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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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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.
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步行时的中间半径挤出与早期膝关节骨关节炎的膝关节旋转减少有关.

Saeko Okamoto1, Yosuke Ishii1, Yoshifumi Kono2

  • 1Department of Biomechanics, Graduate School of Biomedical and Sciences, Hiroshima University, Hiroshima, Japan.

Gait & posture
|March 12, 2024
PubMed
概括

在早期膝关节骨关节炎 (OA) 中,步行时膝关节旋转减少与中枢半径挤出增加有关. 这一发现突显了早期OA进展中的潜在生物力学因素.

关键词:
中间阴茎挤出,膝盖旋转角度的范围,中间膝盖关节炎,超声波.

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科学领域:

  • 整形外科 整形外科 整形外科
  • 生物力学 生物力学
  • 医疗成像医学成像

背景情况:

  • 中枢膝关节骨关节炎 (OA) 涉及中枢阴茎挤出,由机械应力 (如膝关节引时刻 (KAM)) 恶化.
  • 在步行过程中减少膝盖旋转是早期膝盖骨关节炎的已知问题,但其与阴茎挤出的联系尚不清楚.

研究的目的:

  • 为了检查介质半径挤出和膝盖旋转范围之间的关系,在步行过程中,在早期和晚期膝盖OA患者.

主要方法:

  • 40名膝关节骨质炎患者被分为早期和晚期阶段,使用Kellgren-Lawrence尺度.
  • 通过超声波测量中介阴茎挤出,同时使用3D运动分析捕获了步态动力学和动力学.
  • 在所有患者和每个阶段中,评估了中间阴囊挤出,膝盖旋转和KAM之间的相关性.

主要成果:

  • 在增加的中间半径挤出和膝盖旋转范围之间发现了显著的负相关性,特别是在早期的OA组中.
  • 在整体和早期的OA组中,增加的中间半径挤出也与第二个膝盖加伸时刻 (KAM) 峰值有显著的相关性.

结论:

  • 在步行姿势阶段,膝盖旋转范围的减少可能与早期膝盖骨关节炎患者中介性半径挤出增加有关.