If you work out, you will have at some point wondered about whether you should start with weights or cardio. Whether you're already deep into your fitness journey or just getting started, you've ...

Boost your fitness with this 20-minute strength and cardio workout featuring supersets! Combine muscle-building exercises ...

When you enter the gym, which way should you head first? Toward the treadmills and spin studio to get your sweat on with a cardio session? Or toward the free weights and strength-training machines to ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

Whenever I start working with a beginning-level client, I always focus on exercises like glute bridges and birddogs first.

High-intensity interval training, or HIIT, is a great way to get in a fast, effective workout. This quick routine is helpful ...

Hitting the pavement is, unsurprisingly, most runner’s go-to cardio workout, but introducing cross training into your weekly routine can be a game-changer in improving performance and reducing injury.

If you’re looking to get all of the benefits of a heart-pumping exercise without added stress on joints, consider incorporating low-impact cardio into your routine. “The benefits of low-impact cardio ...

Calisthenics and cardio exercises can be arranged in several ways to improve running times and overall fitness test scores. Few, though, push you as hard as this one in a progressive manner -- until ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...