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相关概念视频

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...
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Knee Joint01:23

Knee Joint

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The knee joint is the most complicated joint in the body. It consists of three articulations– two tibiofemoral and one patellofemoral. As is characteristic of synovial joints, the knee joint has a thin articular capsule that partially surrounds this joint cavity. Additionally, several ligaments, muscles, and cartilaginous structures support the movement of the knee.
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris...
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Muscles that Move the Leg01:23

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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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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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Ankle Joint01:10

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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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An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field
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在冲刺和北欧腿筋运动之间,膝关节和关节的动态不同.

Kristen Steudel1, Nicos Haralabidis2, Reed Gurchiek3

  • 1Department of Mechanical Engineering, Stanford University, Stanford 94305, USA.

Journal of biomechanics
|March 11, 2026
PubMed
概括

与北欧腿筋运动 (NHE) 相比,冲刺对双腿大腿长头 (BFLH) 肌肉施加了更大的压力. 这项研究量化了这些生物力学差异,以告知腿筋损伤预防策略.

关键词:
生物机械负荷 生物机械负荷练习选择的练习腿筋压力伤害 腿筋压力伤害反向动力学的反向动力学肌肌的单位单位.

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科学领域:

  • 运动科学 运动科学 运动科学
  • 生物力学 生物力学
  • 运动生理学 运动生理学

背景情况:

  • 冲刺和北欧腿筋运动 (NHE) 是用来减轻腿筋受伤的风险.
  • 冲刺和NHE之间的精确生物力学区别仍然不完全理解.

研究的目的:

  • 为了比较膝关节和关节的运动力学和冲刺和NHE之间的运动力学.
  • 为了分析双腿骨长头 (BFLH) 肌单位的长度和速度,在两个活动期间.

主要方法:

  • 利用从14名跑步运动员 (4-8米/秒) 和NHE的运动捕捉和力数据.
  • 采用肌肉骨建模来计算关节动力学,动力学和BFLH肌单位参数.
  • 进行了一项探索性分析,比较不同运行速度和NHE的生物力学需求.

主要成果:

  • 冲刺暴露了BFLH显著更长的肌肉长度和更高的延长速度比NHE.
  • 与以更高速度冲刺相比,NHE涉及低峰膝盖曲时刻和负力.
  • 尽管峰值要求较低,但NHE重复的持续时间较长导致了较低的跑步速度下,膝盖总负面工作的增加.

结论:

  • 与NHE相比,冲刺对BFLH施加了更大的峰值机械压力.
  • NHE可能会提供一种不同的,可能不那么强烈的刺激来促进腿筋适应.
  • 提供了定量生物力学数据,以区分冲刺和NHE在伤害预防方面的需求.