9 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Scapholunate Dissociation ... diagnosis scapholunate dissociation ... • Due to injury ... injuries: distal radius ... #Scapholunate #Dissociation
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Perilunate Dislocation ... with the distal radius ... In perilunate dislocation ... with the distal radius ... , triquetrum), radial
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
Distal radius ... , acute carpal tunnel ... #Fracture #Forearm ... #Distal #Radiology ... #Orthopedics #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow Dislocation ... common major joint dislocation ... lateral epicondyle > radial ... triad = posterior dislocation ... + radial head fracture
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
ulnar shaft with radial ... head dislocation ... and missing the radial ... head dislocation ... #Ulnar #Radiology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Extension C6, C7, C8 (radial ... Extension - C7, C8 (radial ... damage to the radial ... nerve in the radial ... Anterior Shoulder Dislocation
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
RADIAL HEAD FRACTURE ... Radial head fractures ... non-displaced radial ... , elbow dislocation ... #RadialHead #Radius
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
commonly fractured carpal ... injuries: Perilunate dislocation ... , distal radius ... #Radiology #XRay ... Orthopedics #Sports #MSK
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
Interphalangeal Joint Dislocation ... involved and the dislocation ... ligaments (prevent radial ... (if dorsal PIP dislocation ... (if volar PIP dislocation