If you've been training for a few years, chances are you're no longer able to do all your favorite lifts, due to injury or age. But there's no excuse to bail on hard training entirely. Instead, with a few exercise substitutions, you can continue to challenge yourself, build muscle, and burn off the fat to see your abs inside of a month. Last time, we took you through a leg workout. In this video: The chest and shoulder workout of this full-body regimen.
