Erik Sesbreno, Christine Dziedzic, Denis P Blondin, Cory Kennedy, Jennifer Sygo, François Haman, Johnathan Deslauriers, Anne-Sophie Brazeau, Margo Mountjoy
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The association between the risk of relative energy deficiency in sports and performance outcomes: A real-world examination of international elite volleyball male athletes.
Background: Relative Energy Deficiency in Sports (REDs) has been reported in Olympic-level male athletes, but the impacts of REDs on performance is unclear. This study explored the association between international elite level volleyball male athletes at risk of REDs and countermovement jump (CMJ) and cognitive performance in real-world setting.
Methods: Using a cross-sectional design, 22 male athletes from a national indoor volleyball program were assessed for medical history, resting metabolic rate, dual energy x-ray absorptiometry assessment of body composition, hematological analysis, 4-day dietary intake, restrained eating behaviour via three-factor eating questionnaire - R18, Victorian Institute of Sport Assessment questionnaire - patellar tendon, CMJ and cognitive performance with the Stroop test. Being at risk of REDs was associated with poorer jump performance (mean power, velocity and jump height) and not Stroop test outcomes (p ≤ 0.05).
Results: Being at risk of REDs was associated with poorer jump performance (mean power, velocity and jump height) and not Stroop test outcomes (p ≤ 0.05).
Conclusion: Future work should characterize the effects of REDs on neuromuscular performance in international elite level team-based male athletes.
期刊介绍：
The Journal of Sports Sciences has an international reputation for publishing articles of a high standard and is both Medline and Clarivate Analytics-listed. It publishes research on various aspects of the sports and exercise sciences, including anatomy, biochemistry, biomechanics, performance analysis, physiology, psychology, sports medicine and health, as well as coaching and talent identification, kinanthropometry and other interdisciplinary perspectives.
The emphasis of the Journal is on the human sciences, broadly defined and applied to sport and exercise. Besides experimental work in human responses to exercise, the subjects covered will include human responses to technologies such as the design of sports equipment and playing facilities, research in training, selection, performance prediction or modification, and stress reduction or manifestation. Manuscripts considered for publication include those dealing with original investigations of exercise, validation of technological innovations in sport or comprehensive reviews of topics relevant to the scientific study of sport.
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