Search:

Relax. Your mechanics look pretty good, but like one of the posters said, your shot looks flat and you need a little more arc in your shot. Forcing your shot doesn't help with that at all.

I read...

Eat a lot

Amen.

All I know is that these shoes really hurt my knees.

I think he meant foam roll?

All I know is that every time I play basketball without basketball shoes, I get really shin splints and I can't cut as hard.

I wish I could do that...

Box jumps help a lot.

You should post some videos and show us how it's done.

Flexibility will probably help, too. Try yoga or something.