高强度跑步导致疲劳是否会影响下肢受伤风险?
Hannah Rice1, Chelsea Starbuck2, Jasmin Willer3
1Department of Physical Performance, Norwegian School of Sport Sciences, Norway.
Journal of science and medicine in sport
|September 6, 2024
概括
高强度到疲劳的跑步减少了骨曲的时刻和阿基里斯肌的力量,但增加了骨骨关节的力量. 这表明改变跑步机制可能会增加骨损伤风险.
科学领域:
- 生物力学 生物力学
- 运动医学 运动医学
- 运动生理学 运动生理学
背景情况:
- 高强度跑步在中距离运动员中很常见.
- 了解跑步疲劳的生物力学需求对于预防伤害至关重要.
研究的目的:
- 在高强度跑步到疲劳期间量化远部骨曲瞬间的变化,骨骨关节接触力和阿基里斯肌力.
- 研究改变跑步神经力学与受伤风险之间的关系.
主要方法:
- 一项观察性研究涉及16名高级跑步运动员.
- 三维动力学和动力学被用来分析在最大努力中运行到疲劳的力量.
- 在运行的不同阶段进行了测量:开始,33%,67%和结束.
主要成果:
- 骨曲的峰值时刻减少了6.8% (p=0.004) 峰值阿基里斯肌力量减少了9.1% (p<0.001).
- 骨骨关节的峰值力量增加了8.9% (p=0.026).
- 骨曲时刻的减少主要是由肌肉力量驱动的.
结论:
- 高强度到疲劳的跑步会改变生物力学负荷,降低骨和阿基里斯肌的力量,同时增加骨骨的力量.
- 这些变化可能会增加骨关节损伤的风险.
- 这些发现表明,疲劳高强度跑步期间的神经机制的改变不太可能是骨或阿基里斯肌过度使用损伤的主要机制.
更多相关视频
06:35Using Gold-standard Gait Analysis Methods to Assess Experience Effects on Lower-limb Mechanics During Moderate High-heeled Jogging and Running
Published on: September 14, 2017
9.1K
06:52An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field
Published on: May 26, 2020
7.9K
相关概念视频
Exercise and Cardiovascular Response
750
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
750
Muscle Recovery and Fatigue
2.0K
Muscle fatigue refers to the decline in a muscle's ability to maintain the force of contraction after prolonged activity. It primarily stems from changes within muscle fibers. Even before experiencing muscle fatigue, one may feel tired and have the urge to stop the activity. This response, known as central fatigue, occurs due to changes in the central nervous system, namely the brain and spinal cord. While there is no single mechanism that induces fatigue, it may serve as a protective...
2.0K
