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If you hear “a strong core” and instantly think of sharply defined abs, you’re not alone. “When talking about our ‘core’ we often focus on the parts that we can see or have been told by society that indicate a strong belly—the rectus abdominis, also known as the ‘six-pack’ muscle,” says Kristin Leal, a New York-based yoga teacher and the author of anatomy books including MetaAnatomy: A Modern Yogi’s Practical Guide to the Physical and Energetic Anatomy of Your Amazing Body.
But the truth is your core is a central structure of your body that’s key to your overall health. All of the abdominal muscles—plus the muscles in your back and pelvis—work together to help keep your body stable and balanced. They also protect your spine. Your core is doing a ton of structural work, even if you aren’t wearing washboard abs. The best way to respect the work your abs do every day is use these muscles…
 at the center of everything. Here’s what you need to know to use them smartly and safely.){kind=link}