Plank Variations for Great Abs

Plank Variations for Great Abs Plank with Alternating Leg – This is a challenging movement that will get your lower body involved while building a stronger core in the process. Begin by getting into the prone plank position with your heels up and your elbows bent with your forearms stabilized on the floor. Next, bring one leg up about one-two inches above the floor and hold for 10 seconds. Keep your leg and knee that are in the...

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