The Capitate Apprehension Test is a diagnostic maneuver used to assess the stability of the wrist, specifically looking for signs of injury or laxity involving the capitate bone and its surrounding ligaments, most notably in cases of scapholunate instability. During the test, the examiner stabilizes the patient's forearm and wrist while applying a dorsal-to-volar (or posterior-to-anterior) force directly over the capitate, often with the wrist in slight extension and ulnar deviation. A positive test is indicated by the patient's apprehension, pain, or the feeling of instability, which suggests a subluxation or instability of the carpal bones, particularly between the scaphoid and lunate.
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