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.

Advanced kettlebell HIIT combines explosive strength work with high-intensity cardio for a demanding full-body workout.

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 15-minute boxing HIIT workout combines punches, movement, and intervals for full-body conditioning. The routine is designed for home training with minimal equipment. A quick and effective option ...

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

High-intensity interval training, or HIIT, is a great way to torch calories, boost your metabolism and get a great workout in a shorter amount of time. And if you're a fan of hopping on the treadmill ...

Exercise is known to benefit heart health. High-intensity interval training (HIIT) that combines aerobic exercise with ...

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 ...

These workouts also burn calories and improve fitness. One of Porcari’s studies found that the average boot-camper expended ...

Modern men are embracing smarter, holistic fitness trends, from HYROX and digital wearables to functional training, ...