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Fig. 1 | Journal of Experimental Orthopaedics

Fig. 1

From: The difficulty of continuing sports activities after open-wedge high tibial osteotomy in patient with medial knee osteoarthritis: a retrospective case series at 2-year-minimum follow-up

Fig. 1

Radiographic evaluation (bilateral standing whole-leg radiographs), a The weight-bearing line ratio (WBL ratio). The horizontal distance from the medial edge of the tibial plateau (d), divided by the width of the tibial plateau (W), as d/W × 100%. The WBL ratio of the medial edge was regarded as 0% and the lateral edge as 100%, b Hip-knee-ankle angle (HKA), the angle formed by the mechanical axis of femur and tibia. Negative values are assigned to knees with varus alignment, c Femoro-tibial angle (FTA), d Joint line convergence angle, e Medial proximal tibial angle

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