subject:(Coactivation)

1. Gross, Raphaël. Modulation de l'activité musculaire pendant la marche de l'enfant : vers une modélisation de l'EMG dynamique : Modulation of muscle activity in children’s gait : towards a modelling of dynamic electromyography.

Degree: Docteur es, Biologie-santé, 2017, Brest

URL: http://www.theses.fr/2017BRES0064

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La marche des enfants atteints de paralysie cérébrale est explorée dans des structures appelées laboratoires d’analyse quantifiée du mouvement depuis environ 30 ans. L’interprétation des… (more)

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La marche des enfants atteints de paralysie cérébrale est explorée dans des structures appelées laboratoires d’analyse quantifiée du mouvement depuis environ 30 ans. L’interprétation des données acquises dans ces laboratoires est difficile en raison d’obstacles méthodologiques, statistiques, et parce que la physiologie motrice n’est pas totalement connue. L’étude des signaux électromyographiques, indicateurs des activations musculaires dynamiques, fait l’objet de cette thèse. Nous avons effectué deux séries d’expérimentations aboutissant à quatre études de recherche sur la marche des enfants à développement typique et des enfants atteints de paralysie cérébrale unilatérale. L’effet de la vitesse de marche sur la coactivation musculaire, le lien entre cette coactivation et l’amplitude des mouvements du membre inférieur pendant la marche, les adaptations musculaires lors de la marche en virage, et les spécificités de ces adaptations chez les enfants paralysés cérébraux, ont été successivement étudiées. Ces résultats nous ont permis de préciser le rôle de facteurs physiologiques liés à la commande motrice, tels que la vitesse ou le changement de direction, mais également l’effet de la pathologie sur les activations musculaires observées. Les difficultés métrologiques et statistiques liées aux signaux étudiés ont cependant constitué des obstacles importants à l’interprétation de ces données en termes de contrôle moteur. La réflexion progressive sur ces problèmes méthodologiques a permis le développement par étapes de traitements statistiques spécifiques, parfois innovants, et l’émergence de propositions concernant la métrologie de l’électromyographie dynamique.

Children with cerebral palsy benefit from gait analyses in motion labs for approximately thirty years. The interpretation of the numerous data that can be obtained during such evaluations still remains cautious, because of methodological and statistical reasons, and because of the lack of an exhaustive knowledge regarding the motor control of gait. This Ph D thesis focused on the study of electromyographic signals, which are representative of the dynamic muscle activations during gait. We designed two series of experiments, leading to four studies into the dynamic electromyography during gait in children with unilateral cerebral palsy and their typically developing peers. The effect of gait speed on muscle coactivation, the impact of this coactivation on the range of motion during gait, the muscle adaptations to turning gait, and finally the specificities of these adaptations in children with cerebral palsy were investigated successively. The results of the studies give insight into the role of physiological factors linked to the motor control of gait, such as speed or change of direction, but also into the impact of pathology on the muscle activations, which are the parameters of interest. Some methodological and statistical difficulties, linked to the nature of the signals that are studied, compromise the possibility to interpret the data with respect to…

Advisors/Committee Members: Rémy-Néris, Olivier (thesis director).

Subjects/Keywords: Paralysie cérébrale; Enfant; Hémiplégie; Electromyographie dynamique; Marche; Coactivation; Modélisation; Cerebral Palsy; Children; Hemiparesis; Dynamic Electromyography; Gait; Coactivation; Modeling; 573.7; 616

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Gross, R. (2017). Modulation de l'activité musculaire pendant la marche de l'enfant : vers une modélisation de l'EMG dynamique : Modulation of muscle activity in children’s gait : towards a modelling of dynamic electromyography. (Doctoral Dissertation). Brest. Retrieved from http://www.theses.fr/2017BRES0064

Chicago Manual of Style (16^th Edition):

Gross, Raphaël. “Modulation de l'activité musculaire pendant la marche de l'enfant : vers une modélisation de l'EMG dynamique : Modulation of muscle activity in children’s gait : towards a modelling of dynamic electromyography.” 2017. Doctoral Dissertation, Brest. Accessed February 25, 2021. http://www.theses.fr/2017BRES0064.

MLA Handbook (7^th Edition):

Gross, Raphaël. “Modulation de l'activité musculaire pendant la marche de l'enfant : vers une modélisation de l'EMG dynamique : Modulation of muscle activity in children’s gait : towards a modelling of dynamic electromyography.” 2017. Web. 25 Feb 2021.

Vancouver:

Gross R. Modulation de l'activité musculaire pendant la marche de l'enfant : vers une modélisation de l'EMG dynamique : Modulation of muscle activity in children’s gait : towards a modelling of dynamic electromyography. [Internet] [Doctoral dissertation]. Brest; 2017. [cited 2021 Feb 25]. Available from: http://www.theses.fr/2017BRES0064.

Council of Science Editors:

Gross R. Modulation de l'activité musculaire pendant la marche de l'enfant : vers une modélisation de l'EMG dynamique : Modulation of muscle activity in children’s gait : towards a modelling of dynamic electromyography. [Doctoral Dissertation]. Brest; 2017. Available from: http://www.theses.fr/2017BRES0064

Penn State University

2. Peterson, Daniel S. EFFECTS OF AGE AND SPEED ON COACTIVATION, VARIABILITY, AND JOINT KINETICS DURING WALKING.

Degree: 2008, Penn State University

URL: https://submit-etda.libraries.psu.edu/catalog/8806

► Metabolic cost of walking (Cw), defined as the rate of oxygen consumed during walking per unit distance traveled, has been shown to be greater for… (more)

Subjects/Keywords: Gait; metabolic cost; coactivation; kinetics

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APA (6^th Edition):

Peterson, D. S. (2008). EFFECTS OF AGE AND SPEED ON COACTIVATION, VARIABILITY, AND JOINT KINETICS DURING WALKING. (Thesis). Penn State University. Retrieved from https://submit-etda.libraries.psu.edu/catalog/8806

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Peterson, Daniel S. “EFFECTS OF AGE AND SPEED ON COACTIVATION, VARIABILITY, AND JOINT KINETICS DURING WALKING.” 2008. Thesis, Penn State University. Accessed February 25, 2021. https://submit-etda.libraries.psu.edu/catalog/8806.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Peterson, Daniel S. “EFFECTS OF AGE AND SPEED ON COACTIVATION, VARIABILITY, AND JOINT KINETICS DURING WALKING.” 2008. Web. 25 Feb 2021.

