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相关概念视频

Muscles of the Leg that Move the Foot and Toes01:28

Muscles of the Leg that Move the Foot and Toes

The human leg comprises an intricate system of muscles that facilitate the movement of feet and toes. Within this system, the muscles are categorized into the anterior, lateral, and posterior compartments, each with a unique set of muscles carrying out specific functions.
Anterior Compartment
The anterior compartment includes muscles that contribute to the dorsiflexion of the foot. This compartment houses the tibialis anterior, extensor hallucis longus, and extensor digitorum longus muscles.

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相关实验视频

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在北欧腿筋运动期间,智能手机应用程序计算的断点角度之前和之后的腿筋活动.

Toshiaki Soga1,2,3, Shota Yamaguchi4, Takayuki Inami4

  • 1Graduate School of Sport Sciences Waseda University.

International journal of sports physical therapy
|September 16, 2024
PubMed
概括

北欧角度应用程序在北欧腿筋运动 (NHE) 期间准确计算断点角度 (BPA). 两骨 (BF) 电动肌图 (EMG) 活动在BPA附近达到顶峰,随后显著下降,突出了特定膝盖曲范围对预防伤害的重要性.

关键词:
两腿骨的两,也就是腿骨的两.腿筋应变损伤 腿筋应变损伤预防复发 防止复发

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相关实验视频

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科学领域:

  • 生物力学 生物力学
  • 运动生理学 运动生理学
  • 运动医学 运动医学

背景情况:

  • 之前的研究表明,在北欧腿筋运动 (NHE) 期间,双腿骨 (BF) 电动肌图 (EMG) 活动的断点角度 (BPA) 后活动下降.
  • 没有先前的研究检查过BF EMG活动与BPA相比,由智能手机应用程序 (Nordic Angle应用程序) 确定.

研究的目的:

  • 为了调查BPA前后的BFEMG活动,使用北欧角度应用程序进行BPA计算.
  • 测试BFEMG活动在BPA附近达到峰值,然后下降的假设.

主要方法:

  • 参与者接受了对腿筋肌肉的最大自愿同度收缩 (MVIC) 测试.
  • 在NHE期间的BF EMG活性正常化为%MVIC.
  • 北欧角度应用程序分析了iPhone视频录制以确定BPA.
  • 二维运动分析软件评估了膝盖的屈曲角度.
  • 与BPA相比,BF EMG活动在七个膝盖曲阶段进行了比较.

主要成果:

  • 在北欧角度应用程序的BPA和在峰值BF EMG活动时的膝盖曲角度之间没有发现显著差异.
  • 在BPA后20-25°的BFEMG活性明显低于BPA±5°的活性.

结论:

  • 在NHE期间,BF EMG活动在特定的膝盖曲范围 (15-35°) 中至关重要,以预防腿筋损伤.
  • 建议将北欧角度应用程序的BPA保持在35°以内,以减轻反复出现的腿筋损伤.