A member asked:

At certain positions through part of the range of motion my thumb will twitch while slowly scrolling phone scree but not at rest, neurological or norm?

A doctor has provided 1 answer

Twitch: Muscles can twitch when kept in an awkward or unusual position even in the absence of neurological abnormalities. If you observe no other neuromuscular symptoms,I wouldn't worry about this.

Answered 12/24/2015

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