Jumping makes you higher because it strengthens your bones and spreads your calcium to other parts of your body. But doing too much jumping can hurt your leg.

If you're male then wait for growth spurt. It'll come eventually. But I don't garuntee anything if you're female.

I also play basketball but I'm exactly 5'0. I'll turn fourteen in about three days.

I've never heard of that . Maybe maybe not . Try googling it

Builds up your calves.

No

no, it can not.