9 results
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
The proximal carpal ... ECU, ECRB) The distal ... carpal row returns ... with an audible “clunk ... #Wrist #msk #orthopedics
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
articulate with the distal ... articulates with the distal ... associated injuries: Carpal ... #Carpal #Radiology ... #Sports #MSK
Watson's Test for Scapholunate Instability

1) The examiner places a thumb over the scaphoid tubercle, applying dorsal
from ulnar to radial ... Interpretation: A painful clunk ... #physicalexam #orthopedics ... #sports #scaphoid ... #msk
Amsterdam Wrist Rules
Rules that dictate which patients require imaging based on the likelihood of wrist fracture
after any trauma DISTAL ... RADIUS FRACTURES ... Painful balottement test ... fracture #radiology ... #msk #orthopedics
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 ... #Radiology #XRay ... #MSK
Jerk Test for Glenohumeral Joint Posteroinferior Instability

The arm is held at 90 degrees abduction and internal
Jerk Test for Glenohumeral ... Posteroinferior Instability ... /clunk as it returns ... physicalexam #shoulder #msk ... #orthopedics #sports
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
pain with wrist ... radius or ulna ... Discharge with orthopedic ... #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 ... associated injuries: distal ... radius fracture ... #Radiology #XRay ... #Sports #MSK
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
scaphoid entering distally ... instability and ... Scaphoid #Fracture #Wrist ... #Carpal #Radiology ... #Sports #MSK