14 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Extension C6, C7, C8 (radial ... Extension - C7, C8 (radial ... Extension - C7, C8 (radial ... damage to the radial ... nerve in the radial
Bell's Palsy
Bell’s Palsy is a damage, acute weakness, or paralysis of the Facial nerve (7th CN),
Bell's Palsy Bell ... nerve (7th CN), ... Bell’s palsy happens ... #Palsy #neurology ... #anatomy #pathophysiology
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
Bell's palsy There ... many different causes ... of Facial Nerve ... #Palsy #Neurology ... Signs #Symptoms #Diagnosis
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... of elbow, wrist ... the wrist and elbow ... #Nerve #Anatomy ... #diagnosis #neurology
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Named based on anatomic ... epicondyle > radial ... anterior interosseous nerve ... dislocation + radial ... #Diagnosis #Management
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... - Differential Diagnosis ... nerve palsy) ... - Unilateral: Bell's ... #neurology #sparing
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Cord Injury by Nerve ... Respiration None C5 Radial ... None T7-T12 See Dermatomes ... #differential #diagnosis ... #Neurology #Spine
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
common elbow fracture ... capitellum (age 1), radial ... anterior interosseous nerve ... #Radiology #XRay ... #Diagnosis #Management
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
ulnar shaft with radial ... and missing the radial ... Exam: swollen elbow ... Ulnar #Radiology #XRay ... #Diagnosis #Management
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• CN VI palsy ... ptosis with CN Ill palsy ... • Neurologic ... a mass as the cause ... Orbital Floor Fracture