Apprehension Test helps distinguish which instability patterns?

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Multiple Choice

Apprehension Test helps distinguish which instability patterns?

Explanation:
The Apprehension Test in the wrist is used to assess instability between the carpal bones, specifically looking at how the lunate moves when the surrounding ligaments are stressed. When the scapholunate ligament is torn, the scaphoid loses support and the lunate tends to tilt dorsally, producing the DISI pattern. If the lunotriquetral ligament is torn, the lunate loses its palmar support and tilts ventrally, creating the VISI pattern. By provoking the carpal complex and noting the direction of the lunate’s tilt and the patient’s reaction, this test helps distinguish between these two intercarpal instability patterns.

The Apprehension Test in the wrist is used to assess instability between the carpal bones, specifically looking at how the lunate moves when the surrounding ligaments are stressed. When the scapholunate ligament is torn, the scaphoid loses support and the lunate tends to tilt dorsally, producing the DISI pattern. If the lunotriquetral ligament is torn, the lunate loses its palmar support and tilts ventrally, creating the VISI pattern. By provoking the carpal complex and noting the direction of the lunate’s tilt and the patient’s reaction, this test helps distinguish between these two intercarpal instability patterns.

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