Figure 3From: Sciatic nerve course in adult patients with unilateral developmental dysplasia of the hip: implications for hip surgerySchematic measurement of the sciatic nerve’s orientation in the horizontal plane crossing the top of the greater trochanter. SM horizontal distance between the sciatic nerve and pelvic midlineSI linear distance between the sciatic nerve and the trailing edge of the ischium SP horizontal distance between the sciatic nerve and the trailing edge of the ischium PI perpendicular distance between the sciatic nerve and the trailing edge of the ischium ST linear distance between the sciatic nerve and the trailing edge of the greater trochanter SR horizontal distance between the sciatic nerve and the trailing edge of the greater trochanter RT perpendicular distance between the sciatic nerve and the trailing edge of the greater trochanter.Back to article page