6 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
nerve in the radial ... Carpal Tunnel Syndrome ... Anterior Shoulder ... Myotomes #diagnosis #neurology ... sensory #motor #arm
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
fracture (scaphoid ... , triquetrum), radial ... styloid fracture ... , median nerve injury ... #Carpal #Radiology
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... , median nerve injury ... , acute carpal tunnel ... injury) • ED Management ... Colles #Distal #Radiology
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
, neuropraxia (anterior ... interosseous nerve ... • ED Management ... Posterior long arm ... Dislocation #Posterior #Radiology
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
capitellum (age 1), radial ... interosseous nerve ... syndrome • ED Management ... Posterior long arm ... Elbow #Humerus #Radiology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... L5/S1 with an inferior ... distinguishing feature ... MRI- Sagittal, axial ... diagnosis #causes #neurology