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 exercise ...

Marathon running is a popular sport. However, long-distance running can weaken and damage foot muscles, leading to chronic pain and running-related injuries. A new study reveals that marathon running ...

I wouldn't say that I'm afraid of heights. I can stand on a cliff path or look out from a tall building without the rush of ...

Weak feet can have a full body impact. Here, a physical therapist shares a few ways to address it.

Bodyweight training can build a surprising amount of muscle when you treat the movements like real strength work. After 55, ...