10 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 ... Elbow Extension ... C7 Radial Nerve ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Brain stem/Cranial nerve ... - Repetitive nerve ... immunologic assay - MuSK ... Gravis #diagnosis #management ... #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Demyelinating Disease (MS ... Tumor • Motor Nerves ... multiplex, Phrenic nerve ... Eaton Syndrome, Myasthenia ... differential #diagnosis #neurology
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
Supracondylar Elbow ... anterior interosseous nerve ... syndrome • ED Management ... XRay #Diagnosis #Management ... #Orthopedics #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow ... anterior interosseous nerve ... fracture • ED Management ... XRay #Diagnosis #Management ... Orthopedics #Sports #MSK
Myasthenia Gravis - Summary
 • an autoimmune disease of the postsynaptic neuromuscular junction associated with antibodies
Myasthenia Gravis ... anti—muscle-specific kinase (MuSK ... antibodies - MuSK-positive ... Gravis #diagnosis #management ... #neurology #treatment
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
Exam: swollen elbow ... posterior interosseous nerve ... • Nonoperative managernent ... XRay #Diagnosis #Management ... Orthopedics #Proximal #MSK
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
Median Nerve Tension ... assess for Median Nerve ... Neuropathy Elbow ... physicalexam #sports #msk ... #orthopedics #neurology
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT1)

To assess for Median Nerve Peripheral Neuropathy

Shoulder abduction →
Median Nerve Tension ... assess for Median Nerve ... external rotation → elbow ... physicalexam #sports #msk ... #orthopedics #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
10-33% develop MS ... Predictive of MS ... brain and/or optic nerve ... Myelitis #diagnosis #management ... #neurology #differential