11 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... Pronation - C7, C8 Wrist ... , T1 (median) Reflexes ... Myotomes #diagnosis #neurology ... #sensory #motor
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
Cord Injury by Nerve ... Levels Spinal Root Sensory ... C6 Dorsal Thumb Wrist ... None T7-T12 See Dermatomes ... differential #diagnosis #Neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity Dermatomes ... and Myotomes Reflexes ... Commonly caused ... damage to peroneal nerve ... Myotomes #diagnosis #neurology
Rossolimo's Reflex on Physical Exam - Babinski Equivalent
Rossolimo's sign is a clinical sign in which percussion
Rossolimo's Reflex ... tips of the toes causes ... #Rossolimos #Reflex ... #clinical #neurology ... #UMN #video #Pyramidal
Stransky's Sign on Physical Exam - Babinski Equivalent
Stransky's sign is a clinical sign in which vigorous
the little toe causes ... extensor plantar reflex ... #Stranskys #Reflex ... #clinical #neurology ... #UMN #video #Pyramidal
Stransky's Sign on Physical Exam - Babinski Equivalent
Stransky's sign is a clinical sign in which vigorous
the little toe causes ... extensor plantar reflex ... #Stranskys #Reflex ... #clinical #neurology ... #UMN #video #Pyramidal
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Causes progressive ... and LMN signs in ... and LMN signs to ... and LMN signs on ... EMG: LMN Signs in
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
threat Cranial Nerves ... brainstem Motor/Sensory ... • Examine for signs ... Casey Albin MD @ ... #PhysicalExam #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... and/or genital sensory ... - Emergency Causes ... region (S2-S4 dermatomes ... #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
• Symptoms and signs ... Non-compressive Spinal Cord Causes ... dysfunction • Abnormal reflexes ... : Areflexia UMN ... disorders #diagnosis #neurology