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When it comes to all around sex appeal, a woman's stomach is certaintly key. Thankfully these women have their abs locked in place.
Already working hard but not getting results? Try this.
Jack up and build mental toughness like Mac Danzig with our UFC-inspired dumbbell workouts.
Sculpt Your Summer Body
Forget that version of the situp you performed in grade school
Give your workout a lift with this core-building move