在亚最大至最大的自行车运动运动期间,评估肌肉氧和的腿部对称性
Carlos Sendra-Pérez1,2, Jose I Priego-Quesada1,3,4, Juan M Murias5
1Department of Physical Education and Sports, Research Group in Sports Biomechanics (GIBD), Universitat de València, Valencia, Spain.
European journal of sport science
|December 5, 2024
概括
在骑自行车时,肌肉氧和度 (SmO2) 在两条腿之间是对称的,这表明从一条腿的测量可以近似地回答两条腿的反应. 这一发现对骑自行车训练和绩效评估有影响.
科学领域:
- 运动科学 运动科学 运动科学
- 运动生理学 运动生理学
- 生物医学工程 生物医学工程
背景情况:
- 肌肉氧和度 (SmO2) 是运动期间的一个关键生理指标.
- 了解SmO2中的四肢对称性对于准确的自行车训练和性能评估至关重要.
研究的目的:
- 在骑自行车期间,在三个活跃的腿部肌肉中研究SmO2配置的对称性.
- 为了在不同强度的运动中比较喜欢和不喜欢的四肢之间的氧化反应.
主要方法:
- 使用近红外光谱学 (NIRS) 进行双边SmO2评估,用于横向巨,中侧胃巨和前侧.
- 训练有素的骑自行车运动员和三项运动员接受了分级运动测试 (GXT) 和8分钟的功能值功率估计测试 (8MTT).
- 分析了对称性,可靠性和脚间SmO2测量的一致性.
主要成果:
- 在GXT和8MTT期间,在评估的肌肉中,在两条腿之间没有发现SmO2的显著差异 (p > 0.05).
- 根据肌肉的可靠性有所不同,前肌表现出中度至优异的稳定性 (ICC = 0.92-0.73).
- 组SmO2的变化在较低强度时较窄,在较高的运动负载时增加.
结论:
- 在训练有素的骑自行车者中,在骑自行车时,SmO2反应在偏好和非偏好四肢之间是对称的.
- 在单个下肢中测量SmO2可提供可靠的两肢反应近似值.
- 这些发现支持使用单边测量来评估骑自行车时的双边生理反应.
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