LOUD, thumb twitching, have lump in upper arm thats painful to

Right middle finger twitching nonstop for days? Could it be muscle

Muscle under eye twitching.

left thumb twitching, while finger is bend. happens like once

Muscle weakness, pain and twitching

Left eye lid twitching

Muscle twitching

Thumb twitching after flexing

Thumb Twitching

Persistent thumb twitching

Thumb keeps twitching

Disruptive muscle twitching: one of now many simultaneous little