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. Piriformis
B. Quadratus lumborum
C. Adductor longus
D. Sacrospinalis
E. Tibialis posterior
Answer: A
Anatomy & Physiology
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