Burpees: Stand shoulder-distance apart and crouch down, sending your hips back. Put your hands outside your feet and jump back, letting your chest hit the floor.
Mountain climbers: Start in a high-plank stance with wrists beneath shoulders. Pull your belly button toward your spine to tighten your core.
Turkish get-up: Lying on your side, hold one kettlebell by the handle. Roll onto your back and push the kettlebell up toward the ceiling with both hands until one weighted side is steady.
Medicine ball burpees: Hold a medicine ball with both hands while standing shoulder-distance apart. Extend the ball above and smash it down as hard as you can, hinging over and sitting back.
The sprawl—essentially a burpee on steroids—works as many muscles as possible and burns calories while sculpting and toning your upper- and lower-body, particularly your abs.
medicine ball slams are a dynamic, explosive, and highly metabolic workout that targets many muscle groups.
Overhead medicine ball slams: Stand tall with your feet hip-width apart and grasp a medicine ball with both hands. Fully stretch your arms upwards. Slam it down.
Cardio is essential for burning the fat on top of your abdominal muscles. New York City personal trainer Adam Sanfor advises working those abs even when dieting.
Penfold recommends walking five to 10 minutes on a slope or an inclined treadmill. "Your heart rate should elevate pretty quickly as you pick up your pace," she explains.