12 results
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Dislocation The ... lateral epicondyle > radial ... dislocation + radial ... #XRay #Diagnosis ... #Sports #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Scapholunate Dissociation ... scapholunate dissociation ... injuries: distal radius ... #Diagnosis #Management ... #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Perilunate Dislocation ... with the distal radius ... with the distal radius ... , triquetrum), radial ... #Diagnosis #Management
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 ... #Diagnosis #Management
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
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
Dislocation Interphalangeal ... the dislocation ... ligaments (prevent radial ... #Diagnosis #Management ... #MSK
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
Anterior Shoulder Dislocation ... dislocation, 95% ... #Shoulder #Dislocation ... #Diagnosis #Management ... #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
ulnar shaft with radial ... head dislocation ... missing the radial ... head dislocation ... #Diagnosis #Management
Pediatric Elbow Injuries - Elbow Xrays

Check the fat pads on the lateral projection:
1. A displaced anterior
capitellum: a radial ... head dislocation ... The normal radius ... 2-3 cm of the radius ... the shaft of the radius
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
joints. ... roots via the posterior ... When clinically ... nerve injury ... Nerve #Anatomy #diagnosis