28 results
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
of elbow, wrist ... the wrist and elbow ... • Thus a PIN palsy ... #diagnosis #neurology ... #orthopedics
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
Bell's palsy There ... Nerve Palsy. ... known as Bell's palsy ... #Neurology #Signs ... #Symptoms #Diagnosis
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
anterior sail sign ... II-IV, pending orthopedic ... MetroHealth_EM #RadialHead ... #XRay #Diagnosis ... #Management #Orthopedics
Cubital Tunnel Syndrome: Pathogenesis and clinical findings

 • Paresthesia of 5th and medial half of 4th
hand and elbow ... pain • + elbow ... CubitalTunnel #Syndrome #Diagnosis ... #pathophysiology ... #signs #symptoms
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Elbow Flexion ... Elbow Extension ... C7 Radial Nerve ... MuscleGroups #MSK #Orthopedics ... #Neurology #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... Conditions Erb's Palsy ... nerve in the radial ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
lateral epicondyle > radial ... anterior interosseous nerve ... can't make A-OK sign ... dislocation + radial ... Radiology #XRay #Diagnosis
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... capitellum (age 1), radial ... anterior interosseous nerve ... can't make A-OK sign ... Radiology #XRay #Diagnosis
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
pre-axial hand ... sensory in the medial ... (AIN) palsy leaves ... #Anatomy #diagnosis ... #neurology #orthopedics
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
- Differential Diagnosis ... • CN VI palsy ... ptosis with CN Ill palsy ... • Neurologic ... symptoms suggest