9 results
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
FracturesFinger ... muscles of hand (finger ... adduction) OK Sign ... #Injury #UpperExtremities ... #diagnosis #neurology
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 ... ), ligamentous injury ... brachial artery injury ... #Radiology #XRay
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
anterior sail sign ... , elbow dislocation ... II-IV, pending orthopedic ... #XRay #Diagnosis ... #Management #Orthopedics
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
radial head dislocation ... Exam: swollen elbow ... posterior interosseous nerve ... syndrome, ligamentous injury ... #Radiology #XRay
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
common elbow fracture ... anterior sail sign ... anterior interosseous nerve ... brachial artery injury ... #Radiology #XRay
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
prevent radial and ulnar ... Hyperextension injury ... reduction • Splint: Finger ... Discharge with orthopedic ... IPJoint #Radiology #XRay
Froment's Sign - Ulnar Nerve Injury

Patients with compromise of the ulnar nerve will not be able
Ulnar Nerve Injury ... second and third fingers ... #Ulnar #Nerve # ... Injury #Hand #PhysicalExam ... #sports #msk #orthopedics
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
dorsally and no longer ... injuries: Carpal fracture ... radial styloid fracture ... , median nerve injury ... Carpal #Radiology #XRay
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... spared in this injury ... Anterior Shoulder Dislocation ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam