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Article Dans Une Revue European Journal of Sport Science Année : 2020

Rapid weight loss influences the physical, psychological and biological responses during a simulated competition in national judo athletes

Résumé

The effect of rapid energy restriction-induced weight loss on judo-related performance remains unclear, and there is a paucity of information regarding the influence of the fight successions during competition. Thus, the aim of this study was to compare the cumulative effect of judo fights on physical performance, biological and psychological profiles, of national judo competitors with vs without rapid weight loss. After one month of weight maintenance (Baseline), 20 subjects were randomly divided into two groups the week before a simulated competition: (i) a Weight Loss group (WL; weight loss ≥ 3% of body mass); (ii) a Weight Stable group (WS). The simulated competition was composed of five fights (F1 to F5) separated by 30 min rest. Anthropometric assessments were performed at baseline and on the morning of the simulated competition (T0). Psychological, biological and physical assessments (maximal handgrip strength, upper limb anaerobic capacity) were performed at T0 and after each fight. The variation of body mass between baseline and T0 was significantly different between groups (+1.2% vs -3%; p < .01). The dimensions of the Profile of Mood State questionnaire, the rate of perceived exertion, ammonia, urea and free fatty acid concentrations, maximal strength and time sustained at maximal strength showed a significant group x time interaction at F4 and F5. The study shows that cumulative fights lead to uncoupled responses in physical, psychological and biological parameters in judo competitors who underwent or not rapid weight loss. Specific recovery strategies in terms of nutrition and active recovery should be considered.
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Dates et versions

hal-03011597 , version 1 (18-11-2020)

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Laurie Isacco, Fabrice Degoutte, Gaël Ennequin, Bruno Pereira, David Thivel, et al.. Rapid weight loss influences the physical, psychological and biological responses during a simulated competition in national judo athletes. European Journal of Sport Science, 2020, 20 (5), pp.580-591. ⟨10.1080/17461391.2019.1657503⟩. ⟨hal-03011597⟩
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