16 results
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
Median Nerve Tension ... → shoulder external ... #Peripheral #Nerve ... physicalexam #sports #msk ... #orthopedics #neurology
Critical and Emergent Causes of Neuromuscular Weakness
CRITICAL DIAGNOSES 
 - Cerebral cortex or subcortical 
 -
Neuromuscular Weakness ... nerve - Neuromuscular ... nerve - Muscle ... #Differential # ... Neurology #Causes
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT1)

To assess for Median Nerve Peripheral Neuropathy

Shoulder abduction →
Median Nerve Tension ... Peripheral Neuropathy ... #Peripheral #Nerve ... physicalexam #sports #msk ... #orthopedics #neurology
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
- Differential ... Forehead involved = Peripheral ... lesion - Bilateral ... (2% of facial nerve ... Algorithm #Causes #neurology
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
Innervation of Muscles Shoulder ... Shoulder Adduction ... Elbow Extension ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... Anterior Shoulder ... Dislocation - May ... anesthesia and deltoid weakness ... Myotomes #diagnosis #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Neuromuscular Weakness ... Demyelinating Disease (MS ... Tumor • Motor Nerves ... #Causes #differential ... #diagnosis #neurology
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
Lesions Facial weakness ... , the facial nerve ... A peripheral lesion ... Central #Facial #Nerve ... #Bells #Palsy #Neurology
Neuro-OphthaImoIogy - Visual Field Defects - Localization Map
 - Optic Nerve Lesion (Monocular vision loss)
 -
Map - Optic Nerve ... • Optic nerve ... Infection • MS ... NeuroOphthaImoIogy #Neurology ... #Differential #
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Lesions Of The Peripheral ... Mononeuropathy: Nerve ... #Differential # ... Diagnosis #neurology