Squeeze glutes at the top. Glutes fire hardest when the hips extend under control. The step-back lunge builds that extension while protecting the knees. Unlike forward lunges, stepping backward keeps ...

Even if you’re logging strong miles, age-related muscle loss can creep in. The fix is surprisingly straightforward.

Studies on the neurons of mice suggest our own human endurance may have more to do with the brain than our physique. Regular exercise strengthens muscles and improves endurance—but new research ...

Developing bigger pectoral muscles, or "pecs," is one of the most common goals for anyone focused on building upper-body strength or improving their physique. After all, a strong, well-developed chest ...

If you're curious about starting a resistance training routine and not sure where to begin, start with these expert-recommended movements. This story is adapted from Life Kit's Guide to Building ...

This story is adapted from Life Kit's Guide to Building Strength, a five-day email series. Sign up for the special newsletter here. There are innumerable ways to shape a workout routine for building ...

Want to tone your midsection? You can start by standing up to do ab exercises. Surprised? That’s understandable. After all, most of us think of a few classic on-the-floor exercises when it comes to ...

Before Adam Sharples became a molecular physiologist studying muscle memory, he played professional rugby. Over his years as an athlete, he noticed that he and his teammates seemed to return to form ...