12 results
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Elbow Flexion ... Wrist Extension ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
• Extension of wrist ... adduction) OK Sign ... - AIN (Anterior ... #Injury #UpperExtremities ... #diagnosis #neurology
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
sail sign or posterior ... interosseous nerve ... brachial artery injury ... Radiology #XRay #Diagnosis ... #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
sail sign or posterior ... fracture • ED Management ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #MSK
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Cord Syndrome -> Anterior ... #Syndromes #diagnosis ... pathophysiology #signs ... #symptoms #msk ... #orthopedics #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 ... Abdominal Reflex L2 Anterior ... #differential #diagnosis ... #Neurology #Spine
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Findings Compression/injury ... Femoral Cutaneous Nerve ... ligament (near anterior ... MeralgiaParesthetica #MSK ... #signs #symptoms
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
, neuropraxia (anterior ... interosseous nerve ... can't make A-OK sign ... Radiology #XRay #Diagnosis ... #Sports #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... spared in this injury ... Anterior Shoulder ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Bell's Palsy - Diagnosis and Management Summary - GrepMed Handbook

Acute Idiopathic Unilateral Facial Nerve (CN7) Palsy
Presentation:
Unilateral Facial Nerve ... ophthalmoplegia), systemic signs ... Imaging (if atypical symptoms ... prevent corneal injury ... #Neurology