Vancouver:

Peterson DS. EFFECTS OF AGE AND SPEED ON COACTIVATION, VARIABILITY, AND JOINT KINETICS DURING WALKING. [Internet] [Thesis]. Penn State University; 2008. [cited 2021 Feb 25]. Available from: https://submit-etda.libraries.psu.edu/catalog/8806.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Peterson DS. EFFECTS OF AGE AND SPEED ON COACTIVATION, VARIABILITY, AND JOINT KINETICS DURING WALKING. [Thesis]. Penn State University; 2008. Available from: https://submit-etda.libraries.psu.edu/catalog/8806

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

3. Lewendon, Jennifer. Two languages, one mind : how accent and lexical stress modulate bilingual language activation.

Degree: PhD, 2020, Bangor University

URL: https://research.bangor.ac.uk/portal/en/theses/two-languages-one-mind-how-accent-and-lexical-stress-modulate-bilingual-language-activation(280941f3-736d-4a58-8fef-58f93eac05e3).html ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.801325

► Bilingual cross-language activation has been the subject of substantial research over the last two decades. Evidence supporting the idea that when a bilingual processes speech… (more)

▼ Bilingual cross-language activation has been the subject of substantial research over the last two decades. Evidence supporting the idea that when a bilingual processes speech in one language, the other language is actived has been fundamental in shaping our understanding of whether these languages are discrete systems, or represented jointly in an integrated lexicon. A growing body of evidence for bilingual language co-activation has used electrophysiological methods (ERPs) to reveal implicit activation of the native (L1) language in the absence of conscious awareness and behavioural effects. Here, I investigate how two aspects of spoken language phonology, namely accent and lexical stress, influence activation of the native language when highly-proficient bilinguals process second language speech. Furthermore, based on a review of key aspects of recent literature on bilingual language co-activation and phonological processing, I propose that a review of our current understanding of the ERP correlates of phonological mapping may be required. In studies 1 and 2 we explored how accent influences activation of L1 phonological and semantic representations. In Study 1, Welsh-English bilinguals made relatedness decisions on English word pairs, unaware that some concealed a phonological overlap via Welsh translation. We found a facilitatory effect of accent, such that priming between these otherwise unrelated word pairs was facilitated by the presence of a Welsh accent. Results suggest that for these Welsh-English bilinguals, activation of the L1 was elicited by the presence of a Welsh accent. In Study 2, we went on to investigate whether this same facilitatory effect occurred for translation links at the semantic level. German-English bilinguals listened to English sentences produced by a native English or native German speaker that ended in a visually presented target word. In the critical condition, target words that were unexpected in English translated to polysemous German words. The alternate meaning of these words was congruent in the context of the English sentence. We found no effect of accent, nor a difference in responses to correct-via-polysemy targets as compared to a control condition. Results are discussed both in terms of study design and models of bilingual language activation. In studies 3 and 4 we investigated how suprasegmental lexical stress influences L1 activation. Languages that feature stress are generally divided into those in which stress is variable, that is, occuring on any given syllable, or fixed according to certain linguistic rules. This difference in stress systems is thought to affect the mechanisms by which bilinguals process lexical stress. In Study 3 we tested native English and Welsh-English bilingual participants to determine whether the presence of Welsh stress patterns heightened the activation of L1 representations. Our findings were inconclusive. Based on limitations in the design of Study 3, we designed and conducted Study 4, in which we tested how stress influences L1…

Subjects/Keywords: Bilingualism; Cognitive neuroscience; language processing; word recognition; language coactivation

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APA (6^th Edition):

Lewendon, J. (2020). Two languages, one mind : how accent and lexical stress modulate bilingual language activation. (Doctoral Dissertation). Bangor University. Retrieved from https://research.bangor.ac.uk/portal/en/theses/two-languages-one-mind-how-accent-and-lexical-stress-modulate-bilingual-language-activation(280941f3-736d-4a58-8fef-58f93eac05e3).html ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.801325

Chicago Manual of Style (16^th Edition):

Lewendon, Jennifer. “Two languages, one mind : how accent and lexical stress modulate bilingual language activation.” 2020. Doctoral Dissertation, Bangor University. Accessed February 25, 2021. https://research.bangor.ac.uk/portal/en/theses/two-languages-one-mind-how-accent-and-lexical-stress-modulate-bilingual-language-activation(280941f3-736d-4a58-8fef-58f93eac05e3).html ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.801325.

MLA Handbook (7^th Edition):

Lewendon, Jennifer. “Two languages, one mind : how accent and lexical stress modulate bilingual language activation.” 2020. Web. 25 Feb 2021.

Vancouver:

Lewendon J. Two languages, one mind : how accent and lexical stress modulate bilingual language activation. [Internet] [Doctoral dissertation]. Bangor University; 2020. [cited 2021 Feb 25]. Available from: https://research.bangor.ac.uk/portal/en/theses/two-languages-one-mind-how-accent-and-lexical-stress-modulate-bilingual-language-activation(280941f3-736d-4a58-8fef-58f93eac05e3).html ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.801325.

Council of Science Editors:

Lewendon J. Two languages, one mind : how accent and lexical stress modulate bilingual language activation. [Doctoral Dissertation]. Bangor University; 2020. Available from: https://research.bangor.ac.uk/portal/en/theses/two-languages-one-mind-how-accent-and-lexical-stress-modulate-bilingual-language-activation(280941f3-736d-4a58-8fef-58f93eac05e3).html ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.801325

Kyoto University / 京都大学

4. Kitatani, Ryosuke. Descending neural drives to ankle muscles during gait and their relationships with clinical functions in patients after stroke : 脳卒中後片麻痺患者における歩行時の足関節周囲筋に対する下行性入力と臨床的機能指標との関連.

