Beevor's sign tests weakness of which muscle group?

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Multiple Choice

Beevor's sign tests weakness of which muscle group?

Explanation:
Beevor's sign targets the abdominal wall, specifically the lower portions of the abdominal muscles such as the lower rectus abdominis. The test involves having the patient perform a small sit-up or trunk flexion. If the lower abdominal muscles are weak, the upper abdominal fibers pull the abdomen upward while the weakened lower fibers can’t counterbalance, causing the umbilicus to move upward (cephalad) during flexion. This upward shift of the umbilicus indicates weakness of the abdominal wall, especially the lower abdominal muscles, making the abdominal muscle group the correct choice.

Beevor's sign targets the abdominal wall, specifically the lower portions of the abdominal muscles such as the lower rectus abdominis. The test involves having the patient perform a small sit-up or trunk flexion. If the lower abdominal muscles are weak, the upper abdominal fibers pull the abdomen upward while the weakened lower fibers can’t counterbalance, causing the umbilicus to move upward (cephalad) during flexion. This upward shift of the umbilicus indicates weakness of the abdominal wall, especially the lower abdominal muscles, making the abdominal muscle group the correct choice.

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