Glutes Workout for Women

15 Minute Workout: Score a Sexy Rear View

This high-octane routine blasts fat and firms your lower half—fast!

Boost Your Caboose

Your tiny two-piece may be hibernating, but that doesn't mean your workout routine should take a long winter's rest. (Search: Winter workout tips)

Get lean legs and a tight tush with this supercharged circuit inspired by the new Aspen Ascent class at Reebok Sports Club/NY. Each high-energy move strengthens and shapes your quads, glutes, hamstrings, and calves while also improving your cardiovascular endurance, core stability, balance, and agility. Which means it's the perfect prep for ski bunnies. (Related: Look hot—even when it's cold—in the best winter gear)

Get the book that teaches you how to run your butt off—literally!

"You'll be able to navigate the slopes with better balance, ski longer without fatiguing, and recover faster with less soreness," says group exercise instructor Stephanie Levinson, who created this fast-paced workout. Or just look hot while sipping cocoa in the chalet.

Video: Warm up with these slimmed-down cocktails

Three times a week, complete each exercise, moving from one to the next without rest. Repeat two or three times total. For an added challenge, hold light dumbbells to work your upper body.

Always on the run? Download free workouts for your portable media player at WomensHealthMag.com/Downloads