Hold this position for as long as possible or until you reach your time goal. While staying in this position, pull your stomach in like you want your bellybutton to touch your spine.

Keep your spine straight and don't look up. Your body weight should be supported by your toes and your forearms. They should be parallel with your body and your elbows should be directly below your shoulders. Get into a push-up position and rest your forearms on the ground. The stabilization that improves with planks can transfer to other movements such as squats and overhead presses.

You're not moving at all during a plank, but if you perform it correctly, your midsection will certainly feel the effects. Use these exercises during a home gym workout, during breaks while you're on a run, or as a part of a larger workout session. These are very versatile ab exercises because they can be done anywhere at any time. The way you apply them is up to you, just make sure you find ways to use them on a regular basis. Work these ab exercises into your routine one or two at a time, or devote an entire session to your core. We're going to fill your ab workout toolbox with 10 ways to develop your abs for both aesthetics and functionality.

You can use your body weight, weights, or accessories, and you can actually train abs indirectly with other activities, too. Whether you're a beginner or you've trained for years, there are plenty of ways to build up that six-pack with our list of the best ab exercises.

Download fun ab workouts