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相关概念视频

Bones of the Lower Limb: Tibia and Fibula01:10

Bones of the Lower Limb: Tibia and Fibula

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The tibia is the main weight-bearing bone of the lower leg. It is larger than the fibula with which it is paired. The tibia is also the second longest bone in the body and is located right below the skin. The proximal end of the tibia forms the medial and the lateral condyle, which articulates with the condyles of the femur to form the knee joint. Between the articulating surfaces is the irregular elevated area known as the intercondylar eminence that serves as the inferior attachment point for...
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Muscles of the Leg that Move the Foot and Toes01:28

Muscles of the Leg that Move the Foot and Toes

1.5K
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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Bones of the Lower Limb: Femur and Patella01:16

Bones of the Lower Limb: Femur and Patella

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The femur is the body's longest and strongest bone spanning the thigh region. Its head articulates with the acetabulum of the hip bone to form the hip joint. A minor indentation on the medial side of the femoral head, called the fovea capitis, serves as the site of attachment for the ligament of the head of the femur. This weak ligament spans the femur and acetabulum and supports the hip joint. The narrowed region below the head is the neck of the femur. The inclination angle between the...
2.5K
Ankle Joint01:10

Ankle Joint

1.6K
The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...
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相关实验视频

Updated: Jul 7, 2025

Lower-Limb Biomechanical Characteristics Associated with Unplanned Gait Termination Under Different Walking Speeds
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Lower-Limb Biomechanical Characteristics Associated with Unplanned Gait Termination Under Different Walking Speeds

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下肢肌结构是否会影响步行方式?

Alejandro Núñez-Trull1, Javier Álvarez-Medina1, Diego Jaén-Carrillo2

  • 1Departamento de Fisiatría y Enfermería, Universidad de Zaragoza, 50009 Zaragoza, Spain.

Healthcare (Basel, Switzerland)
|December 22, 2023
PubMed
概括

较厚的骨肌与更长的行走过程中的摇摆时间有关. 这项研究探讨了健康成年人肌形态和步行力学之间的关系.

关键词:
生物力学 生物力学步态 步态 步态 步态下肢的下肢是什么意思摇滚歌手 摇滚歌手 摇滚歌手肌形态 肌形态 肌形态

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Comparative Analysis of Lower Limb Kinematics between the Initial and Terminal Phase of 5km Treadmill Running
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科学领域:

  • 生物力学 生物力学
  • 人类步态分析
  • 肌肉骨超声波 肌肉骨超声波

背景情况:

  • 人类的步态涉及功能摇器和肌行为在拉伸缩短周期.
  • 肌形态与行走中的摇摆时间之间的关系以前没有被研究过.

研究的目的:

  • 为了研究骨肌,阿基里斯肌和足底筋形态之间的关联,以及人类行走期间功能摇的持续时间.

主要方法:

  • 39名健康男性接受了超声波检查,以测量肌和筋膜形态.
  • 步行数据,包括摇摆持续时间,采集使用巴罗踏步计平台.
  • 统计分析 (t-测试) 将软组织形态与摇摆时间进行比较.

主要成果:

  • 在患有较厚骨肌的个体中观察到更长时间的摇摆1 .
  • 更厚的阿基里斯肌也与更长的摇摆1持续时间有关.
  • 对于阿基里斯肌或足部带膜形态,摇摆时间没有发现显著差异.

结论:

  • 肌厚度的增加与健康成年人走路时摇时间的延长显著相关.
  • 这一发现突显了肌特性与步态动态之间的潜在联系.