Professional sportsmen have to train a lot, so no wonder why sometimes their organisms fail to perform their basic functions. Of course, it's always a problem when your body doesn't obey you, but on the other hand it looks absolutely hilarious. Just have a look at this karateka - his leg seems to live its own life, moreover, it looks like a feeler, not like a leg! And it acts the accordingly. Watch this incredible karate match where 1 simple leg steals all your attention!