A Skateboarder Falls and Lands Directly on His Buttocks and Lower

Multiple Choice

A skateboarder falls and lands directly on his buttocks and lower back.He does not feel much pain and continues skating.After a couple of days he begins experiencing right hip pain and notices his right foot and leg are rotated to the right.A doctor diagnoses a muscle spasm.Which of the following muscles is most likely causing the leg and foot rotation?

A) Quadratus lumborum
B) Tibialis posterior
C) Piriformis
D) Adductor longus
E) Sacrospinalis