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Article Dans Une Revue International Journal of Sports Physiology and Performance Année : 2017

Concurrent Training in Rugby Sevens: Effects of High-Intensity Interval Exercises

Résumé

Purpose: To assess the impact of 2 high-intensity interval-training (HIT) programs (short interval vs sprint interval training) on muscle strength and aerobic performances in a concurrent training program in amateur rugby sevens players. Methods: Thirty-six amateur rugby sevens players were randomly assigned to strength and short interval training (INT), strength and sprint interval training (SIT), or a strength-only training group (CON) during an 8-wk period. Maximal strength and power tests, aerobic measurements (peak oxygen uptake [VO 2 peak] and maximal aerobic velocity), and a specific repeated-sprint ability (RSA) test were conducted before and immediately after the overall training period. Results: From magnitude-based inference and effect size (ES ± 90% confidence limit) analyses, the current study revealed substantial gains in maximal strength and jump-height performance in all groups. The difference in change of slow concentric torque production was greater in CON than in SIT (0.65 ± 0.72, moderate). VO 2 peak and, consequently, mean performance in the RSA test were improved in the SIT group only (0.64 ± 0.29, moderate; –0.54 ± 0.35, moderate). Conclusions: The study did not emphasize interference on strength development after INT but showed a slight impairment of slow concentric torque production gains after SIT. Compared with INT, SIT would appear to be more effective to develop VO 2 peak and RSA but could induce lower muscle-strength gains, especially at low velocity.
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Dates et versions

hal-03989812 , version 1 (15-02-2023)

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Julien Robineau, Mathieu Lacome, Julien Piscione, Xavier Bigard, Nicolas Babault. Concurrent Training in Rugby Sevens: Effects of High-Intensity Interval Exercises. International Journal of Sports Physiology and Performance, 2017, 12 (3), pp.336-344. ⟨10.1123/ijspp.2015-0370⟩. ⟨hal-03989812⟩
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