Is it normal for leg muscle to twitch like this all the time?

Resting Muscle Twitches. Does anyone know why?

any idea why I get muscle spasms while resting my arm like this?

My legs constantly twitch/spasm. Does anyone know why this is

Lip muscle spasm?

Why does my upper right side chest twitch ?

Why can I do this?

Snake like muscle spasming?

Why don't all of my toes bend?

Muscle spasming

Why am I still twitching?

my hands randomly lock up and i have no clue why and was wondering