Degree: 博士(人間健康科学), 2016, Kyoto University / 京都大学

URL: http://hdl.handle.net/2433/215466 ; http://dx.doi.org/10.14989/doctor.k19640

新制・課程博士

甲第19640号

人健博第32号

Subjects/Keywords: Coherence; Electromyography; Gait; Stroke; Muscle coactivation

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APA (6^th Edition):

Kitatani, R. (2016). Descending neural drives to ankle muscles during gait and their relationships with clinical functions in patients after stroke : 脳卒中後片麻痺患者における歩行時の足関節周囲筋に対する下行性入力と臨床的機能指標との関連. (Thesis). Kyoto University / 京都大学. Retrieved from http://hdl.handle.net/2433/215466 ; http://dx.doi.org/10.14989/doctor.k19640

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Kitatani, Ryosuke. “Descending neural drives to ankle muscles during gait and their relationships with clinical functions in patients after stroke : 脳卒中後片麻痺患者における歩行時の足関節周囲筋に対する下行性入力と臨床的機能指標との関連.” 2016. Thesis, Kyoto University / 京都大学. Accessed February 25, 2021. http://hdl.handle.net/2433/215466 ; http://dx.doi.org/10.14989/doctor.k19640.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Kitatani, Ryosuke. “Descending neural drives to ankle muscles during gait and their relationships with clinical functions in patients after stroke : 脳卒中後片麻痺患者における歩行時の足関節周囲筋に対する下行性入力と臨床的機能指標との関連.” 2016. Web. 25 Feb 2021.

Vancouver:

Kitatani R. Descending neural drives to ankle muscles during gait and their relationships with clinical functions in patients after stroke : 脳卒中後片麻痺患者における歩行時の足関節周囲筋に対する下行性入力と臨床的機能指標との関連. [Internet] [Thesis]. Kyoto University / 京都大学; 2016. [cited 2021 Feb 25]. Available from: http://hdl.handle.net/2433/215466 ; http://dx.doi.org/10.14989/doctor.k19640.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Kitatani R. Descending neural drives to ankle muscles during gait and their relationships with clinical functions in patients after stroke : 脳卒中後片麻痺患者における歩行時の足関節周囲筋に対する下行性入力と臨床的機能指標との関連. [Thesis]. Kyoto University / 京都大学; 2016. Available from: http://hdl.handle.net/2433/215466 ; http://dx.doi.org/10.14989/doctor.k19640

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Otago

5. Shepherdson, Peter Vivian. Redundancy Gain in Semantic Categorisation .

Degree: 2013, University of Otago

URL: http://hdl.handle.net/10523/3754

► Redundancy gain refers to the common finding in experimental psychology that the presentation of multiple, redundant stimuli tends to evoke responses more quickly and accurately… (more)

▼ Redundancy gain refers to the common finding in experimental psychology that the presentation of multiple, redundant stimuli tends to evoke responses more quickly and accurately when compared to presentation of a single stimulus. Two types of account of such findings are generally offered. First, race models suggest that redundancy gain is a result of statistical facilitation. Second, coactivation models suggest that redundancy gain results from each stimulus making some contribution to the eventual response. Though redundancy gain has primarily been shown in relatively simple tasks (e.g., detection, perceptual discrimination), there have also been efforts to demonstrate comparable phenomena in tasks involving higher-order cognition. One example of this is in the work of Mohr and Pulvermüller in lexical decision tasks (LDTs) using redundant stimuli (e.g., Mohr, Pulvermüller, & Zaidel, 1994; Mohr, Pulvermüller, Rayman, & Zaidel, 1994; Mohr, Pulvermüller, Mittelstädt, & Rayman, 1996; Mohr, Endrass, Hauk, & Pulvermüller, 2007). Those authors explained redundancy gain in LDT on the basis of a cell assembly model of lexical representation (e.g., Pulvermüller & Mohr, 1996; Pulvermüller, 1999). According to this explanation, activity from redundant stimuli sums in the network of cells where the word is neurally represented, leading it to “ignite” more rapidly and effectively — a form of coactivation — which in turn leads to faster and more accurate responses. I sought to determine whether a similar phenomenon would occur in a semantic categorisation task, and whether the same basic model could be used to account for such findings. To investigate this issue, I conducted a series of experiments based on the LDTs used by Mohr and Pulvermüller. In my experiments participants were asked to classify visually-presented lexical stimuli as members or non-members of a pre-specified target category, and make the appropriate (“target present”/“targetabsent”) response. Experiments 1–3 showed that redundancy gain can be demonstrated in a semantic categorisation task, and that this can occur with both lateralised and nonlateralised stimulus presentation. The pattern of results from these experiments was strikingly similar to the results of Mohr et al. (1996): improved performance in redundant trials, and an advantage for stimuli presented in the right visual field over those presented to the left visual field when display was lateralised. I also found redundancy gains and visual field effects for “target-present” but not “target-absent” responses, analogous to findings in LDTs for “word” and “non-word” responses, respectively. Experiment 4 showed that performance in LVF trials does not improve substantially when participants are allowed longer to respond, suggesting that the high error rates in that condition in preceding experiments are likely a result of data rather than resource-limited processing. Experiment 5 showed that visual field effects in target-present trials are absent when stimuli are presented vertically rather than… Advisors/Committee Members: Miller, Jeff (advisor).

Subjects/Keywords: redundancy gain; semantic processing; semantic memory; race model; coactivation; cell assembly; categorisation

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Shepherdson, P. V. (2013). Redundancy Gain in Semantic Categorisation . (Doctoral Dissertation). University of Otago. Retrieved from http://hdl.handle.net/10523/3754

Chicago Manual of Style (16^th Edition):

Shepherdson, Peter Vivian. “Redundancy Gain in Semantic Categorisation .” 2013. Doctoral Dissertation, University of Otago. Accessed February 25, 2021. http://hdl.handle.net/10523/3754.

MLA Handbook (7^th Edition):

Shepherdson, Peter Vivian. “Redundancy Gain in Semantic Categorisation .” 2013. Web. 25 Feb 2021.

Vancouver:

Shepherdson PV. Redundancy Gain in Semantic Categorisation . [Internet] [Doctoral dissertation]. University of Otago; 2013. [cited 2021 Feb 25]. Available from: http://hdl.handle.net/10523/3754.

Council of Science Editors:

Shepherdson PV. Redundancy Gain in Semantic Categorisation . [Doctoral Dissertation]. University of Otago; 2013. Available from: http://hdl.handle.net/10523/3754

Virginia Tech

6. Pardikes, Thomas James. Measuring the Relationship Between Reflexive and Intentional ANS Response.

Degree: MS, Psychology, 2008, Virginia Tech

URL: http://hdl.handle.net/10919/32518

► The dynamic behaviors of a complex organism are explained via voluntary and involuntary action. One underpinning of this system is organized and facilitated by the… (more)

Subjects/Keywords: Autonomic Nervous System; Coactivation; Inhibition; Volition

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Pardikes, T. J. (2008). Measuring the Relationship Between Reflexive and Intentional ANS Response. (Masters Thesis). Virginia Tech. Retrieved from http://hdl.handle.net/10919/32518

Chicago Manual of Style (16^th Edition):

Pardikes, Thomas James. “Measuring the Relationship Between Reflexive and Intentional ANS Response.” 2008. Masters Thesis, Virginia Tech. Accessed February 25, 2021. http://hdl.handle.net/10919/32518.

