The 15-15-15 workout helped this A-list stay active after injury, and it can help boost your cardiovascular fitness in just ...

Does cardio make it harder to reach a personal weight lifting record? Does lifting weights compromise your mile time? We ...

Official recommendations vs. your goals.

These “fun” moves bring the heat without going too hard on joints.

Here’s how to get the most out of your workouts.

Plus, the surprising benefits of turning the intensity down a notch.

Steady-state cardio may be more helpful for beginners looking to manage their weight, while HIIT is a great way to boost ...

It's the key to improving heart and bone health, while building muscle.

HIIT can help improve speed and power, but longer, steadier workouts that you can do regularly, like swimming and rowing, are ...

New research shows that 30-second bursts of intense cardio can reduce panic symptoms by teaching your nervous system that ...