Palmaris Brevis Spasm Syndrome

Sweep speed = 200 ms/div; Sensitivity = 1.0mV/div

High frequency discharges with irregular occurrence at rest Spontaneous Location of activity: Isolated to palmaris brevis muscle Bilateral or unilateral None in other muscles

Sweep speed = 10 ms/div; Sensitivity = 0.2mV/div

Motor units: Normal amplitude, duration & morphology

from M. Al-Lozi

Movie
From: R Bucelli

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1/12/2016