Seeing that nice six-pack in your reflection is the rewarding result of all your hard work. The visibility of my abs has varied over the years depending on how I decided to eat and exercise around ...

All healthy lifestyles include some form of exercise. One of the best parts of the body to work on is your core, because it provides foundational strength and structure for the rest of your body.

It’s estimated that 2 million people in the U.S. will experience a back injury this year. Many of these injuries are because of postures held for prolonged periods and workplace incidents. Many more ...

It’s no secret that a strong core is important. Sure, aesthetics might be part of the motivation (hello, six-pack), but core strength goes deeper than looks. Research consistently shows that training ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. Side planks trains your ...

Pilates is a popular workout method that involves a variety of exercises designed to develop functional strength and flexibility in tandem. In modern fitness, Pilates as a methodology focuses heavily ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

For fitness purposes we can roughly divide the body into three sections: the lower body (legs), the core (abs), and upper ...