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

A certified personal trainer breaks down his #1 bodyweight workout to build a lean body like actress Kate Hudson.

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 ...

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

April 27 is National Prime Rib Day, and there’s no better day to cook a delicious, tender, juicy and flavorful cut of beef.

B) Bend your knees, contract your abs and slam the ball down to the ground. Try not to round your back when you pick up the ball. 'High-to-low slams are perfect for combining core strength with cardio ...

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 ...

Poor posture is likely damaging your back, warns Dr. Arthur Jenkins, a spinal surgeon in New York. He explains how it happens ...

Reason: "Your transverse abdominis muscle acts like a corset when dropping the legs to protect and support the body and spine ...

From mountain climbers to leg raises, a personal trainer outlines the best deep core workout to sculpt a lean midsection like ...

Plank variations are also amazing for working out multiple core muscles at the same time. Begin with a simple plank by ...

Sit tall in a chair, with your spine neutral and feet flat on the floor. Avoid leaning back or slouching against the backrest. Place both hands behind your head or crossed in front of your chest, ...