22 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 ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... - Vestibular Nerve ... Vestibulocochlear Nerve ... #differential #diagnosis ... #neurology
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
Peripheral Neuropathy ... Elbow extension ... Tension #Test #Peripheral ... physicalexam #sports #msk ... #orthopedics #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Demyelinating Disease (MS ... Tumor • Motor Nerves ... Mitochondrial myopathy, Muscular ... #differential #diagnosis ... #neurology
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT1)

To assess for Median Nerve Peripheral Neuropathy

Shoulder abduction →
Peripheral Neuropathy ... external rotation → elbow ... Tension #Test #Peripheral ... physicalexam #sports #msk ... #orthopedics #neurology
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior interosseous nerve ... syndrome • ED Management ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
anterior interosseous nerve ... fracture • ED Management ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #MSK
Causes of Hypotonic Infant (Floppy Newborn) - Differential Diagnosis Algorithm
Central Nervous System - Decreased LOC, Axial
- Differential Diagnosis ... • Spinal Muscular ... Poliomyelitis Peripheral ... Weakness - Nerves ... #Causes #Peds #Pediatrics
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... Lesions Of The Peripheral ... myopathies, the muscular ... #Differential #Diagnosis ... #neurology
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
Exam: swollen elbow ... posterior interosseous nerve ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #Proximal #MSK