However, when you buy something through our retail links, Condé Nast may earn an affiliate commission.As a certified personal trainer and fitness instructor, I’m a big fan of IRL classes, but the best ...

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 ...

Two main protocols are commonly used to determine VO2 max: ...

Discover how this comprehensive 7-day HIIT program maximizes fitness gains through expert-designed workouts and evidence-based recovery strategies.

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Staying active is one of the top priorities for many retirees over 60. Experts agree that regular exercise can boost ...

But to get the benefits of HIIT, you need to be ready to work hard. A true HIIT session involves short bursts of intense ...

A fitness expert has explained the key exercises that can boost your heart health - reducing the risks of heart disease and ...

A typical SIT workout begins with a five-minute light cardio warmup to condition muscles for activity, followed by a maximum ...

Unlock modern cardio routine for heart health and fitness with the latest science on intensity, recovery, and targeted training methods.

I'll admit I started out with this same "have to" mindset. In my mind, cardio was synonymous with high-intensity workout classes, running, and other exercises I've never really enjoyed.

I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the latest fitness gadgets, testing out activewear and sneakers, as well as debunking wellness myths. On my spare time I enjoy ...