Muscle twitching (fasciculations) in arms
What is muscle twitching (fasciculations) in arms?
A fasciculation (or "muscle twitch") is a small, local, involuntary muscle contraction visible under the skin arising from the spontaneous discharge of a bundle of skeletal muscle fibres. Fasciculations have a variety of causes, mostly benign, but can also be due to disease of the motor neurons.
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It gives you a sense of how the disease is changing over time with many many symptoms."PatientsLikeMe member bkincaid
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