If you want to work your core, plank position (top of a push-up) is a great move. You'll not only feel it in your abs, but it works your back, arms, shoulders, and legs. Here are seven variations to make it even more challenging. Get low: Instead of balancing on your hands in a straight-arm position, bend your elbows and lower onto your forearms into dolphin plank. This plank variation targets Read more

Even with this mild Winter, we've still seen our fair share of snow in the mountains. And while Spring is just around the corner, late-season storms around the country have given us the gift of fresh powder. If you're planning a snowy mountain weekend anytime soon, here's a circuit workout that works your core, lower body, and balance — courtesy of Erick Northrup, a district fitness manager at Read more

No matter how you slice it or dice it, the BOSU makes everything harder — and I mean that in a good way. Take your basic plank, add the BOSU into the equation and your core is working overtime. Here's a progression of plank exercises for this devilish piece of equipment that I learned from my Equinox trainer Lauren. Basic Plank: You start in a basic plank with the ball side of the BOSU facing Read more

We are pumped to share one of our fave stories from Self here on FitSugar! Although most of the country is in a deep freeze, it's getting to be that time of year when we all freak out about getting in shape for summer. Always first to mind: our bloated-from-holiday-fun belly. We're constantly receiving mixed intel about how to workout our abs. So, we were psyched to pick up a copy of a new book Read more

The following post was written by New York-based trainer David Kirsch. It’s Autumn in Manhattan, and the days are growing shorter by the minute. Although time is always of the essence for a busy New Yorker, you know you're in for a serious time crunch when even the New York minute seems to lose a few seconds. Down in the dumps because you don't have enough time to exercise? Stop the clock, and Read more

When Lauren Conrad and the rest of The Hills cast want to get in top shape, they turn to celebrity fitness trainer Jarett del Bene. Watch our video to find out the celebrity workout plan he recommends to clients, as well as how to do two of his signature moves — "The Plank" for hot abs, and "The Squat and Press" for an allover body workout. Read more

Plank is one of my favorite exercises because it really targets your upper body and core. Plus there are so many challenging variations such as plank jumping jacks and walking elbow plank, so you mix up your routine and never get bored. Here's another variation that will really work your lower abs, so grab an exercise ball and give it a try. Read more

Countless crunches and multiple sets of Russian twists might tone your abs, but they're not so great for your back. Not only that, but they aren't functional movement, meaning the strength gained in these exercises won't really help you outside the gym. Repeatedly rounding the spine in a crunch or full sit-up sets the stage for a disk injury. Repeatedly twisting, especially if your abs are weak, Read more