22 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Wrist drop - Occurs ... nerve in the radial ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... - Radial Nerve Palsy ... #Radial #Nerve ... #clinical #video ... #msk #sports #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Palsy • CN IV ... palsyMedial ... One-and-a-half Syndrome ... ophthalmology #neurology ... #differential #diagnosis
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
When clinically ... • Thus a PIN palsy ... involve a wrist drop ... palsy recovers there ... #diagnosis #neurology
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
Nerve • Ptosis ... comparison to Horner's syndrome ... inferior rectus, medial ... #Cranial #neurology ... #diagnosis
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
Nerve Palsy as ... nerve palsy with ... nerve palsy. ... #Nerve #Palsy # ... Drop #clinical #
“Wrist drop” deformity due to radial nerve palsy – the patient cannot extend their wrist or
“Wrist drop” deformity ... due to radial nerve ... palsy – the patient ... wrist or fingers #Clinical ... #Photo #WristDrop
Ulnar Nerve Anatomy and Function
The Ulnar nerve is the nerve of hand power and control. It
the LOAF of the median ... trunk and the medial ... When clinically ... #Anatomy #diagnosis ... #neurology #orthopedics
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Algorithm Clinical ... • CN VI palsy ... ptosis with CN Ill palsy ... • Neurologic ... depress when looking medially
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... Medical Emergency ... Neuropathy - Foot drop ... damage to peroneal nerve ... #neurology #sensory