What's that moving under my skin?

Why does my shoulder make this noise?

Shoulder crunches

Is this a normal amount to be moving around in my sleep? Taken

Negative blood test and ultrasound, but what’s moving in my

Clicking sounds from chest+pain in left shoulder?(video)

if this ain't a worm moving around then plz tell me what else

My shoulder constantly pops/crack, should I get this looked at?

Shoulder blade popping?

Right shoulder blade pain.

How can I improve my shoulder stability after a Slap-lesion in

Hello,dislocated shoulder 2 weeks ago