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Universitat de Barcelona

1. Carrasco Marginet, Marta. Valoración nutricional de jóvenes nadadoras de natación sincronizada.

Degree: 2015, Universitat de Barcelona

INTRODUCTION: Synchronized swimming is a female, artistic, technical and combinative sport that requires great physical demands of its practitioners. Young swimmers constitute a risk population, especially when competitive goals to be achieved are greater. Currently, both nutritional requirements and dietetic habits assumed by these young female swimmers in the early stages of the elite sport are unknown. AIMS: To characterise the nutritional and hydration status of a group of young elite competitive swimmers. To propose nutritional guidelines for health and improvement of athletic performance in synchronised swimming. METHODS: The study is descriptive and transversal. 49 swimmers have been analysed during a precompetitive period: 34 Comen category (13,9±0,9 years) and 15 Junior category (16,7±0,9 years) swimmers, according to Spanish national sports rules. All the variables analysed (n=108) were classified into the following assessments: nutritional (n=33), somatic (n=31), haematological and biochemical (n=32), bioelectrical (n=6), hydration (n=6). All variables are expressed using basic descriptive statistics (mean, standard deviation, minimum and maximum value). Kappa coefficient and Spearman correlation coefficient have been used to test the inter and intra observer validity and reliability of the dietary recording. T-student test (Hotelling T2 test in bioimpedance vector analysis) for independent samples has been used in the comparisons between both competitive categories, and also for related samples to assess possible differences pre and post-training session. Bivariate correlation has been used to check possible relationships between the behaviour of the bioelectrical vector, weight and the different water compartments. A p-value <0,05 was considered statistically significant. RESULTS: The 24h-7d nutritional recall has resulted valid (Kappa r>0,75; p <0,0001; Spearman r>0,85; p <0,0001) and reliable (Kappa r?0,73; p <0,0001; Spearman r?0,80; p <0,0001), inter and intra subject. In both categories there has been an energy expenditure that exceeds the energy intake (p=0,0001). 85,7% and 60,0% of comen and junior swimmers respectively have recorded carbohydrate intake below 50%. Protein intake has been higher than the recommendations for the general population adjusted at this age (comen: 2,5±0,6 g/kg/day; junior: 2,2±0,4 g/kg/day). All swimmers have been placed under and above 50% in the vegetable and animal proteins intake, respectively. 89,8% of the swimmers has exceeded the 30% of the dietary reference intakes for lipids. None of them has reached the requirements of monounsaturated and polyunsaturated fats and, oppositely, all of them have overcome intake of saturated fats. 15 swimmers registered significantly lower ferritin values, even at ranges between 6 and 8 ng/mL. Bioelectrical and hydration characterisation conducted for both competitive categories resulted in moderate dehydration processes induced by a typical standardised synchronised swimming training session. CONCLUSIONS: Most of the… Advisors/Committee Members: Institut Nacional d'Educació Física de Catalunya (Barcelona), m[email protected] (authoremail), false (authoremailshow), Irurtia Amigó, Alfredo (director), Brotons i Cuixart, Daniel (director), Iglesias i Reig, Xavier, 1965- (tutor), true (authorsendemail).

Subjects/Keywords: Nutrició; Nutrición; Nutrition; Composició corporal; Composición corporal; Body composition; Natació sincronitzada; Natación sincronizada; Synchronized swimming; Hematologia; Hematología; Hematology; Ciències de l'Educació; 79

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APA (6th Edition):

Carrasco Marginet, M. (2015). Valoración nutricional de jóvenes nadadoras de natación sincronizada. (Thesis). Universitat de Barcelona. Retrieved from http://hdl.handle.net/10803/393946

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

Chicago Manual of Style (16th Edition):

Carrasco Marginet, Marta. “Valoración nutricional de jóvenes nadadoras de natación sincronizada.” 2015. Thesis, Universitat de Barcelona. Accessed August 08, 2020. http://hdl.handle.net/10803/393946.

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

MLA Handbook (7th Edition):

Carrasco Marginet, Marta. “Valoración nutricional de jóvenes nadadoras de natación sincronizada.” 2015. Web. 08 Aug 2020.

Vancouver:

Carrasco Marginet M. Valoración nutricional de jóvenes nadadoras de natación sincronizada. [Internet] [Thesis]. Universitat de Barcelona; 2015. [cited 2020 Aug 08]. Available from: http://hdl.handle.net/10803/393946.

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

Council of Science Editors:

Carrasco Marginet M. Valoración nutricional de jóvenes nadadoras de natación sincronizada. [Thesis]. Universitat de Barcelona; 2015. Available from: http://hdl.handle.net/10803/393946

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

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