Boxing's Most Insane Workout Regimens

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Boxing's Most Insane Workout Regimens
Ethan Miller/Getty Images

Boxing is a sport that takes a brutal toll on the body. To simply shadowbox or strike a heavy bag for 12 three-minute rounds is a terrific workout, especially if you are engaging your core muscles to deliver proper punches. 

To do it while a skilled opponent is intent on breaking your body completely down is a punishing game to play.

So training is everything for a boxer. As in any sport, winning or losing comes down to training again and again.

But for boxers, not just victory depends upon training. Sometimes their lives do, too.

So all boxers train hard. Insane, as the cross-fitters like to say about themselves on Facebook.



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