What is my hand doing?

Can anyone explain what I'm doing?

Should I see a doctor or physical therapist about my knee doing

My eye has been doing this for two weeks and it bothers me so

my nails have water and blood under them after doing my nails!

Thumb Spasm

Calves have been doing this my entire life

Help! Swollen thumb

24m 190 pounds - My arm is doing this thing (video)

6 month old started doing this strange behavior over the last

Why is my niece doing that, it happens to her one in each day

Thumb keeps twitching