9 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Reflexes: • Knee ... at fibular neck ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
and Myotomes Motor ... spared in this injury ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
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 ... Spinal Root Sensory Motor ... None T7-T12 See Dermatomes ... #differential #diagnosis ... #Neurology #Spine
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Demyelinating Disease (MS ... Trauma, Tumor • Motor ... injury, Sarcoid ... #differential #diagnosis ... #neurology
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Pathogenesis and Clinical ... Findings Compression/injury ... rarely follow dermatomal ... radicular symptoms, motor ... MeralgiaParesthetica #MSK
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
abduction → neck ... #ULNT2 #ULTT2 #clinical ... #video #physicalexam ... #sports #msk #orthopedics ... #neurology #ULNT
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT1)

To assess for Median Nerve Peripheral Neuropathy

Shoulder abduction →
elbow extension → neck ... #ULNT1 #ULTT1 #clinical ... #video #physicalexam ... #sports #msk #orthopedics ... #neurology #ULNT
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Transverse Myelitis - Clinical ... Presentation: Injury ... : • Sensory, motor ... brain and/or optic nerve ... #management #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
on clinical presentation ... Fever, headache, neck ... Imaging: - MRI ... Symptoms: AMS, motor ... of the abducens nerve