A 35-Year-Old Woman Is Evaluated in the Office Due to Left

A 35-year-old woman is evaluated in the office due to left buttock pain of 6 months duration. She has no history of previous trauma. She has no previous medical or surgical history. Physical examination shows pain upon adduction of the flexed thigh with resistance and internal rotation of the extended thigh against resistance. The evaluation shows entrapment of the sciatic nerve in the greater sciatic foramen. The greater sciatic foramen is occupied mostly by which of the following structures?

A) Coccygeus muscle
B) Gluteus minimus muscle
C) Obturator internus muscle
D) Piriformis muscle
E) Sacrospinous ligament
F) Sacrotuberous ligament

Correct Answer:

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