Fig. 3From: Patient-specific three-dimensional evaluation of interface micromotion in two different short stem designs in cementless total hip arthroplasty: a finite element analysisBoundary conditions for the finite element method in two different activities for a body weight of 50Â kg. a Single-leg stance. b Stair climbing. Red arrows and areas indicate the direction and area of load on the artificial head, respectively. The white arrows and area indicate the direction and area of tension in the greater trochanter, lesser trochanter, and gluteal tuberosity. The yellow shaded areas are fixed in all directionsBack to article page