These exercises stress and strengthen muscle groups throughout the upper body, lower body, and torso. The full workout (see step-by-step instructions below) also provides a compressed but intense interval-style endurance workout. Anyone who completes multiple push-up-to-row-to-burpee movements in 60 seconds (Exercise 3) will raise his or her heart rate substantially. The subsequent 30 seconds of side bridges (Exercise 4) provide a brief aerobic respite before the aerobically demanding Exercise 5 (single-leg Romanian dead lift to curl to press). Read more...