4 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... • Mexion - C8 (median ... Syndrome Wrist drop ... #UpperLimb #Extremity ... Myotomes #diagnosis #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... Rotary Movement Peripheral ... oscillopsia) • Otitis Media ... Bone Fracture Central ... Dizziness #Vertigo #Neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... Medical Emergency ... Neuropathy - Foot drop ... Commonly caused ... Myotomes #diagnosis #neurology
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
Nerve Palsy as cause ... for Wrist Drop ... In a central wrist ... drop, clenching ... #physicalexam #neurology