Sample Heavy Bag Circuit. Below, Toporovsky lays out a well-structured heavy bag circuit that combines skill work, high-intensity intervals, and active recovery.

Kerry Huntington counts out loud each punch she hurls at the speed bag in front of her, keeping her eyes trained on the ...

The Old-School Boxing Routine That Melts Fat and Builds Savage Endurance. ... It starts long before the first punch is thrown. Hours of heavy bag conditioning lay the foundation, building the ...