injury risk

Hello, I am a thirteen year old black belt in multiple styles such as Kickboxing Jujitsu MMA and Karate. Last night I was boxing when I took a hard uppercut below the belt line (my floating rib and ribs above) And I didn't feel the pain at first, but now I feel it hard. Breathing hurts, I feel...

I have been hit in the side of the ribs before (by a gloved sparring partner) and it feels like everything in my chest is being compressed. What is actually happening to the body? Now this is only at partial force, and by someone who is wearing gloves. What happens when someone is punched in the...

I'd like to start out by saying I'm only trained in TKD past the white belt. My instructor never went over high kicks unless they were round house kicks, reverse round house kicks or side kicks. So I've never been sure if i should use the ball of the foot, the top or the heel when throwing a...