A knockout workout: boxing offers a unique, all-body cardio and strength-training workout. Here's how you can do it at home - Personal Trainer | Men's Fitness | Find Articles at BNET

i do the extended version of this plus add more jump roping and heavy bag rounds. and a few push ups. its very fun and releases stress. could i do it 5x a week to build some muscle and get lean? after i also do 10 mins on elliptical