Total hip arthroplasty for sequelae of childhood hip disorders: Current review of management to achieve hip centre restoration

Figure 7 Infratrochanteric shortening: The relationship between the head of the femur and greater trochanter is maintained while the lesser trochanter is above the level of the teardrop (indicated by the arrows). A: Both hips; B: Left hip. Restoration of the hip centre would require identification of the true acetabulum, acetabular centre restoration, and sub trochanteric shortening would almost certainly be required.