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走在偏好的速度周围:检查代谢,感知,时空和稳定性参数的检查

Lina Majed¹, Rony Ibrahim², Merilyn Jean Lock¹

¹Exercise Science, Health and Epidemiology Division, College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar.

Frontiers in physiology

|February 26, 2024

概括

以你喜欢的速度行走可以优化脂肪燃烧,提高步态稳定性. 低于这个首选速度的速度会降低效率和稳定性,而更快的速度会增加碳水化合物的使用.

科学领域:

生物力学生物力学
运动生理学运动生理学
人类运动科学科学人类运动科学

背景情况:

步行是一种普遍可行的体力活动.
自选强度可能比处方强度提供更大的长期健康益处.
了解偏好的行走速度 (PWS) 的生理和生物力学决定因素对于促进有效的体力活动至关重要.

研究的目的:

调查一个人喜欢的步行速度 (PWS) 周围的代谢,感知,时空和步行稳定性参数.
确定相对于PWS而言步行速度的变化如何影响关键的生理和生物力学变量.

主要方法:

三十四个年轻的久坐不动的成年人以七个速度走在3公里·小时-1的范围内,以他们的PWS为中心.
收集了代谢 (氧气消耗,燃料氧化),感知 (感知劳力的评分),时空 (步伐长度,持续时间) 和步伐稳定性 (步伐特征的变化) 数据.
用统计模型分析数据,以确定速度和测量变量之间的关系.

主要成果:

所有测量的变量都受到步行速度的显著影响.
增加的碳水化合物氧化和减少的脂肪氧化发生在超过PWS的速度.
步行稳定性,以步伐特征的变化来表示,在PWS以下的速度下降.
首选的步行速度 (PWS) 与最佳的机械效率,燃料利用率和步行稳定性有关.

结论:

首选的步行速度 (PWS) 代表了优化代谢和生物机械功能的独特点.
在PWS下行走会损害机械效率和稳定性.
在PWS上行走优先考虑碳水化合物代谢而不是脂肪代谢.
在行走过程中,PWS可能是促进有效的脂肪氧化和强大的步态稳定性的关键因素.

关键词:

能源支出能源支出运动就是炼身体.燃料氧化过程中的燃料氧化.步态步态步态步态感知到的劳动力.自己选择的强度.稳定的稳定性稳定的稳定性步行参数步行参数

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