RUNNERS NEED MORE than just running to stay strong. You'll be at your best when you take the time to train the rest of your body to handle the strain of your pavement-pounding, high-volume mileage—and ...

Every athlete wants a stronger core, but “what’s the best ab workout?” is a loaded question. The right answer depends on what kind of athlete you are, what your body needs, and what your goals are.

“Regular ab wheel training improves posture, balance, athletic performance, and helps protect the lower back by strengthening the deep core muscles,” said fitness director Amfroy Lyn. “When performed ...

Fitness Pro Superhuman Troy explains why incorporating resistance into ab training is crucial for building a dense, visibly ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Do you want a strong ...

You’ve been diligently doing hundreds of crunches, planks until your core shakes, and every ab exercise variation under the sun. Your core muscles are definitely stronger, but that layer of belly fat ...

Throughout my life, I've probably seen five people who train their core correctly. Not because most people choose bad exercises, but because they take for granted three key concepts regarding this ...