ive broke my arm before, was pretty bad, my arm broke my fall on a metal grate and snapped both bones. had to have both wires and pins in my arm! was horrible. discolated my knee 3 times tho, which hurt like hell!
whe i was in school i used to kickboxing for 5 years and we used to do alot of comps i was only aboout 15 the people i was fighting were twice my size