- Discussion:
- this manuever helps diagnose
SLD but the test is not specific for SLD,
because it may reposition entire proximal carpal row if row, rather than
the scaphoid;
- manipulation of scaphoid by examiner may reproduce pt's sensation of instability
or even cause subluxation of proximal pole of the scaphoid;
- dorsal displacement of proximal pole with radial deviation, with passive
radioulnar wrist movement when the scaphoid is immobilized volarly;
- as scaphoid flexes to a more vertical orientation w/ radial deviation, tuberosity
comopression forces proximal pole subluxation dorsal to lip of radius;
- Technque: (same as Scaphoid Shift)
- maneuver is performed by placing the examiner's thumb over palmar aspect
of the distal pole of the scaphoid;
- constant pressure is maintained w/ examining thumb as wrist is moved from
position of extension, ulnar deviation to flexion, radial deviation,
and back again;
-
dorsal wrist pain or a clunk may indicate instability of scapholunate ligament;
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The scaphoid shift test.
