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相关概念视频

Bones of the Lower Limb: Femur and Patella01:16

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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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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 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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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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The kidneys are a pair of bean-shaped organs in the human body that play a critical role in maintaining overall health. They filter out waste products from the blood, regulate blood pressure, maintain electrolyte balance, and stimulate the production of red blood cells.
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侧侧带不稳定性的解剖学风险因素

Arthur J Only1, Elizabeth A Arendt2, Betina B Hinckel3

  • 1Department of Orthopedic Surgery, University of Minnesota, Minneapolis, Minnesota, U.S.A.

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每10万人中会有42人患上骨不稳定,这与增加侧向力和误导作用的解剖风险因素 (APRF) 有关. 了解这些因素对于有效的骨骨关节关节管理至关重要.

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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
  • 放射学 放射学是一门学科.

背景情况:

  • 带不稳定是一种常见的骨科疾病,每年约每10万人中约有42人受到影响.
  • 它是由于皮带跟踪受损而产生的,可能导致软骨损伤和功能障碍.
  • 骨关节 (PF) 关节的稳定性取决于肌肉力量,软组织,关节几何和四肢对齐的复杂相互作用.

研究的目的:

  • 审查和定义与骨不稳定相关的各种解剖骨风险因素 (APRF).
  • 突出APRFs在皮带不稳定性背景下的生物机械和临床意义.
  • 讨论当前的评估方法,并确定临床数据中的差距,以指导治疗决策.

主要方法:

  • 对已识别的解剖面骨风险因素 (APRF) 的审查,包括骨高部,旋转不对齐,骨,横向的小腿结核和三膜发育不良等.
  • 讨论APRFs的生物机械后果,例如增加横向力量和误导.
  • 目前用于APRF评估的诊断成像方法的概述,包括X光,MRI和CT扫描.

主要成果:

  • 超过80%的患有皮带不稳定的患者至少表现出一个APRF.
  • 生物力学上,APRF会增加侧面骨力,maltracking和PF关节压力,同时减少接触面积.
  • 在临床上,APRF与初始不稳定性发作后更高的复发率和中部PF带重建的成功率较低有关.

结论:

  • 解剖学形风险因素与形不稳定性有显著的关联,并影响治疗结果.
  • 虽然可以评估个别的APRF,但缺乏可靠的数据来指导治疗门和手术管理决策.
  • 对APRF的全面评估是管理骨骨架不稳定的基本组成部分.