17 results
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
dislocated major joint ... onto outstretched hand ... + radial head fracture ... Posterior long arm ... #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
RADIAL HEAD FRACTURE ... Radial head fractures ... in adults and are ... onto outstretched hand ... #Orthopedics #MSK
Galeazzi Fracture 
Fracture of distal radial shaft with distal radial-ulnar joint disruption. Remember “MUGR” to recall
joint disruption ... joint (DRUJ) ... wrist, limited ... Posterior long arm ... #Orthopedics #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
injuries: Carpal fracture ... styloid fracture ... injury • ED Management ... #Orthopedics #Sports ... #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Complications are ... dorsum of the hand ... injuries: Perilunate dislocation ... , distal radius ... #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
onto outstretched hand ... box, pain with wrist ... injuries: distal radius ... • ED Management ... #MSK
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
• PIP joints are ... PIP joints are ... ligaments (prevent radial ... #Hand #Orthopedics ... #MSK
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
that are inadequately ... onto outstretched hand ... • ED Management ... #Wrist #Carpal ... #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... Pronation - C7, C8 Wrist ... aracteristic "claw hand ... Anterior Shoulder Dislocation ... sensory #motor #arm
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
head dislocation ... onto outstretched hand ... Exam: swollen elbow ... Posterior long arm ... #MSK