That trimmer, sculpted bottom half will be your reward for all the hills, stairs, speed intervals and lower-body drills we’ve packed into this plan. Don’t believe us? Be on the lookout for . . .
♥ Sexy calves Each time you push off the ball of your foot (that means every step), you contract that sleek, on-tiptoe look24/7.
♥ Smaller thighs Whenever you take off on uneven terrain or lengthen you stride (as in Day 3), you rely on stabilizing muscles—including you inner and outer thighs—to help you balance. Keep them working, and your legs will be toned and tight for short skirts.
♥ A firmer butt Your glutes power your stride. Hills and stairs are extra effective at zapping the jiggle.
♥ Want more? For extra calorie burn, fill your backpack with a few water bottles or wear a weighted Walkvest. And repeat the program every 14 days!
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