All of the trials looked at the effectiveness of aquatic HIIT workouts as compared with either no exercise, land-based HIIT, or moderate-intensity exercise in the water.

High-intensity interval training in water, often called aquatic HIIT (AHIIT) improves exercise capacity in adults with chronic conditions and has a similar impact as land based training (LBHIIT ...

High-intensity interval training in water, often called aquatic HIIT (AHIIT) improves exercise capacity in adults with chronic conditions and has a similar impact as land based training (LBHIIT ...

Consistency is key when incorporating HIIT into your routine. As you progress, feel free to explore more demanding exercises. Here's how to get started.

Treadmill HIIT workouts boost metabolism, improve heart health and help you lose weight. Try these low-impact high intensity interval walking and running workouts.

High intensity interval training (HIIT) workouts may benefit those who want to lose weight. Learn how they can help reduce body fat and burn more calories.

These 30-minute HIIT workouts on YouTube deliver the benefits of a longer workout in less time — and they're so fast-paced that they fly by.

They're meant to be fast and furious, but how long should a HIIT workout be? Fitness trainers share their thoughts.

Add high-intensity interval training to your routine with confidence, even if you’ve never done it before.

Upper-body HIIT exercises build strength and muscle mass in an efficient way. Ahead, a fitness expert shares the six best moves to try.