Exercise is known to benefit heart health. High-intensity interval training (HIIT) that combines aerobic exercise with ...

Interval walking alternates slow and fast paces to boost intensity. People of all fitness levels can benefit from interval walking. Gradually increase the frequency and intensity of your interval ...

No equipment needed ...

Sprint interval training, or SIT, is super trendy right now. It’s a great way to improve your running speed and to get in a hard interval workout, and I’ll explain exactly how. But I also need to ...

The fitness boot camp craze is evolving. It's no longer just the crack-of-dawn, sergeant-led calisthenics classes. Mommy Bootie Camp in Kensington, Md., packs a lot of punch, with a focus on interval ...

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 first tried the ...

Incline walking workout duration for belly fat after 55, with CSCS guidance, plus 2 workouts to follow and weekly targets.

A longitudinal study has found that high-intensity interval exercise improves brain function in older adults for up to 5 years. A longitudinal study by University of Queensland researchers has found ...

High-intensity interval training has surprising benefits for fitness and physical power, but don’t stay seated the rest of the day. By Gretchen Reynolds A mere four seconds of all-out exercise, ...