6 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... nerve in the radial ... Anterior Shoulder ... Dislocation - May ... #Myotomes #diagnosis
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
onto outstretched hand ... interosseous nerve ... reduction; Complex ... #Radiology #XRay ... #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
styloid fracture, median ... nerve injury, acute ... reduction using ... #Fracture #Forearm ... #Orthopedics #MSK
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder ... Shoulder Dislocation ... #Shoulder #Dislocation ... #Diagnosis #signs ... #symptoms #msk
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
styloid fracture, median ... nerve injury ... emergent reduction ... Carpal #Radiology #XRay ... #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
Exam: swollen elbow ... and forearm, limited ... Ulnar #Radiology #XRay ... #Diagnosis #Management ... #MSK