Electromyography Findings For Normal And Denervated Muscles

Electromyography Findings for Normal and Denervated Muscles

Electromyography Findings	Normal	Acute Denervation	Chronic Denervation/Reinnervation
Spontaneous activity	None	Fibrillations, positive sharp waves	None
Motor unit action potential morphology	Normal	Normal	Large amplitude, long duration, variable increased polyphasia
Recruitment	Normal or full recruitment	Reduced recruitment	Reduced recruitment