Beevor's sign is a test of abdominal musculature. Which muscle group is primarily evaluated?

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Study for the NATA BOC Domain 2 Clinical Evaluation and Diagnosis Test. Utilize our comprehensive flashcards and multiple-choice quiz features; each question comes with hints and thorough explanations. Prepare effectively for your certification exam!

Multiple Choice

Beevor's sign is a test of abdominal musculature. Which muscle group is primarily evaluated?

Explanation:
Beevor's sign assesses the abdominal wall. When a person flexes the trunk, the upper abdominal muscles pull the umbilicus upward if the lower part of the rectus abdominis is weak (often from a thoracic spinal cord lesion). The outward movement of the umbilicus during this maneuver indicates abdominal musculature integrity, specifically the lower rectus abdominis. The test does not primarily evaluate back muscles, hip flexors, or intercostal muscles, so the best answer is the abdominal muscles.

Beevor's sign assesses the abdominal wall. When a person flexes the trunk, the upper abdominal muscles pull the umbilicus upward if the lower part of the rectus abdominis is weak (often from a thoracic spinal cord lesion). The outward movement of the umbilicus during this maneuver indicates abdominal musculature integrity, specifically the lower rectus abdominis. The test does not primarily evaluate back muscles, hip flexors, or intercostal muscles, so the best answer is the abdominal muscles.

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