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在重复试验中,量化预期和实际力量之间的关系中的个体差异,并与外部反进行反复试验
Ryosuke Sugaya1, Yoichi Hayashi1,2
1Graduate School Department of Sports and Health Studies, Hosei University, Tokyo, Japan.
Perceptual and motor skills
|November 27, 2025
概括
个人在匹配预期的握力方面表现出不同的准确性,但重复的外部反始终改善了所有力级别的性能. 这突显了在运动控制任务中的强有力的学习.
科学领域:
- 电机控制和生物力学
- 人类运动性能人类运动性能.
- 运动的神经科学运动的神经科学.
背景情况:
- 精确的力量控制对于日常活动和体育运动至关重要.
- 在匹配预期和实际力方面存在个体变异性.
- 外部反对力量控制和个人差异的影响仍未得到充分研究.
研究的目的:
- 为了研究握力控制精度的个体差异.
- 为了确定反复的外部反如何影响力匹配能力.
- 为了分析不同力级的精度.
主要方法:
- 采用了一种重复测量设计.
- 参与者执行了一个感知指导的握力任务与外部反.
- 49名健康的年轻男子完成了11项试验,其最大自愿收缩率为25%,50%和75%.
主要成果:
- 在所有试验中,抓地错误 (AE) 降低了,这表明反的准确性有所提高.
- 性能改进因力级不同而有所不同,初始误差最大,MVC降低75%.
- 在最佳准确度的首选力水平上观察到个体差异,但学习速率的变化是最小的.
结论:
- 个人在运动任务中表现出不同的力量水平,以达到最高精度.
- 通过反复的外部反来提高学习和准确性,在各个个体中都是一致的.
- 这些发现有助于理解力量控制和感知导向运动技能的个体变化.
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