Yestarday at gymnastics, i think i might have hyper-extended my knee, but i am not sure. I was doing front handspring front tucks on the tumble trak and landed with stiff legs i guess, and it felt like me knee hyper-extended a little bit. But after that, i kept tumbling and did vault and everything and it just stopped hurting and i forgot about it. But when i got home, it started hurting again, and so i put ice on it. Now, when i woke up in the morning, it still hurts, but not as bad. It hurts like, on the outside of my left knee. Does anyone know what this is or what is could be from? What can i do to make it stop hurting? I have gym again today, so should i still tumble on it, even if it isn't hurting then??