7 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, C8 Wrist: • ... nerve in the radial ... spared in this injury ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
onto outstretched hand ... fracture, median nerve ... injury • ED ... #Carpal #Radiology ... #XRay #Diagnosis
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
onto outstretched hand ... variable gross wrist ... fracture, median nerve ... injury, acute carpal ... #XRay #Diagnosis
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
, wrist and digital ... arises from C5, C6, C7 ... nerve injury ... injury ... #diagnosis #neurology
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... onto outstretched hand ... box, pain with wrist ... injuries: distal radius ... #Radiology #XRay
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
, the facial nerve ... here by a Bell's palsy ... #CNVII #CN7 #Peripheral ... #Neurology #Diagnosis ... GrepMed Recommended Text
In this video, you see right sided atrophy, right sided deviation, and fasiculations R>L, indicating a
, indicating a peripheral ... 12th nerve palsy ... speech: cranial nerves ... the hypoglossal canal ... #CNXII #CN12 #Neurology