We hit the hottest beaches around to bring you the flat-belly secrets behind the sleekest physiques.
Trainer: Beach-volleyball pro Angie Akers
Targets: Back, shoulders, triceps, and abs
- Lie faceup on floor with knees bent, feet flat, holding a single dumbbell with both hands so that arms are extended directly behind head.
- MAKE IT EASIER: Do move without dumbbell or have a partner hold your feet.
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