3 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
pain, sciatica, saddle ... Commonly caused ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam
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
Root Sensory Motor ... Reflex C7 Dorsal Middle ... None T7-T12 See Dermatomes ... #differential #diagnosis ... #Neurology #Spine
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
roots of lumbar spine ... Involves lumbar spine ... sexual dysfunction SPINE ... region (S2-S4 dermatomes ... #causes #neurology