Why does my thumb sound like this? I’m not cracking my knuckles.

Why does my tricep keep uncontrollably pulsing?

why can i do this???

Thumb Spasm

Does anyone know why I keep getting bumps on my legs and bruises?

why is my thumb shaking

My wrist keeps popping in and out. I don’t know why, No pain

My wrist keeps popping in and out. I don’t know why, No pain

Can anyone tell me what this is and why I have it?

Why can I do this?

Why is this happening?

Popping shoulder ?