Novel Methods for Diagnosis and Treatment of Posterolateral Rotatory Instability of the Knee

Chong Bum Chang; Sang Cheol Seong; Sahnghoon Lee; Jae Ho Yoo; Yoon Keun Park; Myung Chul Lee
October 2007
Journal of Bone & Joint Surgery, American Volume;Oct2007 Supplement 3, Vol. 89-A, p2
Academic Journal
The article focuses on the utilization of an external rotation valgus stress radiograph, a new radiographic method for the valuation and diagnosis of posterolateral rotary instability of the knee in the U.S. According to the biomechanical studies, segmenting the posterolateral corner structures has increased 30 degrees of tibia external rotation of knee flexion. It is inferred that knee instability refers to a ligament lesion which allows posterolarteral subluxation of the tibial plateu.


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