10 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Dermatomes and Myotomes ... Motor Function ... - C6, C7, C8 Elbow ... Triceps power is ... #diagnosis #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... Dermatomes and Myotomes ... Commonly caused ... #diagnosis #neurology ... #sensory #motor
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease (MS ... Trauma, Tumor • Motor ... Mitochondrial myopathy, Muscular ... differential #diagnosis #neurology
Gowers' Sign on Physical Exam

Caused by proximal muscle weakness typically seen in muscular dystrophy

#Gowers #Sign #PhysicalExam
Gowers' Sign on ... Physical Exam Caused ... dystrophy #Gowers ... #PhysicalExam #neurology ... clinical #video #pediatrics
Causes of Low Back Pain - Differential Diagnosis
Intrinsic Spine: Lumbar strain, Herniated nucleus pulposus, Compression fracture,
Causes of Low Back ... Referred: • Vascular ... cholecystitis; • Neurologic ... BrighamChiefs #Lower ... #primarycare #msk
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
injury, often from vascular ... Complete loss of motor ... Mixed upper and lower ... signs #symptoms #msk ... #orthopedics #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Disease of motor ... - Causes progressive ... 4) progressive muscular ... Upper extremity, lower ... Lateral #Sclerosis #neurology
Causes of Dysarthria - Differential Diagnosis Algorithm
Lower Motor Neuron - Slow, Low Volume, Breathy Speech, Tongue
Causes of Dysarthria ... Diagnosis Algorithm Lower ... Myasthenia Gravis • Muscular ... #Dysarthria #Neurology ... Diagnosis #Algorithm #Causes
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Sensory and/or motor ... pulse deficits vascular ... affects the skin, neurologic ... cognitive impairment, neurologic ... tract, and often causes
Reflexes - Deep Tendon Reflexes on Newborn Physical Exam 
Testing deep tendon reflexes is an important
flexed at the elbow ... motor neuron disorder ... hypotonia and the cause ... is an upper motor ... #video #peds #pediatrics