For the record, an isometric muscular contraction is static, with no movement whatsoever. The plank is among the more popular exercises in the isometric category: Once the body's in position, nothing ...

Ab work can be a total snooze-fest. That's because it's all too easy to get stuck in a rut with the same-old moves. One way to break the cycle: New exercises that work different muscles than your body ...

You have to crawl before you run! Firefighter Tim says, “Don’t be fooled, this workout isn’t for babies!” Tim says that crawling can be an amazing and challenging way to exercise. Some crawling ...

Target your booty and abs with this 20-minute bodyweight workout from ISSA-certified personal trainer and Under Armour trainer Sydney Torabi. In just four moves, it will help you build strength and ...

Alligator crawls are the wildest way to work your entire body like an animal. Here's exactly how to perform the exercise, plus a way to make it even harder. You can always count on your animal friends ...

Most adults don’t remember learning how to crawl. But Alexandra Greeves, 31, will never forget. “I had to concentrate on it,” recalls the Bethesda resident, who struggled with keeping her head lifted ...

It's day 26, which means you're coming up on some of the last workouts of the New Year's Challenge—so don't slow down now! Today's plank workout routine, which was designed by NYC-based trainer Alyssa ...

Most adults don’t remember learning how to crawl. But Alexandra Greeves, 31, will never forget. “I had to concentrate on it,” recalls the Bethesda, Maryland, resident, who struggled with keeping her ...

Burpees. Call me crazy, but I love ’em. Not only do they elicit physiological responses similar to that of all-out cycling sprints (but in a shorter period of time), they’re also kinda fun to do. That ...

At this point, I know to expect every workout that Halle Berry shares on Instagram to be challenging — that's why I love them. Out of all the workouts she shares, my favorite are her ab workouts ...

If you're feeling burnt out or bored with your go-to moves, it's time to switch things up. You don't have to get complicated to make your workout interesting or effective, either. Consider the humble ...