"Maximize Your Bodyweight Workouts with Pushup Power Plan PD"

Pushups are the most efficient exercise for time-strapped guys who want to shape up. This do-anywhere, no-equipment-required move works your arms and shoulders; strengthens your back, core, and chest; and also tones your butt and legs. A recent Canadian study shows that adding pushups to your regular fitness regimen is a highly effective way to train your abs too.