MLA Handbook (7^th Edition):

Pardikes, Thomas James. “Measuring the Relationship Between Reflexive and Intentional ANS Response.” 2008. Web. 25 Feb 2021.

Vancouver:

Pardikes TJ. Measuring the Relationship Between Reflexive and Intentional ANS Response. [Internet] [Masters thesis]. Virginia Tech; 2008. [cited 2021 Feb 25]. Available from: http://hdl.handle.net/10919/32518.

Council of Science Editors:

Pardikes TJ. Measuring the Relationship Between Reflexive and Intentional ANS Response. [Masters Thesis]. Virginia Tech; 2008. Available from: http://hdl.handle.net/10919/32518

7. Kitatani, Ryosuke. Descending neural drives to ankle muscles during gait and their relationships with clinical functions in patients after stroke .

Degree: 2016, Kyoto University

URL: http://hdl.handle.net/2433/215466

Subjects/Keywords: Coherence; Electromyography; Gait; Stroke; Muscle coactivation

Record Details Similar Records Cite « Share

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Kitatani, R. (2016). Descending neural drives to ankle muscles during gait and their relationships with clinical functions in patients after stroke . (Thesis). Kyoto University. Retrieved from http://hdl.handle.net/2433/215466

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Kitatani, Ryosuke. “Descending neural drives to ankle muscles during gait and their relationships with clinical functions in patients after stroke .” 2016. Thesis, Kyoto University. Accessed February 25, 2021. http://hdl.handle.net/2433/215466.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Kitatani, Ryosuke. “Descending neural drives to ankle muscles during gait and their relationships with clinical functions in patients after stroke .” 2016. Web. 25 Feb 2021.

Vancouver:

Kitatani R. Descending neural drives to ankle muscles during gait and their relationships with clinical functions in patients after stroke . [Internet] [Thesis]. Kyoto University; 2016. [cited 2021 Feb 25]. Available from: http://hdl.handle.net/2433/215466.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Kitatani R. Descending neural drives to ankle muscles during gait and their relationships with clinical functions in patients after stroke . [Thesis]. Kyoto University; 2016. Available from: http://hdl.handle.net/2433/215466

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

East Carolina University

8. Brady, Robert B. Influence of training history and contraction velocity on hamstring muscle coactivation during maximal effort knee extension.

Degree: MS, Exercise and Sports Science, 2012, East Carolina University

URL: http://hdl.handle.net/10342/3949

► When a muscle produces voluntary force, muscles on the opposite side of the joint, the antagonists, are also activated. While coactivation of the knee flexors… (more)

▼ When a muscle produces voluntary force, muscles on the opposite side of the joint, the antagonists, are also activated. While coactivation of the knee flexors during knee extension is presumed to increase joint stability by decreasing anterior shear force of the tibia on the femur, the coactivation of the hamstrings also produces what is called the antagonist torque. Systematic exercise in the form of resistance training can reduce antagonist muscle coactivation in healthy young adults. However, the mechanical consequence of this neurological adaptation is unclear. We thus hypothesized that previously strength-trained individuals would exhibit less antagonist coactivation, resulting in a reduced antagonist torque, and that with an increase in contraction speed there would be an increase in antagonist coactivation to slow the movement but there would be less of an increase due to speed in the trained compared with untrained individuals. Therefore, the purpose of this study was to determine the effects of training status on coactivation, i.e., antagonist torque, and on the speed-sensitivity of coactivation. Subjects for this study were fitted with surface EMG electrodes on their thigh muscles, and performed maximal effort knee extensions on a dynamometer, using shortening (concentric) and lengthening (eccentric) contractions at 30, 90, and 150Â°/s. As expected, trained individuals produced ~44% less coactivation at all contractions speeds. Against the hypothesis, coactivation did not increase in either group as velocity increased, as there was less than 10% difference in coactivation levels between the 3 speeds. Also against the hypothesis, as determined with an EMG-driven mathematical model, antagonist torque did not decrease with decreasing coactivation; in fact we see a trend towards the opposite for trained individuals. A borderline greater antagonist torque was noted in the trained compared to the untrained subjects even with decreased coactivation of the trained. These data suggest that antagonist muscle coactivation is less in trained healthy young adults but this reduced neural activation does not manifest itself in lower levels of antagonist torque. Therefore, leg strength training may increase muscle strength in part by reducing antagonist muscle coactivation without compromising joint stability.Â Â Advisors/Committee Members: HortobÃ¡gyi, Tibor (advisor).

Subjects/Keywords: Coactivation; Co-contraction; Electromyography; Torque; Trained; Exercise – Physiological aspects; Physical education and training; Knee – Muscles; Muscle contraction; Biomechanics; Kinesiology

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APA (6^th Edition):

Brady, R. B. (2012). Influence of training history and contraction velocity on hamstring muscle coactivation during maximal effort knee extension. (Masters Thesis). East Carolina University. Retrieved from http://hdl.handle.net/10342/3949

Chicago Manual of Style (16^th Edition):

Brady, Robert B. “Influence of training history and contraction velocity on hamstring muscle coactivation during maximal effort knee extension.” 2012. Masters Thesis, East Carolina University. Accessed February 25, 2021. http://hdl.handle.net/10342/3949.

MLA Handbook (7^th Edition):

Brady, Robert B. “Influence of training history and contraction velocity on hamstring muscle coactivation during maximal effort knee extension.” 2012. Web. 25 Feb 2021.

Vancouver:

Brady RB. Influence of training history and contraction velocity on hamstring muscle coactivation during maximal effort knee extension. [Internet] [Masters thesis]. East Carolina University; 2012. [cited 2021 Feb 25]. Available from: http://hdl.handle.net/10342/3949.

