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Fig. 2 | BMC Musculoskeletal Disorders

Fig. 2

From: Association between changes in hip-knee-ankle angle and hindfoot alignment after total knee arthroplasty for varus knee osteoarthritis

Fig. 2

HKA angle measurement on a full-leg standing anteroposterior (AP) radiograph. HKA angle(a) was defined as the angle formed by the intersection of a line drawn from the center of the femoral head to the intercondylar fossa of the distal femur (green line) and a line drawn from the intercondylar spine of the proximal tibia to the center of the ankle joint (white line)

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