Getting older? Your workouts might change, but your fitness doesn't have to suffer.

WHEN YOU THINK of strength, you probably think of muscle and the gym. That’s measured by how much weight someone can lift, ...

Use spread-out exercise sets to build capacity (total daily reps), and use single-session workouts to test that capacity.

Looking to build muscle but feeling overwhelmed by conflicting advice? We got two top trainers to break down exactly how to structure your weekly workouts for maximum gains. Whether you’re a gym ...

Ever wondered if you're eating the right stuff at the right time to get the most out of your workouts? You're not alone! We ...

For general fitness and health, men should aim for age-adjusted VO2 max scores that put them above average. This will ensure you are maximizing reductions in all-cause mortality from having a higher ...

If you’re new to lifting, you don’t want to start with more specialized and, let’s face it, awkward exercises like pistol squats and cossack squats. To build foundational muscle and strength, it’s ...

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. I’ve tried a lot of ...

If you are into split routines that break down the body into pushing muscles (chest, shoulders, triceps), pulling muscles (back, biceps, grip), leg muscles (hips, lower back, legs) and the core ...

The fitness world has turned workout timing into a religious debate with passionate followers on both sides. Morning warriors swear by their pre-dawn sweat sessions, claiming superior fat burning and ...