Halle Berry's 15-Minute Strength and Cardio Circuit
Grab 2 Dumbbells, and Work Your Entire Body With Halle Berry's 15-Minute Butt-Kicking Circuit
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Grab two 10- to 30-pound dumbbells, and perform double-dumbbell skier swings for one minute. Here's how to do a dumbbell skier swing. Alternatively, you can do a kettlebell swing or a dumbbell swing.