8 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
On lateral wrist ... tea cup") which should ... , median nerve injury ... #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 ... bones should be ... • ED Management ... Orthopedics #Sports #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow ... Fractures (medial/lateral ... ), ligamentous injury ... #Dislocation #Posterior ... Orthopedics #Sports #MSK
Orthopedic Dislocations (Shoulder, Elbow and Hip) - Diagnosis and Management Summary
Shoulder Dislocation
 • Fall on the
(Shoulder, Elbow ... Diagnosis and Management ... common), Anterior, Lateral ... of dash board injury ... #Shoulder #Elbow
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
duck sign" on lateral ... duck sign" on lateral ... ulna, pain with wrist ... injuries: Perilunate dislocation ... Orthopedics #Sports #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... Jerk - C7, C8 • Biceps ... spared in this injury ... Carpal Tunnel Syndrome ... Dislocation - May
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
pads (anterior & posterior ... Tenderness to lateral ... , elbow dislocation ... fracture • ED Management ... #Orthopedics #MSK
Pediatric Elbow Injuries - Elbow Xrays

Check the fat pads on the lateral projection:
1. A displaced anterior
fat pads on the lateral ... a significant injury ... humeral line on the lateral ... radiocapitellar line on the lateral ... a radial head dislocation