7 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity Dermatomes ... Reflexes: • Knee ... Commonly caused ... Myotomes #diagnosis #neurology ... #sensory #motor
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... Anterior Shoulder ... Myotomes #diagnosis #neurology ... #sensory #motor ... #arm #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
Levels Spinal Root Sensory ... None T7-T12 See Dermatomes ... Abdominal Reflex L2 Anterior ... Femoral Condyle Knee ... differential #diagnosis #Neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Causes of spinal ... at the level of sensory ... paralysis - Sensory ... differential #diagnosis #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
L5/S1 with an inferior ... and/or genital sensory ... - Emergency Causes ... region (S2-S4 dermatomes ... #neurology
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
soles in 50% of cases ... manifestations including anterior ... have positive serology ... dorsal columns and sensory ... -Gumma are ulcerating
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Psoriasis - Elbows, knees ... Extensor surfaces of arms ... honey-colored crusts ... Herpes zoster - Dermatomal ... Trunk, especially anterior