性别和负载对量化双边力量缺陷的影响,在上肢Wingate测试期间
Angie K Antolinez1, Philip F Edwards1, Michael W R Holmes2
1School of Human Kinetics and Recreation, Memorial University of Newfoundland, St. John's, NL, Canada.
Frontiers in sports and active living
|January 20, 2025
概括
双边赤字 (BLD) 在上体翼式无氧试验 (WAnT) 期间减少. 性和负担显著影响了这一赤字,影响了培训和康复计划.
科学领域:
- 运动生理学 运动生理学
- 生物力学 生物力学
- 人类表现的人类表现.
背景情况:
- 双边赤字 (BLD) 描述了一个现象,即四肢单方面产生的力总和超过了当这些四肢双边作用时产生的力.
- 了解BLD对于优化培训和康复策略至关重要,特别是在需要最大力输出的任务中.
研究的目的:
- 要量化双边赤字 (BLD) 在上体翼式无氧试验 (WAnT) 期间生效.
- 评估性别和不同负载强度在WAnT期间对BLD的影响.
主要方法:
- 十八名参与者完成了最大的握力,自愿同度收缩 (MVIC) 和三次30秒的WAnT,分别为3%,4%和5%的体重 (BW).
- 任务是单方面 (主导和非主导臂) 和双边执行的,收集的力量数据用于计算BLD.
主要成果:
- 在所有WAnT负载和时间间隔中,男性的BLD明显高于女性.
- 女性在BLD中表现出负载依赖的变化,而男性在WAnT的持续时间内表现出增加的BLD.
- 与MVIC和握力强度任务相比,WAnT引起了最高的BLD.
结论:
- 在最大上肢运动期间的双边赤字中存在显著的基于性别的差异.
- 性和负载之间的相互作用是理解WANTs期间BLD的关键因素.
- 在设计培训或康复计划时,考虑性别,负载和运动类型至关重要,以解决双边缺口的现状.
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