The best core exercises don't necessarily require you to get on the floor. These seven standing variations are sure to ...

The ab rollout, even when done on your knees, is extremely effective at strengthening your core as it stabilizes your body during the movement. In this video I show a beginner ab wheel progression, ...

They're the mantras of all fitness classes, "Tighten those abs!" "Engage your core!" but do you actually know what muscles you're engaging? While "abs" and "core" tend to be used synonymously, the ...