Arm tremors? Are they normal?

What is going on with my hand? It does this for about five minutes

This is on the bottom edge of my left hand. Is it anything to

Is this normal? Or possibly POTS?

Weird bump on back of head. Had it as long as I can remember

Hey guys can u tell me in which direction is my thoracic scoliosis

Can anyone tell me what this is?

is this normal?? (De Quarvain)

Do anybody else’s calves do this. Just noticed and it’s freaking

I woke up to my right ear making this sound every 38ish seconds?

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

Inner thigh lump, feels firm, light pain when pressure is applied