From a push-up position with a kettlebell, dumbbell or some other weight in one hand, reach under the opposite arm and hold ...

That's right—we're talking about the torso rotation machine. This is the Chubby Checker–inspired ab machine you sit in to do ...

How to do a side plank: Dead bug is the perfect beginner-friendly ab-building exercise to try if you don’t have any equipment. Try to keep your back flat and your head on the floor throughout ...

These four simple home exercises deliver better muscle activation, functional strength, and fat loss than expensive gym equipment. No investment required.

This 10-minute abs workout from fitness trainer Maddie Lymburner, who goes by MadFit on YouTube, is also done without equipment, so you can do it pretty much anywhere. Though using a yoga mat will ...

Reverse crunch to leg lifts target the lower abs, an area that often gets neglected. It combines two effective core exercises into one seamless flow. Reverse crunches lift and tighten the lower belly ...

These six bodyweight moves activate your entire core without a single crunch. They build strength, coordination, and ...

The plank hold is a basic exercise that engages the whole core. To do a plank, lie face down with your forearms and toes ...

Unlike many machines at the gym ... so it doesn't rotate your torso. With your abs engaged, extend your arms up overhead, bring the handle back down toward your chest, and repeat.

The plank exercise is an old-school isometric core exercise that originated with yoga practices and has since been a standard ...

Washboard, killer abs ... special equipment. It does, however, require commitment because it's not just about ab training. Dori Ricci You do also need to do cardiovascular exercise to burn ...

Jennifer Lopez is known as much for her sculpted physique as she is for her music, movie roles and romantic partners.