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在疲劳的异常干部曲和延伸协议期间比较个体力量下降配置文件:一个试点研究
Yasemin Paksoy1, David Kpobi1, Jakob Henschke1
1University Outpatient Clinic, Sports Medicine and Sports Orthopedics, University of Potsdam, Potsdam, Germany.
肌肉疲劳显著降低了干部力量的产生,在异常运动期间观察到大量个体间的变化. 疲劳协议显示了不同的个体力量概况和随着疲劳的进展而变化的减少.
科学领域:
- 生物力学 生物力学
- 运动生理学 运动生理学
- 运动科学 运动科学 运动科学
背景情况:
- 肌肉疲劳是由减少的力量生产和可持续性定义的,可能会影响协调和脊柱稳定性.
- 奇特的收缩,特别是在干部,可能会引起独特的疲劳反应,并影响脊柱的稳定性.
- 了解疲劳的个体差异对于开发个性化培训和康复策略至关重要.
研究的目的:
- 为了研究肌肉疲劳特征的个体差异,在一个古怪的干部曲-延伸协议.
- 为了分析扭矩输出配置文件和在最大全力以赴 (AO) 任务期间的变化.
- 评估疲劳如何影响力量生产中的个人间变异性.
主要方法:
- 12名健康的参与者 (10名男性,2名女性,年龄29±4岁) 进行了2分钟的最大AO异常干部曲延伸方案.
- 扭矩输出以异动力学 (60°/s) 方式测量,并对达到10%,15%,20%和30%的扭矩减速值的个别时间进行分析.
- 使用变化系数 (CV) 量化了个体间的变化.
主要成果:
- 参与者平均在23.2±19.1秒内降低了10%的扭矩,在79.2±21.8秒内降低了30%.
- 个体间的变化率 (CV) 范围为23.4%至103.8%的干部曲器和28.4%至56.5%的干部延伸器.
- 对于大多数参与者来说,在第一分钟内观察到20%的扭矩减少,随着疲劳增加,变异性减少.
结论:
- 一个2分钟的古怪的干部协议有效地诱导显著的肌肉疲劳.
- 在干部异常运动期间,疲劳的发展和力状况存在明显的个体间差异.
- 疲劳的进展似乎减少了个体间的变化,这表明力输出特征的趋同.
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