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The aims of study were to examine the eating behaviors among 26 professional female tennis players and to assess the diu

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Human Kinetics Journals > International Journal of Sport Nutrition and Exercise Metabolism > List of Issues > Volume 25, Issue 3 > Dietary Intake, Eating Be …

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Volume 25 Issue 3, June 2015

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ORIGINAL RESEARCH

Dietary Intake, Eating Behaviors, and Diurnal Patterns of Salivary Cortisol and Alpha-Amylase Secretion Among Professional Young Adult Female Tennis Players .

Authors: Edith Filaire * , Alain Massart * , Jiewen Hua * , Christine Le Scanff *

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*Filaire is with the College of Science and Technology, Orléans University, Orléans, France. Massart is with the Research Centre for Sport and Physical Activity, University of Coimbra, Coimbra, Portugal. Hua and Scanff are with the CIAMS Laboratory, University of Paris-Sud, Orsay, France.

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Address author correspondence to Edith Filaire at [email protected].

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Volume: 25 Issue: 3 Pages: 233-242 https://doi.org/10.1123/ijsnem.2013-0265

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The aims of study were to examine the eating behaviors among 26 professional female tennis players and to assess the diurnal patterns of stress hormones through the measurement of awakening and diurnal profiles of salivary alpha-amylase (sAA) and cortisol concentrations.



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Eating behaviors were assessed through three questionnaires (Eating Attitudes Test-26; Eating Disorders Inventory 2; and Body Shape Questionnaire), food intake by a 7-day diet record, and menstrual status by questionnaire. Perceived stress scale and anxiety state were also evaluated. Saliva samples were collected at awakening, 30 min, 60 min, and 12 hr post awakening after 6-days’ rest.

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Forty-six percent of tennis players presented Disordered Eating attitudes (DE) (n = 12) with a lower body mass index, and higher state anxiety as compared with the group without DE. No differences in the Perceived Stress Scale scores were noted. Mean energy intake, protein and carbohydrates intakes were lower (p > .05) in the DE group as compared with the group without DE. Although in both groups, sAA concentrations presented a decrease in the first 30 min after awakening, and then progressively rose toward the afternoon, DE players exhibited reduced concentrations of the sAA with a decrease in its overall day secretion. Moreover, they showed a higher overall day secretion of salivary cortisol and a higher Cortisol Awakening Response.

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Conclusions:

By Keyword Young adult tennis female food intake disordered eating cortisol awakening response alphaamylase

These results suggest that the activity of the sympathetic nervous system is impaired whereas the cortisol awakening response is enhanced. The long-term consequences of these modifications on health remain to be elucidated. Keywords: Young adult, tennis, female, food intake, disordered eating, cortisol awakening response, alphaamylase

By Author Edith Filaire Alain Massart Jiewen Hua Christine Le Scanff Search in Human Kinetics Journals Google Scholar

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