引起髌股关节疼痛的原因有:先天性高髌骨症,髌骨软骨纤维化,腘绳肌紧张,跟腱紧张,股外侧肌,髌肌束和外侧支持韧带的紧张,股内侧肌萎缩以及Q角(髌韧带与大腿纵轴的夹角)>15°,当小腿内旋时,股内侧肌向内牵拉髌骨,而其余三股肌肉则向外牵拉,其中最常见的原因是过度内旋后,髌骨被向外牵拉,撞击股骨外髁。
髌股关节疼痛,压轧感以及交锁是全膝置换术后不常见的症状。
Patellofemoral pain, crepitus, and locking are infrequent symptoms after total knee arthroplasty (TKA).
背景知识概要:髌股关节疼痛综合症是最常见的膝关节病变之一,可能和异常的髌骨轨迹有关。
Background: Patellofemoral pain syndrome is one of the most common knee problems and may be related to abnormal patellar tracking.
结论:健康受试者和髌股关节疼痛患者的髌股关节在膝关节大范围的动态屈曲过程中的运动不同。
Conclusions: Kinematic differences between healthy subjects and subjects with patellofemoral pain were demonstrated through a large, dynamic range of knee flexion angles.
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