The Bottom Line: Ditch the sit-ups. These bodyweight exercises are smarter, tougher, and deliver more bang for your buck.

Discover 7 effective core exercises that go beyond basic crunches to tighten your stomach, improve posture, and enhance daily ...

Strengthening the lower abdominals can be a game-changer in achieving overall core stability and improved posture ...

Learn more about the benefits of reverse crunches, including why they are one of my go-to moves for targeting the lower abs.

The reach-through upgrades the basic side plank by adding a rotational challenge. Reaching through fires up your obliques and tests your ability to stay stable as you twist through the torso. If you ...

Lie down on the ground, and drive your lower back into the floor. Hold a light weight plate or dumbbell in both hands. Lift your legs off the floor just a few inches. At the same time, extend your ...

Why: This exercise predominantly targets the lower abs, obliques and hip flexors ... Lie with your back flat on the floor and your arms extended holding the barbell above your chest.

Leg raises are another great exercise to target those troublesome lower abs, which are tough to isolate otherwise. You don't ...

How to do it: Get on all fours with your hands under your shoulders—holding light dumbbells—and your knees under your hips.

Perform each move for 50 seconds, taking just 10 seconds of rest between each one. Complete all the moves, and then you're ...

Leg raises are a great bodyweight abs exercise for strengthening ... place your hands beneath your lower back; as you tuck, your back should flatten to your hands, and as you release to neutral ...

Learn more about the benefits of reverse crunches, including why they are one of my go-to moves for targeting the lower abs. Plus, how to perform them correctly and other exercises that will build ...