3 Ways to a Flat Belly
Work out smart
Try a new kind of crunch. After your cardio, do this two-in-one abs-and-obliques move from David Barton Gym owner David Barton.
Here’s how: Sit so thighs and upper torso form a V shape, with lower legs crossed and lifted. Hold a 5-pound medicine ball (or dumbbell) between both hands. Swivel left to right and back, bringing ball across body while maintaining the V shape. Do 3 sets of 15 reps 3–4 times a week.
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