That's why we chatted with Rachel MacPherson, CPT, a certified personal trainer and strength and conditioning specialist, who shares five essential core moves designed to strengthen and tone your core ...

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

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

The reverse crunch is a simple core exercise that targets those hard-to-hit lower abs — without straining your neck and back.

With a half-century of hotness, Jennifer Lopez is known as much for her sculpted physique as she is for her music, movie roles, and romantic partners. Her former trainer, Jay Cardiello, revealed ...

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.

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

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

As Saladino notes, the way lots of people train their abs only ... this exercise, however, be sure to avoid working from a strict tabletop position. Instead of a totally flat back, focus on ...

When performing hamstring-focused movements: Keep your back flat throughout each exercise to protect your spine. A rounded back during hamstring exercises places excessive pressure on your lower ...

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

“J.Lo is living proof that age is not a barrier when it comes to maintaining a flat stomach and ... Rather than isolating the abs with just crunches, we used exercises that engaged her entire ...