Council of Science Editors:

Brady RB. Influence of training history and contraction velocity on hamstring muscle coactivation during maximal effort knee extension. [Masters Thesis]. East Carolina University; 2012. Available from: http://hdl.handle.net/10342/3949

RMIT University

9. Siddiqi, A. Relative contributions of neuromuscular factors to muscle strength decline with age.

Degree: 2016, RMIT University

URL: http://researchbank.rmit.edu.au/view/rmit:161767

► Aging is associated with numerous changes in the human body. One of the most prominent alterations is in the decline of neuromuscular function leading to… (more)

▼ Aging is associated with numerous changes in the human body. One of the most prominent alterations is in the decline of neuromuscular function leading to loss of muscle strength. Muscular weakness in the lower limb muscles is a risk factor for falls in the elderly, with the Tibialis Anterior (TA) playing a pivotal role. This loss in strength has been identified as being due to several age-associated neuromuscular alterations. These alterations can be unique for each muscle, depending on their functional role and composition. Nonetheless, the individual contributions of the altered neuromuscular properties to muscle strength decline remain unclear. A need to delineate these influences has been identified in order to provide a more targeted strength preservation strategy for the elderly. This thesis has investigated the relative influence of neuromuscular properties on age-associated muscle strength decline in the Tibialis Anterior using a new improved computational surface electromyogram (sEMG) and muscle force model. It has further used this model to estimate the neuromuscular properties and expected strength loss in the older cohorts from the age-associated sEMG changes. It has also investigated the inhomogeneous aging of the Triceps Surae (TS) in comparison to the Tibialis Anterior using sEMG. A series of experiments were performed with healthy young cohorts (age range: 20-30 years) and older cohorts (age range: 60-85 years). They performed isometric dorsi- and plantarflexion of the ankle at six fractions of their maximal voluntary contraction (MVC), and their exerted force and sEMG from the TA and TS muscles was recorded. The power spectrum (PSD) and bispectrum of the sEMG was computed for each participant. This study has found significant age-associated changes in the sEMG’s PSD, and Gaussianity where older cohorts had higher maximal power and increased non-Gaussianity of their sEMG. These changes were attributable to the age-associated physiological motor unit remodelling reported in literature. This study has also found the TA to have significantly higher age-associated increase in the maximal power of the PSD in comparison to TS. Within the Triceps Surae complex, the Soleus and Lateral Gastrocnemius were not significantly affected in comparison to Medial Gastrocnemius. These differential changes were considered to be due to different fibre composition, and rates of age-associated neuromuscular changes. The simulation studies performed with the sEMG model found the firing rate as the most influential property, followed by muscular factors. The model was also able to estimate the aging condition that described the older cohorts of this study. The older cohorts’ TA were characterised to have moderate motor unit remodelling which corresponded to a 40% loss of motor units with half the number of fast fibres. This study highlights that firing rate is the most influential property regulating muscle strength. It also establishes that moderate motor unit remodelling in the TA may not be…

Subjects/Keywords: Fields of Research; Surface electromyogram; Computational model; Tibialis anterior; Triceps surae; Neuromuscular strength; Aging; Higher order statistics; Power spectrum; Coactivation; Gaussianity; Muscle force; Dorsiflexion; Plantarflexion

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Siddiqi, A. (2016). Relative contributions of neuromuscular factors to muscle strength decline with age. (Thesis). RMIT University. Retrieved from http://researchbank.rmit.edu.au/view/rmit:161767

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Siddiqi, A. “Relative contributions of neuromuscular factors to muscle strength decline with age.” 2016. Thesis, RMIT University. Accessed February 25, 2021. http://researchbank.rmit.edu.au/view/rmit:161767.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Siddiqi, A. “Relative contributions of neuromuscular factors to muscle strength decline with age.” 2016. Web. 25 Feb 2021.

Vancouver:

Siddiqi A. Relative contributions of neuromuscular factors to muscle strength decline with age. [Internet] [Thesis]. RMIT University; 2016. [cited 2021 Feb 25]. Available from: http://researchbank.rmit.edu.au/view/rmit:161767.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Siddiqi A. Relative contributions of neuromuscular factors to muscle strength decline with age. [Thesis]. RMIT University; 2016. Available from: http://researchbank.rmit.edu.au/view/rmit:161767

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Texas – Austin

10. Newstead, Ann Hamilton. Coactivation in sedentary and active older adults during maximal power and submaximal power tasks : activity-related differences.

Degree: PhD, Kinesiology, 2010, University of Texas – Austin

URL: http://hdl.handle.net/2152/ETD-UT-2010-05-1523

► As adults age, they lose the ability to produce maximal power and speed of movement. Success in daily living is often dependent upon power and… (more)

▼ As adults age, they lose the ability to produce maximal power and speed of movement. Success in daily living is often dependent upon power and speed. Thus these age-related decrements in performance can reduce physical independence and quality of life. An active lifestyle in older adulthood is associated with more successful aging. The purpose of this research program was to define the link between habitual activity and performance, specifically in regard to activities requiring power and speed. The hypothesis was that active older adults, compared to sedentary older adults, would be characterized by greater power production in maximal- and submaximal-effort tasks. Grouping older adults by activity level, coactivation was associated with activity level. Functional tasks are performed with a range of power requirements. Coactivation was used to distinguish groups in a maximal power task (Study 1) and submaximal power tasks (Study 2). In Study 1, the young adults demonstrated a greater maximal power than the older adults. While maximal power was not different between the older active and sedentary groups, the groups did differ on how they created maximal power. The active older adults produced a greater coactivation in the lower leg muscles compared to the older sedentary adults. In Study 2, the active older adults responded to different speeds during a submaximal power task with greater coactivation in the muscles of the lower leg at slow speeds compared with the sedentary older adults. Both older adults groups increased coactivation in the thigh muscles at high speeds. The sedentary older adults responded to speed with increased coactivation in the lower leg at fast speeds. The active older adults increased proximal thigh coactivation, EMG index, at the fastest speed compared with the sedentary older adults. Both older adult groups showed muscle activation adaptation to the change in task demands. The results of this dissertation increase our understanding about the link between physical activity and performance. Age-related differences in coactivation were observed during both maximal and submaximal tasks. Activity-related differences were observed suggesting the active older adults have a greater capability to adjust muscle activity to meet the challenges of community living. Advisors/Committee Members: Jensen, Jody L. (advisor), Abraham, Lawrence D. (committee member), Dingwell, Jonathan B. (committee member), Korff, Thomas (committee member), Shewokis, Patricia A. (committee member), Spirduso, Waneen W. (committee member).

