8 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Dermatomes and Myotomes ... Triceps power is ... spared in this injury ... #diagnosis #neurology
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Injuries Rock - Median ... • Extension of wrist ... adduction) OK Sign ... #Injury #UpperExtremities ... #diagnosis #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... Dermatomes and Myotomes ... Medical Emergency ... damage to peroneal nerve ... #diagnosis #neurology
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
by Nerve Root Levels ... C6 Dorsal Thumb Wrist ... None T7-T12 See Dermatomes ... #differential #diagnosis ... #Neurology #Spine
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Mixed upper and lower ... #Syndromes #diagnosis ... pathophysiology #signs ... #symptoms #msk ... #orthopedics #neurology
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Findings Compression/injury ... rarely follow dermatomal ... must be absent: lower ... MeralgiaParesthetica #MSK ... #signs #symptoms
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
legs over medial ... associated with signs ... Lichen planus - Wrists ... site of previous injury ... #differential #diagnosis
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
segment: Upper extremity ... , lower extremity ... - Medical time ... activity between nerve ... Lateral #Sclerosis #neurology