It is important to stretch before and after you exercise because if you dont you will get sore after.
Ligaments attach muscle to bone. When you bend your knee, it is the muscles that stretch.
It gets stretched.
What happens is ur skin stretches leavin stretch marks.
They do not stretch. What happens is they wear and become loose giving the perception that they have stretched.
by experiences , they go back to normal (:
they are just growing im 11 and i have stretch marks and yes they will go away
Yep, you can get it pierced with a 10ga needle. Its totally up to you whether or not you stretch a piercing so you don't have to stretch it if you dont want to.
No you can't it happens by its self
your flanges will cramp so a stretch or message is recommended