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观察了３００例脊髓灰质炎后遗畸形膝形关节Ｘ线平片。对其中２Ｏ例患者膝关节与２０倒正常人膝关节进行了运动学对比分析。对畸形膝关节股胫骨的分离式运动，压迫式运动和异常滚动三种运动方式的成固和后果的分析结果表明：三种异常的运动方式是造成股胫关节面畸形的直接动困。运用Ｘ线摄影方法对膝关节进行运动学分析能提供Ｘ线平片所不能表达的诊断信息，这对脊髓灰质炎后遗膝关节畸形及一般膝关节运动性疾患的术前疹断及术后疗效对比都有实际意义。
300 cases of poliomyelitis posterior deformity knee joint X-ray films were observed. Knee joints in 20 patients and 20 normal knee were analyzed by kinematics. The results of the analysis of the consolidation and consequences of the three types of movement of the tibial articular deformity knee joint, such as the separation movement, the compression movement and the anomalous rolling, show that the three abnormal movement modes are the direct movement distortions of the femoral shaft. Kinetic analysis of the knee using X-ray photography can provide diagnostic information that can not be expressed on plain radiographs, which is associated with postoperative poliomyelitis and postoperative ejaculation in patients with post-poliomyelitis knee deformities and general knee motility disorders Comparison of efficacy have practical significance.