Start on all fours. Extend your right arm in front of you and your left leg behind, actively reaching in opposite directions.

There’s a lot of debate about weight machines in the fitness world. Some people gravitate towards them because they seem a ...

After age 50, most adults gradually lose muscle mass and strength unless they regularly challenge their muscles. Research ...

For a program to be most effective, Washington recommends sticking to it for at least four to five weeks before changing it ...

Strength training isn’t just about building muscle—it's one of the most effective ways to lose fat. Try 9 exercises to burn calories and boost metabolism.

It’s easy to almost forget we have muscles in our back. We can see and feel our biceps and our abs working, but if we ever get a sore lower back, we often worry that we’ve hurt our spine. In fact, ...

Leoni Jesner is a fitness, health, and lifestyle writer who has contributed to Byrdie and LIVESTRONG.com, among other publications. She is also a personal trainer, mat Pilates instructor, and ...