5 results
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
The proximal carpal ... extensors (ECU, ... ECRB) The distal carpal ... with an audible “clunk ... #Wrist #msk #orthopedics
Watson's Test for Scapholunate Instability

1) The examiner places a thumb over the scaphoid tubercle, applying dorsal
thumb over the scaphoid ... Interpretation: A painful clunk ... #physicalexam #orthopedics ... #sports #scaphoid ... #msk
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
instability and ... follow-up with Orthopedics ... #Fracture #Wrist ... #Carpal #Radiology ... #Sports #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
box, pain with wrist ... #TerryThomas #Wrist ... #Scaphoid #Carpal ... #Radiology #XRay ... #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
associated injuries: Carpal ... fracture (scaphoid ... Disposition: Pending orthopedic ... #Carpal #Radiology ... #Sports #MSK