Presented by Athleta, this HIIT workout is basically a guaranteed confidence boost. Celebrity trainer Amanda Butler leads you through two different rounds of full-body interval training, helping you ...

High-intensity interval training is a workout technique that gets you a lot of bang for your buck. This type of workout serves as cardio and strength training, burning calories, boosting your ...

Popular actress Jessica Biel is back in the spotlight, this time, though, for her workout routine. Prizing the Norwegian 4×4 ...

Ready yourself for this full-body 30-minute workout that combines Pilates, HIIT, strength, and cardio for a workout that will keep your body guessing. When it comes to carving out time to work out, ...

Lack of time is often the main reason people don’t exercise regularly. But a type of interval workout recently popularised by ...

This advanced full body cardio HIIT workout delivers high-intensity training without the need for equipment. Designed to push ...

Interval training is great for boosting cardiovascular endurance and promoting overall fitness. Our fitness expert, Judd NeSmith, NASM-CPT, PES and founder of Serious Fitness, explains interval ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." IF YOU’RE LOOKING for a style of workout that will push you to your limits without needing to exercise ...

Well, after a six month hiatus during which I was abroad in moldy England, I have returned to Tufts, ready to continue doing what I love: dispelling those asinine fitness myths that have propagated ...

Swimming is a low-impact workout that also targets multiple muscle groups. “In just 30 minutes of swimming, an average person ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Fun fact: When working out on a rowing machine, you engage up to 86 percent of your muscles at once.