6 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
fracture (scaphoid ... fracture, median nerve ... injury • ED ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Watson's Test for Scapholunate Instability

1) The examiner places a thumb over the scaphoid tubercle, applying dorsal
thumb over the scaphoid ... then moved from ulnar ... to radial deviation ... #video #physicalexam ... #msk
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... injuries: distal radius ... #Scaphoid #Carpal ... #Radiology #XRay ... Orthopedics #Sports #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... fracture, median nerve ... injury, acute carpal ... Distal #Radiology #XRay ... #Orthopedics #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... nerve in the radial ... spared in this injury ... Carpal Tunnel Syndrome ... sensory #motor #arm #physicalexam
Chronic distal radiocubital instability.
The function of this joint is the rotation of the forearm or pronosupination,
distal and proximal radio-ulnar ... ARCD instability ... #radioulnar #wrist ... #Wrist #msk #orthopedics ... clinical #video #physicalexam