Subjects/Keywords: Aging; Physical activity; Coactivation; POWER; Functional principal component analysis; Functional data analysis

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Newstead, A. H. (2010). Coactivation in sedentary and active older adults during maximal power and submaximal power tasks : activity-related differences. (Doctoral Dissertation). University of Texas – Austin. Retrieved from http://hdl.handle.net/2152/ETD-UT-2010-05-1523

Chicago Manual of Style (16^th Edition):

Newstead, Ann Hamilton. “Coactivation in sedentary and active older adults during maximal power and submaximal power tasks : activity-related differences.” 2010. Doctoral Dissertation, University of Texas – Austin. Accessed February 25, 2021. http://hdl.handle.net/2152/ETD-UT-2010-05-1523.

MLA Handbook (7^th Edition):

Newstead, Ann Hamilton. “Coactivation in sedentary and active older adults during maximal power and submaximal power tasks : activity-related differences.” 2010. Web. 25 Feb 2021.

Vancouver:

Newstead AH. Coactivation in sedentary and active older adults during maximal power and submaximal power tasks : activity-related differences. [Internet] [Doctoral dissertation]. University of Texas – Austin; 2010. [cited 2021 Feb 25]. Available from: http://hdl.handle.net/2152/ETD-UT-2010-05-1523.

Council of Science Editors:

Newstead AH. Coactivation in sedentary and active older adults during maximal power and submaximal power tasks : activity-related differences. [Doctoral Dissertation]. University of Texas – Austin; 2010. Available from: http://hdl.handle.net/2152/ETD-UT-2010-05-1523

11. Hartman, Erica L. Mechanisms of Slowed Foot Tap Speed in Older Adults.

Degree: University of Massachusetts

URL: https://scholarworks.umass.edu/masters_theses_2/349

► Rapid repetitive tapping, like the Foot Tap Test (FTT), slows with age, but the underlying mechanisms are unknown. Purpose: 1. Test the hypotheses that… (more)

Subjects/Keywords: dorsiflexor; older; foot tap; coactivation; rate of force development; mobility function; Exercise Science

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Hartman, E. L. (n.d.). Mechanisms of Slowed Foot Tap Speed in Older Adults. (Thesis). University of Massachusetts. Retrieved from https://scholarworks.umass.edu/masters_theses_2/349

Note: this citation may be lacking information needed for this citation format:
No year of publication.
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Hartman, Erica L. “Mechanisms of Slowed Foot Tap Speed in Older Adults.” Thesis, University of Massachusetts. Accessed February 25, 2021. https://scholarworks.umass.edu/masters_theses_2/349.

Note: this citation may be lacking information needed for this citation format:
No year of publication.
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Hartman, Erica L. “Mechanisms of Slowed Foot Tap Speed in Older Adults.” Web. 25 Feb 2021.

Note: this citation may be lacking information needed for this citation format:
No year of publication.

Vancouver:

Hartman EL. Mechanisms of Slowed Foot Tap Speed in Older Adults. [Internet] [Thesis]. University of Massachusetts; [cited 2021 Feb 25]. Available from: https://scholarworks.umass.edu/masters_theses_2/349.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
No year of publication.

Council of Science Editors:

Hartman EL. Mechanisms of Slowed Foot Tap Speed in Older Adults. [Thesis]. University of Massachusetts; Available from: https://scholarworks.umass.edu/masters_theses_2/349

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
No year of publication.

University of St. Andrews

12. Innes, Bobby Richard. Targeting benefits and interactions in multisensory processing : a novel modelling framework for exploring the redundant signal effect .

Degree: 2019, University of St. Andrews

URL: http://hdl.handle.net/10023/17968

► An overarching goal of multisensory research is to understand the rules by which multiple sensory signals are combined to produce behavioural benefits. One example of… (more)

▼ An overarching goal of multisensory research is to understand the rules by which multiple sensory signals are combined to produce behavioural benefits. One example of a multisensory benefit is that response times (RTs) to multisensory signals are faster than RTs to either component unisensory signal (the redundant signal effect). In contrast to other areas of multisensory research, a common explanatory model framework (and thus the basic combination rule) has yet to emerge for multisensory RT benefits. One key reason for this lack of progress would seem to be that additional processing interactions are infrequently quantified, and are rarely incorporated into a formal model of RTs. In this thesis, I assess the ability of a previously-neglected model class – so called race models – to account for both benefits and interactions. To do so, I develop and apply a comparative approach to RT analysis. This approach tests different experimental factors which attempt target sources of benefits and interactions. The effect of these manipulations is compared across 3 key analytical steps. First, the size of the multisensory benefit (i.e. the redundant signal effect) is computed, and compared to the basic prediction of the race model combination rule. Second, indicators of processing interactions beyond the basic combination rule are quantified. Third, a formal race model is applied to explain benefits and processing interactions. By consistently applying this comparative approach, I demonstrate that the race model framework offers a simple yet powerful account of multisensory benefits across participants. This suggests a basic combination rule for multisensory RT benefits. In addition, a new interpretation of interactions emerges by applying a race model framework, which highlights an important role of context. This approach suggests a common foundation for future studies of multisensory RTs, which can implement the same analytical steps within a wide range of experimental contexts. Advisors/Committee Members: Otto, Thomas (advisor).

Subjects/Keywords: Reaction times; Multimodal integration; Perceptual decision-making; Probability summation; Redundancy gain; Context independence; Logic gates; Serial dependence; Miller's inequality; Interactive race model; Coactivation model

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Innes, B. R. (2019). Targeting benefits and interactions in multisensory processing : a novel modelling framework for exploring the redundant signal effect . (Thesis). University of St. Andrews. Retrieved from http://hdl.handle.net/10023/17968

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Innes, Bobby Richard. “Targeting benefits and interactions in multisensory processing : a novel modelling framework for exploring the redundant signal effect .” 2019. Thesis, University of St. Andrews. Accessed February 25, 2021. http://hdl.handle.net/10023/17968.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Innes, Bobby Richard. “Targeting benefits and interactions in multisensory processing : a novel modelling framework for exploring the redundant signal effect .” 2019. Web. 25 Feb 2021.

