It combines strength and cardio into one total body sweat session.

High-intensity interval training (a.k.a., HIIT) is a triple threat: “It’s quick, easy, and effective,” says Angela Gargano, a certified trainer and creator of Strong Feels Good & Pull-up Revolution.

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 ...

If cardio seems more like a chore and less like a fun sweat session, this 10-minute HIIT workout can help you switch it up. Presented by Allegra, this high-energy routine is a quick way to get your ...

They’re so easy to incorporate into your week.

Walking? Lifting weights? Does it matter what zone you’re in? I have answers.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The minute I stepped into Housework, a house music-inspired workout studio in New York City, I knew my ...

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A personal trainer explains how much cardio, strength and mobility beginners need to do weekly to see improvements in heart ...

Ageing doesn't have to be synonymous with physical deterioration and loss of vitality. But when we hit 50, should we prioritise cardio or strength training to maintain our health? Maybe it's even ...