A recent study from Australia suggests that high intensity interval training may be optimal for body composition in older adults, by helping to lose fat while preserving muscle.

We're definitely fans of exercise snacking, but sometimes nothing but a long, sweaty workout will do — and if that's what you're craving, this 45-minute high-intensity interval training workout with ...

Add Yahoo as a preferred source to see more of our stories on Google. Couple power walking outside in the park on a cold day. (Getty Images) This month we will be alternating between HIIT walks and a ...

This most recent episode of Good Moves features trainer Traci Copeland and her awesome, challenging, and quick total body HIIT workout. In this most recent episode of Good Moves with Pilates and ...

People who’ve had a stroke might worry about pushing themselves hard at the gym. New research suggests high intensity interval training (HIIT) can do more to improve fitness than moderate-intensity ...

Boost your endurance and strength, all at once.

High-intensity interval training involves performing an all-out, exhaustive physical effort for a short time followed by a short (sometimes active) recovery. Its benefits are clear: Effective HIIT ...

Researchers from The University of Queensland examined 194 adults aged 65 - 85 with no signs of cognitive decline. Participants were assigned to a low-intensity, moderate-intensity, or HIIT workout ...

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