Carpal Injuries
A 35-year-old man presents 6 weeks after falling onto an outstretched hand. He has persistent dorsal wrist pain and weakness of grip. Examination reveals tenderness in the anatomical snuffbox and over the dorsal scapholunate interval. Watson's test (scaphoid shift) produces a painful clunk. Radiographs show a scapholunate gap of 5mm and a scapholunate angle of 75 degrees on the lateral view. Regarding scapholunate ligament injury:
Mark each as TRUE or FALSE
The scapholunate ligament has three parts: dorsal (strongest and most important for stability), memb...
Clinical tests include Watson's scaphoid shift test (dorsal translation of scaphoid with wrist movin...
The volar component is the strongest; VISI pattern occurs with SL injury; normal SL angle is 90 degr...
Treatment depends on chronicity and reducibility: acute injuries (less than 6 weeks) with reducible ...
Untreated SL instability leads to SLAC (scapholunate advanced collapse) wrist arthritis in a predict...
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Click T (True) or F (False) for each option