Goals of stem placement restore medial offset restore leg length : vertical height restore femoral anteversion : average 15 degrees Medial offset Stem을 어떻게 templating하는가에 따라 결정됨 일부의 환자는 standard offset이 필요함 반면 높은 medial offset을 필요로하는 환자도 존재 The advantage of high offset = lateralizes the center of the femoral stem : greater tension on the abductor mechanism : giving greater stability to the impla..
