Recently started training submission wrestling and I noticed

Whats this thing I pulled off of the back of my head? I had to

whats this in my mouth? its clear and hurts a bit

i dont know whats going on, my eye is irritated and there like

What the F is happening to my ankles!?

Can someone help me identify PE’s?

Tiny bumps around my cuticles and nail beds

Whats this clicking?

Should my collarbone/shoulder be popping between places like

Whats going on here?

whats wrong? stiffness in this finger makes it move in a ratcheting

holy crap whats wrong with my chest