A 27-year-old man is brought to the emergency department because of gluteal pain and difficulty walking since sustaining an injury in a football game 3 days ago. He says that he trips on the toes of his left foot. He is a running back and was cutting through the line when he felt a pop in his gluteal region on the left side and had immediate pain. Physical examination shows deep gluteal tenderness. An MRI of the injured area today shows inflammation deep to the gluteus maximus in the area of the piriformis muscle. The physician suspects that there is compression of the common fibular (peroneal) branch of the sciatic nerve as it pierces the muscle. Which of the following additional findings is most likely on examination of this patient? A) Loss of cutaneous sensation to the plantar foot B) Loss of cutaneous sensation to the posterior thigh C) Loss of eversion of the foot D) Loss of inversion of the foot E) Trendelenburg sign F) Weakened extension at the hip G) Weakened extension at the knee H) Weakened flexion at the hip
A 27-year-old man is brought to the emergency department because of gluteal pain and difficulty walking since sustaining an injury in a football game 3 days ago. He says that he trips on the toes of his left foot. He is a running back and was cutting through the line when he felt a pop in his gluteal region on the left side and had immediate pain. Physical examination shows deep gluteal tenderness. An MRI of the injured area today shows inflammation deep to the gluteus maximus in the area of the piriformis muscle. The physician suspects that there is compression of the common fibular (peroneal) branch of the sciatic nerve as it pierces the muscle. Which of the following additional findings is most likely on examination of this patient?
- A) Loss of cutaneous sensation to the plantar foot
- B) Loss of cutaneous sensation to the posterior thigh
- C) Loss of eversion of the foot
- D) Loss of inversion of the foot
- E) Trendelenburg sign
- F) Weakened extension at the hip
- G) Weakened extension at the knee
- H) Weakened flexion at the hip
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