7 results
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
arises from C5, C6, C7 ... nerve injury ... nerve injury ... (which provide central ... #diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
nerve in the radial ... spared in this injury ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
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 ... #Bells #Palsy # ... Neurology #Diagnosis
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
fracture, median nerve ... injury • ED ... Management: Pain control ... #Carpal #Radiology ... #XRay #Diagnosis
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
ulnar shaft with radial ... posterior interosseous nerve ... syndrome, ligamentous injury ... Posterior long arm ... #XRay #Diagnosis
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
anterior interosseous nerve ... ), ligamentous injury ... : Simple, pain control ... Posterior long arm ... #XRay #Diagnosis
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
capitellum (age 1), radial ... anterior interosseous nerve ... brachial artery injury ... Posterior long arm ... #XRay #Diagnosis