11 Moves to A Killer Core

Leave out those boring, stale crunches and mix up your ab routine with some of our favorite stomach tightening, core strengthening moves. Create your own routine by picking and choosing from the moves below, shooting for a 10 to 15-minute long session. Pair this with healthy eating, and all you need to see a real difference in your waistline are two to three sessions per week (on non-consecutive days).

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