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上肢和下肢肌肉强度,力量发展速度和成年人的疲劳之间的关系
Matthew Langford1,2, Kyle J Hackney2, Sarah Andrew1,2
1Healthy Aging North Dakota, North Dakota State University, Fargo, ND, USA.
International journal of exercise science
|September 11, 2024
概括
电子手柄动力计可以评估上半身和下半身的肌肉功能,包括力量和耐力. 这项研究发现,手握强度与身体下部尺寸相关,这表明其在全身评估中使用.
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:
- 电子手柄动力计是评估上肢肌肉功能的一种可行的方法.
- 上肢肌肉功能和下肢肌肉功能之间的关系在很大程度上仍未被探索.
- 了解这些关系可以为全面评估整体身体能力提供信息.
研究的目的:
- 为了研究上肢和下肢机械同位体肌肉力量,力量发展速度 (RFD) 和耐力之间的相关性.
- 为了检查这些基于肢体优势的关系,在抵抗训练的成年人中.
- 探索这些相关性中的潜在的年龄和性别相关差异.
主要方法:
- 30名经过抵抗训练的成年人 (平均年龄为32.1±13.5岁) 参加了这项研究.
- 上肢强度,RFD和耐力都使用电子手柄动力计进行了测量.
- 下肢力量,RFD和耐力被评估使用具有异比特征的异动力膝盖动力表.
主要成果:
- 在主导的上肢和下肢力量 (r=0.76,p<0.01),RFD (r=0.37,p=0.04) 和耐力 (r=-0.48,p<0.01) 之间发现了显著的相关性.
- 非主导四肢相关性对于强度 (r=0.67,p<0.01) 是显著的,但不是RFD或耐力.
- 年龄特定的相关性显示了年轻成年人 (18-34岁) 的力量相关性,以及年长成年人 (35-70岁) 的力量和耐力相关性. 上肢和下肢疲劳性与女性相关.
结论:
- 通过电子手柄动力学测量来测量力量,RFD和耐力,这些指标是全身肌肉功能的指标,因为它们与下肢的测量相关.
- 这些发现支持手握动力计在各种年龄组的常规肌肉功能评估中的实用性.
- 该研究强调了手握动力学作为评估整体肌肉健康和性能的实用工具的潜力.
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