20 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... onto outstretched hand ... associated injuries: distal ... #Radiology #XRay ... #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
fracture, median nerve ... injury • ED ... #Wrist #Carpal ... #Radiology #XRay ... #Sports #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... Complications are ... injuries: Perilunate dislocation ... #Carpal #Radiology ... #Sports #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
onto outstretched hand ... variable gross wrist ... injury, acute carpal ... #Radiology #XRay ... #MSK
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
scaphoid entering distally ... fractures that are ... Scaphoid #Fracture #Wrist ... #Carpal #Radiology ... #Sports #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
anterior interosseous nerve ... can't make A-OK sign ... Posterior long arm ... #Posterior #Radiology ... #Sports #MSK
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
, wrist and digital ... injury ... injury ... drop: ECRB and ... diagnosis #neurology #orthopedics
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
rotated, extended arm ... injuries: Axillary nerve ... #Anterior #Radiology ... Diagnosis #Management #Orthopedics ... #Sports #MSK
OK Sign - Interosseous Nerve Injury

Patients with compromise of anterior interosseous nerve will not be able
Nerve Injury ... OK signs are seen ... #Injury #Finger ... #Hand #PhysicalExam ... #sports #msk #orthopedics
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
drop - Occurs after ... spared in this injury ... Carpal Tunnel Syndrome ... Anterior Shoulder Dislocation ... sensory #motor #arm