You'll need better moves to build a functional core. Here’s how you can upgrade your workouts.

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Add Yahoo as a preferred source to see more of our stories on Google. Your favorite ab-building machine at the gym may be causing you more harm than good. That's right—we're talking about the torso ...

YMCA fitness instructor Chuck Shelton demonstrates a side plank with rotation. Adding a torso rotation to the already challenging side plank is a sure way to build the oblique abdominal muscles as ...

Alpine skier Lindsey Vonn is one tremendously tough athlete. The Olympic gold medalist and World Cup champion has overcome an array of brutal setbacks—including a concussion, a fractured arm, and an ...

This exercise stretches the muscles of your core, chest and front shoulders. It also helps to improve the range of motion in your arms and torso, which are often tight after breast surgery. Supine ...

Core training has been a buzz phrase in fitness for a couple of decades, and there is no shortage of exercise routines that emphasize strengthening the muscles around your mid-section. Muscles such as ...