Any idea what this is and how To stop or slow it? 30yo male

Any idea what this could be?

Anyone have any idea why my wrist makes this crunching sound?

Thigh twitching when resting, making it hard to sleep or sit

Tw scars my legs do this whatever temperature the water is from

Anybody have an idea what is going on here?

Anyone have any idea what this twitching on my arm is? its been

Any idea what’s wrong with my middle finger knuckle?

red knee and leg and in feet, ankles and knee. No pain. Any idea?

Any idea what this might be?

Is this a seazure only happens when im sleeping and have no idea

Anyone have any idea what this thudding sensation just below