神经肌肉和干部控制介导因素与疲劳的跑步者受伤相关
Nelson A Glover1, Ajit Mw Chaudhari2
1Department of Bioengineering, George Mason University, Fairfax, VA, United States.
Journal of biomechanics
|May 31, 2024
概括
疲劳增加了受伤风险因素,如跑步者的部引峰值和垂直瞬间负载率峰值. 在疲劳期间,脚协作活性降低和侧侧干部倾斜增加可能会增加骨应力骨折的风险.
科学领域:
- 生物力学 生物力学
- 运动医学 运动医学
- 跑步伤害预防 跑步伤害预防
背景情况:
- 疲劳是导致跑步伤害的一个常见因素.
- 特定的受伤风险因素包括骨应力骨折 (TSF) 的峰值垂直瞬间负荷率 (pVILR) 和骨骨疼痛综合征和骨带综合征的峰值 adduction (pHADD).
- 了解疲劳如何影响神经肌肉控制对于预防伤害至关重要.
研究的目的:
- 研究疲劳对受伤风险因素,神经肌肉活动和娱乐跑步者的控制的影响.
- 为了确定与跑步时疲劳相关的特定生物机械和神经肌肉变化.
- 探索疲劳引起的变化与发展与跑步相关的伤害 (如TSF) 的可能性之间的关系.
主要方法:
- 收集了11名休跑步者的运动,运动和电肌图数据,这些数据是在疲的跑步过程中收集的.
- 在不同的姿势阶段 (预期,重量接受,推进) 中,膝盖和脚周围的量化协作.
- 通过测量中侧倾斜,向前倾斜和运动范围 (ROM) 来评估干部控制.
主要成果:
- 在疲劳时观察到pHADD和pVILR的显著增加.
- 疲劳导致膝盖在姿势阶段的联合激活减少,并在体重接受过程中减少脚联合激活.
- 增加横向的干部倾斜被注意到疲劳,而干部ROM保持不变.
结论:
- 疲劳显著改变与跑步伤害相关的生物力学因素.
- 在体重接受过程中脚协作激活的减少和侧侧干部倾斜的增加是骨应力骨折风险的潜在贡献者.
- 需要进一步的研究来确定疲劳,神经肌肉控制的改变和跑步伤害之间的因果关系.
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