Celebrity trainer and Pilates instructor Nicole Stuart spends her days keeping clients Kate Hudson and Anna Faris in shape, and for the next week, she'll be doing the same for us. Today she is demonstrating The Hundred, a foundational move in Pilates that not only works your abs, but also challenges you to breathe correctly. A great way to warm up for a workout! Source Read more

With bikini season just around the corner, you should start toning your abs pronto. If you're bored with traditional crunches, which aren't the most effective ab exercise anyway, I have five more moves for you to try. Be sure to check out my five other fave crunchless ab exercises too. Source: Jupiter Images Read more

With bikini season just around the corner, you should start toning your abs pronto. If you're bored with traditional crunches, which aren't the most effective ab exercise anyway, I have five moves for you to try. Check out my crunchless ab exercises when you start the slideshow. Be sure to check out Crunchless Abs, Part 2 for five more exercises to try. Source: Jupiter Images Read more

As bikini season draws near, let me remind you: it is time to draw your navel to your spine and work your abs. Here are nine great exercises for toning your midsection. Remember, the ol' Pilates trick of pulling the belly button in ensures that you're working the deepest ab muscle (known as the transverse), which helps create a sleek midriff. The exercises are divided into three sections: upper Read more

It may not be a secret that the best way to a six-pack is a healthy diet (even if it's no diet at all) and regular exercise, but there's a right way and wrong way to a flat belly. Warm weather is around the corner, so read on for the ultimate guide to getting flat abs. Read more

You're probably familiar with doing ab exercises on the floor, an exercise ball, or even on a BOSU, but have you ever made use of the weight bench? Rather than moving to a floor to complete your crunches, try these exercises in between sets of arm, chest, and back work using the bench — you're already there, make use of it. Expert Crunch trainer Livia Jenvey offers up these five exercises Read more

Even though you're staying warm in bulky, oversized sweaters and bikinis are pushed to the back of the closet, you shouldn't skimp out on core strengthening exercises. That's right — now's the perfect time to get a sweater-ready six-pack with these five tummy toning moves. Besides helping you attain fantastic abs, these exercises will help with strength, balance, and posture. Read more

I am always on the hunt for new ways to challenge my midsection, and lucky for me my Equinox trainer Lauren is happy to indulge this pursuit. She recently taught me two new ab exercises using a BOSU. Don't be fooled by the silly look of this piece of fitness gear; the BOSU really seems to increase the difficulty of any move almost exponentially. Next time you're at the gym, pick one up and try Read more

August is upon us! Don't be bummed by all the back-to-school buzz; there's still plenty of beach and pool time ahead. Since crunches are so old school, and the reasons to skip them mount — they can add bulk to your midsection while reinforcing bad posture — try these moves on for size. They are sure to help you get A plus abs. Source: Thinkstock Read more

A strong core prevents back pain, improves your balance and posture, and hey — it looks pretty good in a bikini, too. Try out this yoga sequence to tone your midsection just in time for Summer. Read more