6 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
box, pain with wrist ... injuries: distal radius ... fracture, scaphoid ... #Dissociation #TerryThomas ... #Wrist #Scaphoid
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
Scaphoid Fractures ... The scaphoid is ... associated injuries: Scapholunate ... fracture, associated scapholunate ... #Fracture #Wrist
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
with the distal radius ... with the distal radius ... associated injuries: Carpal ... fracture (scaphoid ... #Carpal #Radiology
Watson's Test for Scapholunate Instability

1) The examiner places a thumb over the scaphoid tubercle, applying dorsal
Watson's Test for Scapholunate ... thumb over the scaphoid ... pressure. 2) The wrist ... from ulnar to radial ... #Instability #wrist
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
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Distal Radius Fracture ... Distal radius ... variable gross wrist ... injury, acute carpal ... (TFCC injury, scapholunate
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... Pronation - C7, C8 Wrist ... Horner Syndrome Wrist ... nerve in the radial ... Carpal Tunnel Syndrome