16 results
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
• Extension of wrist ... Small muscles of hand ... adduction) OK Sign ... #Injury #UpperExtremities ... #diagnosis #neurology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
onto outstretched hand ... injury • ED ... #Carpal #Radiology ... #XRay #Diagnosis ... #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
dislocation, distal radius ... #Carpal #Radiology ... #XRay #Diagnosis ... #Orthopedics #Sports ... #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... fracture, median nerve ... injury, acute carpal ... #XRay #Diagnosis ... #Orthopedics #MSK
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
finger - injury ... to ulnar collateral ... Terry thomas sign ... #Fractures #XRay ... #Radiology #Wrist
Galeazzi Fracture 
Fracture of distal radial shaft with distal radial-ulnar joint disruption. Remember “MUGR” to recall
shaft with distal radial-ulnar ... shaft with distal radial-ulnar ... will be obvious; signs ... #Radiology #XRay ... #Orthopedics #MSK
Froment's Sign - Ulnar Nerve Injury

Patients with compromise of the ulnar nerve will not be able
Ulnar Nerve Injury ... third fingers, ... #Ulnar #Nerve # ... Injury #Hand #PhysicalExam ... #sports #msk #orthopedics
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
) Finger: • Mexion ... nerve in the radial ... spared in this injury ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... onto outstretched hand ... injuries: distal radius ... #Radiology #XRay ... #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
onto outstretched hand ... posterior interosseous nerve ... syndrome, ligamentous injury ... #Radiology #XRay ... #Diagnosis #Management