Figure 4From: An in-vitro biomechanical study of different fixation techniques for the extended trochanteric osteotomy in revision THA The local coordinate system of the femoral bed: the origin was 6.5 cm from horizontal cut; The X-Y plane was decided by all the 6 markers on the bone. The 6 DOF of motion of the extended greater trochanter in one test was shown in the vertical tension test ( a) and the lateral tension test ( b). Back to article page