12 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
and Myotomes Motor ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology ... #sensory #motor ... #arm #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity Dermatomes ... sensory disturbance ... Commonly caused ... 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
Levels Spinal Root Sensory ... Motor Reflex C4 ... C6 Dorsal Thumb Wrist ... Flexion None T1 Ulnar ... #diagnosis #Neurology
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
Median Nerve Anatomy ... intrinsic motor ... and no sensory ... finger through the Ulnar ... #diagnosis #neurology
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... the back of the arm ... The first motor ... ECU are lost (which ... #diagnosis #neurology
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... The Extensor Carpi ... is the must ulnar ... the bones of the hand ... What causes ECU
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... /Sensory: • Tone ... • If ok with ICU ... Casey Albin MD @ ... #PhysicalExam #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Weakness - Lower motor ... lesion - Upper motor ... at the level of sensory ... syndromes #lesions #differential
Hand X-Ray Anatomy and Interpretation Checklist
1. Soft tissues - Look carefully at the soft tissue over
Hand X-Ray Anatomy ... and wrist joint ... ulna is also seen ... proximal to the carpal ... #XRay #Anatomy
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
/or genital sensory ... - Emergency Causes ... region (S2-S4 dermatomes ... #diagnosis #causes ... #neurology