扰动强度对由分带跑步机诱导的向后滑落的影响
Chihyeong Lee1, Jooeun Ahn2,3, Beom-Chan Lee4,5
1Physical Education, Seoul National University, Seoul, 08826, South Korea.
Scientific reports
|February 11, 2025
概括
增加跑步机滑动速度显著增加了跌倒的风险和力,无论持续时间. 这项研究为防摔培训和生物力学研究提供了信息.
科学领域:
- 生物力学 生物力学
- 人类运动分析分析
- 运动科学 运动科学
背景情况:
- 降落诱导系统对于研究降落生物力学和制定降落预防策略至关重要.
- 了解扰动强度的影响对于研究和培训应用都至关重要.
研究的目的:
- 为了研究不同的干扰强度 (速度和持续时间) 如何影响在跑步机引起的滑动时的跌落发生,跌落速度和最大负载力.
- 分析滑动速度,持续时间和跌倒风险之间的关系.
- 为控制乱系统的设计提供信息,用于秋季研究和培训.
主要方法:
- 在24名年轻成年人 (12名男性,12名女性) 中使用分腰带跑步机诱导滑落.
- 每名参与者进行了16个随机试验,包括12个扰动试验和4个错误试验.
- 安全带和轨道之间的测量力,以识别跌倒,不跌倒和最大负载力.
主要成果:
- 跌倒的数量和跌倒率都显著增加,在测试的两个持续时间内,滑倒速度都更高.
- 跌倒期间的最大负载力也随着滑动速度的增加而显著增加.
- 相对风险分析表明,随着滑动速度的增加,跌倒风险显著增加,无论扰动持续时间如何.
结论:
- 滑动速度是影响落发生,严重程度和在跑步机诱导的滑动期间整体落风险的关键因素.
- 这些发现为设计使用分带跑步机的受控扰动协议提供了宝贵的数据.
- 结果可以为开发更有效的防摔培训计划提供信息,并增强对摔倒生物力学的理解.
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