Vancouver:

Innes BR. Targeting benefits and interactions in multisensory processing : a novel modelling framework for exploring the redundant signal effect . [Internet] [Thesis]. University of St. Andrews; 2019. [cited 2021 Feb 25]. Available from: http://hdl.handle.net/10023/17968.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Innes BR. Targeting benefits and interactions in multisensory processing : a novel modelling framework for exploring the redundant signal effect . [Thesis]. University of St. Andrews; 2019. Available from: http://hdl.handle.net/10023/17968

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Université de Montréal

13. Engmann, Sonja. Redundancy gain : manifestations, causes and predictions.

Degree: 2010, Université de Montréal

URL: http://hdl.handle.net/1866/3449

Subjects/Keywords: Gain de redondance; Coactivation; Analyse des distributions de temps de reponse; Redundancy gain; RTE; Analysis of response time distributions; Coactivation; Psychology - Cognitive / Psychologie cognitive (UMI : 0633)

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Engmann, S. (2010). Redundancy gain : manifestations, causes and predictions. (Thesis). Université de Montréal. Retrieved from http://hdl.handle.net/1866/3449

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Engmann, Sonja. “Redundancy gain : manifestations, causes and predictions.” 2010. Thesis, Université de Montréal. Accessed February 25, 2021. http://hdl.handle.net/1866/3449.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Engmann, Sonja. “Redundancy gain : manifestations, causes and predictions.” 2010. Web. 25 Feb 2021.

Vancouver:

Engmann S. Redundancy gain : manifestations, causes and predictions. [Internet] [Thesis]. Université de Montréal; 2010. [cited 2021 Feb 25]. Available from: http://hdl.handle.net/1866/3449.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Engmann S. Redundancy gain : manifestations, causes and predictions. [Thesis]. Université de Montréal; 2010. Available from: http://hdl.handle.net/1866/3449

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

14. [No author]. Dynamic processing of sequential emotional trajectories .

Degree: 2017, Washington State University

URL: http://hdl.handle.net/2376/13004

► This dissertation had two goals. First, to examine the deactivation patterns of the appetitive and aversive motivational systems and the effects such deactivation had on… (more)

Subjects/Keywords: Mass communication; Communication; information processing; motivational deactivation; Motivational system; psychophysiology; resource allocation; sequential coactivation

…are two potential types of coactivation. One occurs when both systems are activated at the… …same time— simultaneous coactivation— and the other occurs when both systems are activated in… …sequence— sequential coactivation. A host of research projects have studied single motivational… …activation and simultaneous coactivation, but very little has been done to explore sequential… …coactivation. This study aims to explore how changes in the sequence of motivational activation…

11 more images…

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APA (6^th Edition):

author], [. (2017). Dynamic processing of sequential emotional trajectories . (Thesis). Washington State University. Retrieved from http://hdl.handle.net/2376/13004

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

author], [No. “Dynamic processing of sequential emotional trajectories .” 2017. Thesis, Washington State University. Accessed February 25, 2021. http://hdl.handle.net/2376/13004.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

author], [No. “Dynamic processing of sequential emotional trajectories .” 2017. Web. 25 Feb 2021.

Vancouver:

author] [. Dynamic processing of sequential emotional trajectories . [Internet] [Thesis]. Washington State University; 2017. [cited 2021 Feb 25]. Available from: http://hdl.handle.net/2376/13004.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

author] [. Dynamic processing of sequential emotional trajectories . [Thesis]. Washington State University; 2017. Available from: http://hdl.handle.net/2376/13004

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Georgia Tech

15. Keifer, Orion Paul, Jr. Redundancy gain: correlations across s sensory modalities from a neurologically normal population.

Degree: MS, Psychology, 2009, Georgia Tech

URL: http://hdl.handle.net/1853/31658

► One of the most basic reaction time experiments employed by psychologists is the comparison of latencies to responses for single and redundant targets. The general… (more)

Subjects/Keywords: Auditory; Visual; Multimodal; Coactivation model; Redundancy gain; Race model; Reaction time; Human information processing

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Keifer, Orion Paul, J. (2009). Redundancy gain: correlations across s sensory modalities from a neurologically normal population. (Masters Thesis). Georgia Tech. Retrieved from http://hdl.handle.net/1853/31658

Chicago Manual of Style (16^th Edition):

Keifer, Orion Paul, Jr. “Redundancy gain: correlations across s sensory modalities from a neurologically normal population.” 2009. Masters Thesis, Georgia Tech. Accessed February 25, 2021. http://hdl.handle.net/1853/31658.

MLA Handbook (7^th Edition):

Keifer, Orion Paul, Jr. “Redundancy gain: correlations across s sensory modalities from a neurologically normal population.” 2009. Web. 25 Feb 2021.

Vancouver:

Keifer, Orion Paul J. Redundancy gain: correlations across s sensory modalities from a neurologically normal population. [Internet] [Masters thesis]. Georgia Tech; 2009. [cited 2021 Feb 25]. Available from: http://hdl.handle.net/1853/31658.

Council of Science Editors:

Keifer, Orion Paul J. Redundancy gain: correlations across s sensory modalities from a neurologically normal population. [Masters Thesis]. Georgia Tech; 2009. Available from: http://hdl.handle.net/1853/31658

Aristotle University Of Thessaloniki (AUTH); Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ)

16. Milosis, Dimitrios. Ειδικές εργαστηριακές μετρήσεις δύναμης για τους καμπτήρες και εκτείνοντες μυς των ώμων στο άθλημα της ενόργανης γυμναστικής.

Degree: 2018, Aristotle University Of Thessaloniki (AUTH); Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ)

URL: http://hdl.handle.net/10442/hedi/44161

► The extensive review of the literature revealed a research gap in evaluating the isometric and isokinetic torque and electromyographic (EMG) activity of shoulder’s flexor and… (more)

