Fig. 2From: Effects of proximal fibular osteotomy on stress changes in mild knee osteoarthritis with varus deformity: a finite element analysisa Ten knee models were established. b PFO models were established. c Loading and boundary condition: a vertical load (N), equal to the body weight (kg) × 10 (m/s2), was applied to the proximal femur, resulting in a fully constrained condition in the kneeBack to article page