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Extensor hallucis longus Nerve: {{c1::Deep peroneal}} Roots: {{c2:: L5 , S1::2 }}

Common peroneal cutaneous

SSEP's initiated by a repetitive {{c1::submaximal::intensity}} stimulation of a sensory nerve, mixed nerve, or dermato...

Sciatic nerve muscle innervation in the thigh peroneal (fibular) division {{c1::Short head biceps femoris}} tibial div...

MUAP Rise Time: represents the time it takes the MUAP to go from trough to the peak of the negative wave. It represe...

Musculocutaneous mono-neuropahty EDX findings : NCS: Abnormal SNAP in the {{c1::LAC}} Abnormal CMAP to the {{c2::biceps...

{{c2::Multifocal Motor Neuropathy}}: a chronic inflammatory neuropathy that presents as an {{c1::assymetric::symetric/a...

Chronology of Electrodiagnostic Findings Time: {{c1::14}} days Abnormality: {{c2::Abnormal spontaneous activity in t...

Cubital tunnel syndrome / Retro Condylar Groove EDx findings.. SNAP: Abnormal {{c1::sup. sensory (5th digit) & DUC}} fin...

Acquired Peripheral Neuropathies {{c1::Demyelinating inflammatory neuropathies}} can manifest as a polyradiculopathy

Recruitment: Early Onset With Minimal Effort (myopathies) MUAP presentation long-duration, large amplitude possible caus...

through the carpal tunnel , the median n. innervates 4 muscles, +1 cutaneous {{c1::Lumbricals (1, 2)}} {{c2::Opponens p...

Sciatic neuropathy Clinical presentation : primarily presents as weakness of {{c1::knee flexion}} and {{c1::muscles of ...

saphenous nerve course , a {{c4::pure sensory::motor/sensory/mixed}} nerve

Ulnar N. Course descends along the medial surface of the {{c1::medial head triceps}} . It runs within fascia known as...

Recording electrode falsely decreased amplitude can be due to... {{c1::active and reference electrodes too close togeth...

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Single Fiber EMG Paramters Fiber density represents the number of {{c1::single muscle fibers}} belonging to the same {{c...

Abnormal spontaneous activity from a motor neuron/axon includes: {{c1::Fasciculation potentials*}} {{c2::Myokymic disc...

diabetic amyotrophy Clinical presentation : begins with {{c1::severe unilateral pain}} in the {{c2::lumbar region}} or {...

sural n. fibers originate from branches of the {{c1::tibial}} and {{c2::common peroneal (fibular)}} nerves

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Myokymic discharges are most commonly seen in {{c1::radiated-induced neuropathy}}

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Superficial radial neuropathy: a lso known as {{c1::Wartenberg syndrome::eponym}} or {{c2::cheiralgia paresthetica}} ...

active and reference pickup should be {{c1::> 4:: >/</#}} cm apart. Less than this distance will alter the waveform p...

Acquired Neuropathies most commonly related to : {{c1::Diabetes mellitus (most common)}} {{c1::Acute inflammatory demyel...

High-Rate Repetitive Stimulation: repetitive stimulation test is performed at a rate of {{c1::10}} to {{c2::50}} Hz. It...

exertinal muscle fiber activity can be electrically recorded and summated as a {{c1::MUAP}} unlike CMAP initial deflect...

{{c3::Gluteus maximus}} Nerve: {{c1::Inferior gluteal}} Roots: {{c2:: L5 , S1 , S2 }}

NCS of demeylinating injuries Latency is typicaly {{c1::prolonged}} and Amplitude is typically {{c1::normal}}

Sinus arrhythmia study : aka {{c1::cardio-vagal innervation}} study dependent on the normal {{c2::heart rate variation...

{{c1::median SNAP {from the thumb} and superficial radial SNAP::2 EDx}} should be performed to distinguish musculocutan...

Pectoralis major and minor Nerve: {{c1::Lateral pectoral; Medial pectoral::2}} Roots: {{c2:: C5 , C6 , C7, C8 , T1...

Serratus anterior Nerve: {{c1::Long thoracic}} Roots: {{c2::C5, C6, C7::3}}

{{c1::conduction velocity}} is the speed an impulse travels along a nerve primarily dependent on the integrity of the ...

accessory peroneal (fibular) n. can be confirmed by {{c1::stimulating posterior to the lateral malleolus}}

{{c1:: Gluteus medius/min & tensor fascia ::3}} Nerve: {{c2::Superior gluteal}} Roots: {{c3:: L4 , L5 , S1::3 }}

Increased RI (Decreased RF) : is consistent with a {{c1::myopathic process}}

CTS EDX study The study of {{c1::distal segments}} of the median nerve is helpful in distinguishing CTS from {{c2::...

median-versus-ulnar comparison tests a difference of > {{c1::0.5}} msec is considered abnormal

Monopolar needle advantages (PM&R) Records more {{c1:: positive sharp waves ( more abnormal activity in general) }} a...

Extensor Digitorum Brevis

Biceps & Brachialis Nerve: {{c1::Musculocutaneous. "70% have dual radial n. (brachialis)"}} Roots: {{c2:: C5 , C6::2 }}

Peripheral Neuropathies categorized based on distribution effected they can be described as {{c1::diffuse}} or {{c1:...

Axonal Injury

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