▼ The extensive review of the literature revealed a research gap in evaluating the isometric and isokinetic torque and electromyographic (EMG) activity of shoulder’s flexor and extensor muscles in movements adapted to the gymnastics. The aim of the present study was to examine the reliability and the validity of new and original specific laboratory strength measurements of the shoulders' flexor and extensor muscles, when activating both arms simultaneously with the elbows fully extended. Specifically, the study examined isometric and isokinetic torque, conventional (flexors/extensors) and functional (eccentric/concentric) muscles’ strength ratios, EMG activity, neuromuscular efficiency (torque/HMG ratio, NME) and antagonist/agonist co-activation ratio (MCA) of the flexors and extensors of the shoulder joint. In addition, it evaluated the performance on selected gymnastics skills and its relationship to the strength parameters tested in the laboratory. Fifteen high competitive male gymnasts (GYM) and eighteen physical education students (PE) participated voluntarily in the study (age: 19.37 ± 2.27 and 21.27 ± 2.41 years, respectively). To verify the reliability of peak torque (PT) measurements, two identical measurements with one week interval were assessed using the isokinetic Humac Norm 770 dynamometer at three angles (45º, 90º, and 135º) for isometric and at three angular velocities (60º/s, 180º/s, and 300º/s) for isokinetic concentric and eccentric action modes. All isokinetic measurements were conducted in a range of motion of 10º to 180º (anatomical position in 0º, with the arms by the sides of the body and palms facing forward), in supine position, bilaterally, with the elbows fully extended. During isometric and isokinetic torque measurements, the EMG activity of the muscles: anterior deltoid, clavicular head of the pectoralis major and biceps brachil (flexors) and posterior deltoid, latissimus dorsi and long head of the triceps brachil (extensors) was measured at the same time in the Biopac ΜP100 electromyography system. The relative and absolute reliability of isometric and isokinetic dynamometer measurements was supported by the ICC, SEM, SEMe, CV and Bland-Altman analyses. From the examination of the relations between the strength parameters and the performance in the gymnastics skills, the internal and external validity of the measurements was supported. From multivariate analyses of variance (MANOVAs) and multivariate analyses of covariance (MANCOVAs), with physical characteristics and somatometric parameters as covariates, statistically significant higher PT values were obtained for GYM athletes compared to PE students for all variables tested (with some exceptions in which the covariate was the cross-section area of the right arm). On the other hand, statistically significant differences in shoulders F/E ratios (conventional and functional) were not observed. From the results of EMG analyses it appeared that GYM athletes compared to PE students tended to have higher NME values and lower MCA…

Subjects/Keywords: Αξιοπιστία και εγκυρότητα μετρήσεων; Κορύφωση ροπής; Ισοκινητική δυναμομέτρηση; Αναλογία καμπτήρων/εκτεινόντων; Ηλεκτρομυογραφία; Νευρομυϊκή αποδοτικότητα; Συνενεργοποίηση μυών; Άρθρωση ώμων; Δεξιότητες ενόργανης γυμναστικής; Reliability and validity of measurements; Peak torque; Isokinetic dynamometry; Flexor/εxtensor ratios; Electromyography; Neuromuscular efficiency; Muscles coactivation; Shoulder joint; Gymnastics skills

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Milosis, D. (2018). Ειδικές εργαστηριακές μετρήσεις δύναμης για τους καμπτήρες και εκτείνοντες μυς των ώμων στο άθλημα της ενόργανης γυμναστικής. (Thesis). Aristotle University Of Thessaloniki (AUTH); Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ). Retrieved from http://hdl.handle.net/10442/hedi/44161

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Milosis, Dimitrios. “Ειδικές εργαστηριακές μετρήσεις δύναμης για τους καμπτήρες και εκτείνοντες μυς των ώμων στο άθλημα της ενόργανης γυμναστικής.” 2018. Thesis, Aristotle University Of Thessaloniki (AUTH); Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ). Accessed February 25, 2021. http://hdl.handle.net/10442/hedi/44161.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Milosis, Dimitrios. “Ειδικές εργαστηριακές μετρήσεις δύναμης για τους καμπτήρες και εκτείνοντες μυς των ώμων στο άθλημα της ενόργανης γυμναστικής.” 2018. Web. 25 Feb 2021.

Vancouver:

Milosis D. Ειδικές εργαστηριακές μετρήσεις δύναμης για τους καμπτήρες και εκτείνοντες μυς των ώμων στο άθλημα της ενόργανης γυμναστικής. [Internet] [Thesis]. Aristotle University Of Thessaloniki (AUTH); Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ); 2018. [cited 2021 Feb 25]. Available from: http://hdl.handle.net/10442/hedi/44161.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Milosis D. Ειδικές εργαστηριακές μετρήσεις δύναμης για τους καμπτήρες και εκτείνοντες μυς των ώμων στο άθλημα της ενόργανης γυμναστικής. [Thesis]. Aristotle University Of Thessaloniki (AUTH); Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ); 2018. Available from: http://hdl.handle.net/10442/hedi/44161

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

17. 井川, 達也. 高齢者の歩行・階段昇降動作時の主動作筋・拮抗筋筋活動についての検討 : Examination of agonist-antagonist muscular activation during gait, and stair ascent and descent with elderly adults.

Degree: 博士(保健医療学), 2013, International University of Health and Welfare / 国際医療福祉大学

URL: http://id.nii.ac.jp/1065/00000321/

平成24年度

Subjects/Keywords: 主働筋-拮抗筋同時活動; 動作解析; 筋力トレーニング; agonist-antagonist muscular coactivation; motion analysis; muscular strength exercise

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APA (6^th Edition):

井川, �. (2013). 高齢者の歩行・階段昇降動作時の主動作筋・拮抗筋筋活動についての検討 : Examination of agonist-antagonist muscular activation during gait, and stair ascent and descent with elderly adults. (Thesis). International University of Health and Welfare / 国際医療福祉大学. Retrieved from http://id.nii.ac.jp/1065/00000321/

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

井川, 達也. “高齢者の歩行・階段昇降動作時の主動作筋・拮抗筋筋活動についての検討 : Examination of agonist-antagonist muscular activation during gait, and stair ascent and descent with elderly adults.” 2013. Thesis, International University of Health and Welfare / 国際医療福祉大学. Accessed February 25, 2021. http://id.nii.ac.jp/1065/00000321/.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

井川, 達也. “高齢者の歩行・階段昇降動作時の主動作筋・拮抗筋筋活動についての検討 : Examination of agonist-antagonist muscular activation during gait, and stair ascent and descent with elderly adults.” 2013. Web. 25 Feb 2021.

Vancouver:

井川 �. 高齢者の歩行・階段昇降動作時の主動作筋・拮抗筋筋活動についての検討 : Examination of agonist-antagonist muscular activation during gait, and stair ascent and descent with elderly adults. [Internet] [Thesis]. International University of Health and Welfare / 国際医療福祉大学; 2013. [cited 2021 Feb 25]. Available from: http://id.nii.ac.jp/1065/00000321/.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

井川 �. 高齢者の歩行・階段昇降動作時の主動作筋・拮抗筋筋活動についての検討 : Examination of agonist-antagonist muscular activation during gait, and stair ascent and descent with elderly adults. [Thesis]. International University of Health and Welfare / 国際医療福祉大学; 2013. Available from: http://id.nii.ac.jp/1065/00000321/

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

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Open Access Theses and Dissertations