7 results
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
The proximal carpal ... performed, the large bone ... with an audible “clunk ... #Wrist #msk #orthopedics ... #clinical #video
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
bone. ... instability and ... #Fracture #Wrist ... #Carpal #Radiology ... #Sports #MSK
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Bone Fractures ... by Frequency • Scaphoid ... #wrist #frequency ... #radiology #msk ... #orthopedics #diagnosis
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 ... #wrist #clinical ... #orthopedics #sports ... #scaphoid #msk
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
bones should be ... bones should be ... #Scaphoid #Carpal ... #Radiology #XRay ... #Sports #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
bone. ... bone fracture ... #Carpal #Radiology ... #XRay #Diagnosis ... #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
associated injuries: Carpal ... fracture (scaphoid ... #Carpal #Radiology ... #XRay #Diagnosis ... #Sports #MSK