What is going on with my thumb? Been doing this all day..

Lip muscle spasm?

Is this left chest spasm something I should be concerned over?

Can someone tell me what’s going on with my thumb?

Thumb twitching and constant shooting pain

Weird chest spasm!?

What's wrong with my thumb?

Thumb muscle twitching even intervals

Am I missing a thumb ligament or something

Son seems to have a tremor/spasm/twitch randomly. Concerning?

29M, Thumb Tremor for 6 Years – Desperate for Answers

Lump at base of thumb