男性运动健将反应性力量指数与跑步代谢消耗的关系

IF 3.5 2区医学 Q1 PHYSIOLOGY

International journal of sports physiology and performance Pub Date : 2025-02-12 Print Date: 2025-04-01 DOI:10.1123/ijspp.2024-0291

Maxence Tanneau, Nicolas Berryman, Iñigo Mujika, Anh P Nguyen, Darío Cappa, Jeanne Barraud, Laurent Bosquet

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引用次数: 0

摘要

目的：探讨运动健将反应性力量指数（RSI）与跑步代谢代价（MCr）的关系。我们假设RSI较高的个体MCr较低，这两个变量都是相关的，年龄会缓和这种关系。方法：45名男性运动健将参与本研究。进行中位数分割，分为2个年龄组(1组，47.7[1.7]岁；2组，56.3[4.6]岁。参与者进行了45分钟的单次训练，在此期间，在跑步机上进行的次最大强度的连续运动中，通过弹跳和MCr来评估RSI。结果：在整个样本中，净MCr和RSI之间存在较小的负相关（RSI平均值r = -）。38, p < 0.05；RSI最大值r = -。38, p < 0.05)。组1的净MCr低于组2 (P < 0.01, d = -0.84)， RSI高于组2 （P < 0.01, d = - 0.82）。然而，两种测量之间的关联在第2组（20厘米落差的RSI， r = -）中得到了验证。53, p < 0.01；RSI均值，r = -。50, p < 0.05；RSI最大值，r = -。57, p < 0.01)。结论：在优秀运动员中，RSI与净MCR相关，特别是在老年参与者中。现在需要更多的干预研究来进一步探索这种关联。

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Association Between Reactive Strength Index and Metabolic Cost of Running in Male Master Athletes.

Purpose: To examine the association between reactive strength index (RSI) and metabolic cost of running (MCr) in master athletes. We hypothesized that individuals with a higher RSI would exhibit a lower MCr, that both variables would be associated, and that age would moderate this relationship.

Methods: Forty-five male master athletes participated to this study. A median split was performed to constitute 2 age groups (group 1, 47.7 [1.7] y old; group 2, 56.3 [4.6] y old). Participants underwent a single 45-minute session during which RSI was assessed with drop jumps, and MCr, during a continuous exercise of submaximal intensity performed on a treadmill.

Results: A small negative association was found between net MCr and RSI in the overall sample (RSI mean r = -.38, P < .05; RSI max r = -.38, P < .05). Group 1 exhibited a lower net MCr (P < .01, d = -0.84) and higher RSI (P < .01, d > 0.82) than group 2. However, the association between the 2 measures was verified specifically in group 2 (RSI from a 20-cm drop jump, r = -.53, P < .01; RSI mean, r = -.50, P < .05; RSI maximum, r = -.57, P < .01).

Conclusions: RSI is associated with net MCR in master athletes, particularly in older participants. Additional intervention studies are now required to further explore this association.

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来源期刊

International journal of sports physiology and performance PHYSIOLOGY-SPORT SCIENCES

CiteScore

5.80

自引率

12.10%

发文量

199

审稿时长

6-12 weeks

期刊介绍： The International Journal of Sports Physiology and Performance (IJSPP) focuses on sport physiology and performance and is dedicated to advancing the knowledge of sport and exercise physiologists, sport-performance researchers, and other sport scientists. The journal publishes authoritative peer-reviewed research in sport physiology and related disciplines, with an emphasis on work having direct practical applications in enhancing sport performance in sport physiology and related disciplines. IJSPP publishes 10 issues per year: January, February, March, April, May, July, August, September, October, and November.