Fact checked by Nick Blackmer Planks are better at building core strength because they engage the deepest layer of your ab muscles.Crunches mainly target the surface abs—the “six-pack” muscles—and are ...

Stand with your feet hip-width apart and your core engaged. Place your hands lightly on your temples — remember, they should be resting, not pulling your neck during the exercise. Raise one foot off ...

Head to nearly any packed gym, and you’ll probably see at least one woman working on her core. Maybe she’s whipping out some bicycle crunches, or holding still in an impressively-long plank. There are ...

Hold a pair of dumbbells or kettlebells at shoulder height. Stand with your feet shoulder-width apart and keep your chest ...