A trainer shares the exercise that can best treat lower back pain. Discover exactly how to do it and why it works.

Burpees are a popular exercise, but they can put a lot of stress on your joints. You can swap burpees for other lower-impact ...

As a runner, I know how important it is to have a strong lower body — not only will it help you run faster, but strong legs will also improve your endurance, especially if you’re looking to train for ...

Chair exercises for leg strength after 65, 6 no-strain moves from certified trainer Michael Betts, with form cues and sets.

Prolonged desk work can lead to musculoskeletal problems ranging from annoying aches and pains to injuries. This month, we launched a six-part series showing you how to stretch and strengthen your ...

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. It’s easy to almost ...

Katrina Carter, DPT, FNS, is a licensed travel physical therapist. She specializes in orthopedics and has a passion for providing education on nutrition for healing and overall health and wellness.