Hit the Spot: Exercices de tonification avec une balle

It’s time to target the trouble zones you may have been trying to camouflage. To get the job done, try using a squishy ball, like the Spri Sponge Ball ($10, spri.com) or a slightly deflated soccer ball. « You’re more aware of your form when balancing a ball under your foot or behind your leg, » says Lauren Boggi, the founder of Lithe Method, a group of cheerleading-inspired studios in New York City and Philadelphia. Her six firmer-uppers on the next page target your arms, abs, butt, and thighs, so you get strong and lean all over. Now that’s something to cheer about!

Watch the workout video