Plié squatTargets the glutes (bottom), inner thighs, and the abs
Stand up straight, with your legs shoulder-width apart and your toes turned out like a duck's.
If you want, hold your baby (with both arms) close to your chest, keeping your shoulders down and back. Your baby will add extra resistance.
Contract your abdominal muscles, then bend your knees at an almost 90-degree angle to squat (or plié) down. Hold for a few seconds.
Be careful not to lean forward. Instead, keep your back flat and stomach in.
Straighten back up, and repeat the squat.
Do 2 to 3 sets of 10 to 15 repetitions.
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Sources: Debbie Rocker, fitness expert and author of Training for Life, and Valerie Waters, certified personal trainer.