Some of his picks might raise eyebrows, but every one has a purpose ...

If toning the back of your arms is a goal, strengthening the triceps can help eliminate that common trouble spot that jiggles when you wave and help you feel more confident. But even more important, ...

It is what the fitness enthusiasts call a muscle pump. This temporary swelling happens when blood rushes into the working ...

A certified strength coach shares 5 exercises for men over 55 to restore lost muscle, rebuild strength, and move confidently every day.

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

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 ...