Get your whole body working with one of Hood's circuits: Pace off a distance of 25 feet. Perform 10 squats, then do a walking lunge for 25 feet. Follow up with nine push-ups and lunge back. Then do eight squats, lunge, and follow with seven push-ups. Continue until you reach one push-up.EQUIPMENT
4-7 pound D-ball, D-Ball, $55; d-ball.com
"To make the circuit more of a challenge you can carry a d-ball with you or overhead," says Hood.