The runner's plank is an alternative I use as a certified trainer when sit-ups aren't possible, and this is exactly how to do ...

The next level of course would be the side plank, a challenging variation of the original abdominal bad boy. The side plank is going to teach you how to brace your core in order to build your obliques ...

Russian twists are a great way to engage both sides of your obliques at once. Sit on the floor with your knees bent and lean ...

To relieve lower back pain, focus on core-strengthening exercises that will improve posture and support the spine.

Oh summer. How we love thee. With long sunny days, barbecues, beach and pool outings, and just a little R&R, how could this not be a favorite season to many? With all of the fun activities that summer ...

Discover the three exercises Harvard experts recommend for building a stronger, more stable core to prevent injury and improve daily movement.

Head to nearly any packed gym, and you’ll probably see at least one woman working on her core. Maybe she’s whipping out some bicycle crunches, or holding still in an impressively-long plank. There are ...

Basketball is the sport I grew up playing the most back in the 1970s. But these days, whenever I play with a 40-and-older group (what I call the “belly-bumper” crowd) the game becomes far less ...