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. Gymnastics rings ...

I’m a personal trainer who's tested products for five years. I wore the Oura Rig 4 nonstop for six weeks to see if it's worth the investment. After wearing this ring all day, every day for over a ...

Every smart ring calls itself an activity tracker these days; they’ll all report your steps, calories, and workout times. But I take my smart ring off when I go to the gym, and I would never recommend ...

I've been a fan of reformer Pilates for years, but I've only recently got into at-home Pilates, where you can use light weights and accessories such as a Pilates ring to make exercises more effective ...