Hyperextension
Studio Teachers: make sure not to hyperextend your knees - that's the worst thing you can do to them. Your knees are incredibly delicate and unstable; you don't want to damage them.
Tumblr: fRICK YEAH. LOOK AT THAT HYPEREXTENSION. I WISH I HAD HER LEGS THOSE LINES OH MAH GOSH JESUS WHYY














