在跑步机上以不同的速度滑冰的动力学和电动学分析:一个案例研究
Giulia Bongiorno1, Giulio Sisti2, Francesca Dal Mas3,4
1Physiotherapy Department, Friuli Riabilitazione, 33080 Roveredo in Piano, Italy.
Sensors (Basel, Switzerland)
|September 14, 2024
概括
速度滚球滑冰运动员会经历更大的沟紧张,增加受伤风险. 较高的速度需要更多的肌肉激活和协调,影响在线性滑冰过程中负载分配和有效的力应用.
科学领域:
- 运动医学 运动医学
- 生物力学 生物力学
- 运动生理学 运动生理学
背景情况:
- 与其他循环运动相比,精英速度滚球运动员报告增加了沟不适.
- 这种看法表明,在速滑运动中沟受伤的风险更高.
- 了解生物力学需求对于预防伤害至关重要.
研究的目的:
- 分析跑步机上的快速滚球运动员的动力学和电动图学 (EMG) 参数.
- 为了比较两种不同的滑冰速度 (20公里/小时和32公里/小时) 在1°倾斜时的影响.
- 为了研究线性滑冰运动中的肌肉激活模式和协调.
主要方法:
- 利用放置在第一个椎上的一种惯性传感器来获取运动数据.
- 在两个下肢使用了八个表面EMG探针来测量肌肉活动.
- 在控制的速度和斜率下进行基于跑步机的滑冰模拟.
主要成果:
- 滑冰速度增加 (32公里/小时而不是20公里/小时) 导致肌肉激活显著增加 (最大值和平均值).
- 更高的速度也导致了更大的肌肉协同激活,表明加强了协调需求.
- 该研究确定了不同的肌肉激活模式和不同速度的负载分布.
结论:
- 在线速滑的更高速度需要更大的肌肉激活和精细的协调.
- 这些发现为物理治疗师和运动学家提供了关于肌肉需求和负载分布的见解.
- 这项研究有助于开发针对性伤害预防和适应速度滚球运动员的训练策略.
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