5 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Dermatomes and Myotomes ... Motor Function ... distribution with atrophy ... #diagnosis #neurology ... #arm #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... Commonly caused ... #diagnosis #neurology ... #sensory #motor ... #leg #physicalexam
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
anywhere in the CNS ... Lower motor neuron ... the differential diagnosis ... Similarly, the damaged lower ... This lesion causes
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
equina syndrome (CES ... - Emergency Causes ... • Transverse myelitis ... extremity muscle atrophy ... #causes #neurology
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
 Most common cause ... The sensory and motor ... moves rapidly from lower ... Differential diagnosis ... Multiple Sclerosis: CNS