17 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology ... #sensory #motor ... #arm #physicalexam
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... Differential Diagnosis Algorithm ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology ... #Causes
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Myotomes Reflexes ... • Cauda Equina Syndrome ... Commonly caused ... Myotomes #diagnosis #neurology ... #leg #physicalexam
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
Carpal tunnel ... thumb do not flex ... exam to carpal ... Anatomy #diagnosis #neurology ... #orthopedics
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Sensory loss below ... clumsiness in hands ... rectal reflex. ... symptoms #msk #orthopedics ... #neurology
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Weakness without Sensory ... Motor Neuron and ... Lambert-Eaton Myasthenic Syndrome ... Peripheral #Weakness #Neurology
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 ... sensory disturbances ... differential #diagnosis #causes ... #neurology
Phalen's Test for Carpal Tunnel Syndrome

Phalen's test evaluates for carpal tunnel syndrome. 
Fully flex wrists and
Fully flex wrists ... and adduct dorsal ... surfaces of hands ... #Wrist #PhysicalExam ... #sports #msk #orthopedics
Phalen's Test for Carpal Tunnel Syndrome

Phalen's test evaluates for carpal tunnel syndrome. 
Fully flex wrists and
Fully flex wrists ... and adduct dorsal ... surfaces of hands ... #Wrist #PhysicalExam ... #sports #msk #orthopedics
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... at the level of sensory ... involved) - Tendon reflex ... in deep tendon reflexes ... paralysis - Sensory