a: Usual relationships with the sciatic nerve passing from the pelvis beneath
M. Piriformis
b: M. Piriformis divided into two parts with the peroneal division of the sciatic nerve passing between the two parts of Piriformis
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| Figure 6: Number of extremities studied-1510. a: Usual relationships with the sciatic nerve passing from the pelvis beneath M. Piriformis b: M. Piriformis divided into two parts with the peroneal division of the sciatic nerve passing between the two parts of Piriformis |
