8 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
aracteristic "claw hand ... nerve in the radial ... spared in this injury ... Anterior Shoulder Dislocation ... Myotomes #diagnosis #neurology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
with the distal radius ... with the distal radius ... fracture, median nerve ... injury • ED ... #Radiology #XRay
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
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 ... Colles #Distal #Radiology ... #XRay #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 ... box, pain with wrist ... injuries: distal radius ... #XRay #Diagnosis
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
anterior interosseous nerve ... ), ligamentous injury ... brachial artery injury ... #Posterior #Radiology ... #XRay #Diagnosis
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
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
ulnar shaft with radial ... head dislocation ... posterior interosseous nerve ... syndrome, ligamentous injury ... #XRay #Diagnosis