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.
我们假设髌股关节疼痛患者的髌骨运动轨迹模式具有不同于健康受试者的特征性改变，并对此进行了验证。
We tested the hypothesis that patients with patellofemoral pain exhibit characteristic patterns of patellar tracking that are different from those of healthy subjects.
本文还探讨了髌股关节疼痛综合症中髌骨运动中的生物力学、髌骨稳定因素、发生不稳定的可能机制以及治疗方法。
It is also discussed that biomechanics of patellar motion, factors influencing patellar stability, as well as mechanism and therapy of instability in the patellofemoral pain syndrome.
概述过去十年作者在实验室进行有关髌股关节及髌股关节疼痛综合征（PFPS）的研究，研究了正常人髌股关节的几个指标及PFPS患者的康复成效。
This paper summarizes the series of studies on patellofemoral joint and patellofemoral pain syndrome (PFPS) conducted in our laboratory in the past ten years.
临床症状以髌股关节钝痛为特点，疼痛位置不易确定，髌股关节负荷过度的活动会使疼痛加重。
The clinical symptoms were characteristically dull pain, poorly localized, and increased by activities that overload the patellofemoral joint.
临床症状以髌股关节钝痛为特点，疼痛位置不易确定，髌股关节负荷过度的活动会使疼痛加重。
The clinical symptoms were characteristically dull pain, poorly localized, and increased by activities that overload the patellofemoral joint.
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