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相关概念视频

Muscles that Move the Leg01:23

Muscles that Move the Leg

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The movement of the legs is facilitated by numerous muscles located within the anterior, medial, and posterior compartments of the thigh.
Anterior Compartment
The quadriceps femoris, the most visible muscle of the anterior compartment, is integral for leg extension and thigh flexion. It is formed by merging four distinct muscles — the vastus lateralis, vastus medialis, vastus intermedius, and rectus femoris. The quadriceps tendon, a shared tendon of the four quadriceps muscles, is affixed...
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相关实验视频

Updated: Jul 18, 2025

Bilateral Assessment of the Corticospinal Pathways of the Ankle Muscles Using Navigated Transcranial Magnetic Stimulation
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在腰行走期间肌肉活动.

Martin Hora1, Michal Struška1, Zuzana Matějovská1

  • 1Department of Anthropology and Human Genetics, Charles University, Prague, Czech Republic.

American journal of biological anthropology
|August 22, 2023
PubMed
概括
此摘要是机器生成的。

在行走时降低身高会增加下肢肌肉活动,特别是大腿和部肌肉. 这表明着行走可能会减少疲劳,可能有助于接近狩猎策略.

关键词:
接近狩猎 接近狩猎电动肌谱学 电动肌谱学动力学是动力学.姿势 姿势 姿势长度,身材,身材都是一个问题.

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Evaluating Postural Control and Lower-extremity Muscle Activation in Individuals with Chronic Ankle Instability
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Lower Limb Biomechanical Analysis of Healthy Participants
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科学领域:

  • 生物力学 生物力学
  • 人类进化人类进化
  • 人类学是人类学.

背景情况:

  • 着行走已经研究了关于人类双脚和运动障碍的研究.
  • 它在接近狩猎中的潜在作用,在这种情况下,降低姿势高度是有利的,是不太被探索的.

研究的目的:

  • 分析相对姿势高度,动力学和着行走时下肢肌肉活动之间的关系.
  • 调查对接近狩猎和识别过去人类运动的影响.

主要方法:

  • 十九名成年男性进行了用伸展的四肢和三个缩角度进行行走试验.
  • 3D运动捕捉和电肌图记录了动力学和肌肉激活 (前,单,胃半,横,大腿直,双腿,大腿).
  • 线性混合效应模型分析了姿势高度的影响.

主要成果:

  • 增加腰 (较低的相对姿势高度) 与更大的曲角度和整体肌肉激活相关 (除了中间胃角肌肉).
  • 腿部和部肌肉对减小的姿势高度的反应比腿部肌肉更强烈.

结论:

  • 在较低的姿势高度上,较高的肌肉激活表明疲劳减少,可能有利于猎人.
  • thigh/gluteal 与 shank 肌肉的不同激活模式可能表明祖先群体的着行走.