在跑步机上行走时,部吸气肌电动图和氧气吸收的相关性
Kenta Kawamura1, Kazumichi Ae2, Rinri Uematsu1
1Department of Physical Therapy, Ibaraki Prefectural University of Health Sciences, Ami-machi, Inashiki-gun, Japan.
部肌肉电肌图 (EMG) 显示了在运动期间估计氧气吸收 (V·O2) 的潜力. 然而,仅仅这些EMG信号不足以准确预测运动教练中的V·O2.
科学领域:
- 运动生理学 运动生理学
- 生物医学工程 生物医学工程
- 运动科学 运动科学 运动科学
背景情况:
- 精确测量氧气摄入量 (V·O2) 对于评估运动强度至关重要.
- 目前使用排气气体分析的方法需要特殊的设备,如口罩.
- 更简单的V̇O2估计预测器可以增强运动指导和监测.
研究的目的:
- 通过宫鼓动肌的电肌图 (EMG) 来研究氧气吸收 (V̇O2) 的可预测性.
- 为了确定来自大肌 (EMGst) 和大肌 (EMGsc) 肌肉的EMG信号是否可以在跑步机运动期间估计V̇O2.
主要方法:
- 14名健康成年人接受了跑步机运动负荷测试.
- 同时记录V·O2,吸气流量和心率.
- 在各种炼负载下分析了来自大肌和大肌肌的综合EMG.
主要成果:
- 宫鼓动肌的综合EMG值显示了与运动负载的部分显著正相关性.
- 来自大肌和大肌肌的EMG信号与V̇O2.2有一定的相关性.
- 宫呼吸肌EMG与V̇O2的相关性低于观察到的微呼吸时的相关性.
结论:
- 宫呼吸肌的EMG具有潜力,可以作为在运动期间估计V̇O2的方法.
- 这些肌肉的EMG参数目前不足以准确估计V·O2.
- 需要进行进一步的研究,以将EMG数据与其他生理测量进行整合,以改进V̇O2预测.
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