Line joining ant. sup iliac spine to ischial tuberosity and passes a greater trochanter
A i.e. Nelton's line Measurment of Supratrochanteric Shoening Shoening of limb length produced above the level of trochanter (due to femoral head, neck and hip joint lesions) is known as supratrochanteric shoening. And it is measured by follwing tests.
Nelaton's line
Showmakers line
Cniene's line
Perkins line