9 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Possible associated injuries ... fracture, median nerve ... injury • ED ... #Wrist #Carpal ... Orthopedics #Sports #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
bones should be ... • Due to injury ... Possible associated injuries ... : distal radius ... Orthopedics #Sports #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
Distal Radius Fracture ... Distal radius ... variable gross wrist ... injury, acute carpal ... #Orthopedics #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Possible associated injuries ... anterior interosseous nerve ... ), ligamentous injury ... Posterior long arm ... Orthopedics #Sports #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
Exam: swollen elbow ... Possible associated injuries ... posterior interosseous nerve ... syndrome, ligamentous injury ... Posterior long arm
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... nerve in the radial ... spared in this injury ... Dislocation - May ... sensory #motor #arm
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
in adults and are ... Possible associated injuries ... olecranon fracture, distal ... , elbow dislocation ... #Orthopedics #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Complications are ... Possible associated injuries ... : Perilunate dislocation ... , distal radius ... Orthopedics #Sports #MSK
Pediatric Elbow Injuries - Elbow Xrays

Check the fat pads on the lateral projection:
1. A displaced anterior
Injuries - Elbow ... joint effusions are ... a significant injury ... fracture with the distal ... head dislocation