5 Moves to a Sexier Stomach

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2. Side Extension

Targets: Shoulders, core, and obliques
Stand with feet hip-width apart, knees slightly bent, holding a 1-liter bottle of water with both hands overhead, shoulders down. Lean upper body slightly forward and to the right. Hold for 2 breaths. Return to starting position; repeat on left side. Do 10 reps, alternating sides.

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