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 ...

You don’t need sit-ups or crunches to feel your core work. This all-standing routine helps strengthen your middle, improve ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images Don’t fancy Russian twists? Try plank windmills instead. They're one of the ...

The starburst side plank variation strengthens the shoulders, abs and obliques. Here's why we love it at Tom's Guide.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." That's why it pays to dedicate focused training time on your core. You can start with these ab exercises ...