Get in a quick sweat with this full-body Tabata workout, care of Tara Nicolas. It takes just 8 minutes—including a warmup and finisher. Tabata is one of those amazing-yet-awful workout modalities.

It’s a type of high-intensity interval training workout created by Japanese scientist Izumi Tabata. Like other forms of HIIT, it involves periods of exercising intensely with an elevated heart rate, ...

It’s easy to pass four minutes of your time doing absolutely nothing. You can look at the clouds, ponder the meaning of life, count your freckles, let your mind wander. Those are all fantastic uses of ...

The sun is out, temps are soaring, and carefree summer vibes abound. Why not channel that energy into your workout routine? This five-day break-a-sweat workout challenge, courtesy of Class Fitsugar, ...

Burn fat, boost endurance, and feel amazing - all in just 15 minutes! This no-equipment HIIT workout is perfect for home. Get ...

This month we will be alternating between HIIT walks and a simple HIIT routine that uses just your bodyweight to get your heart rate up. On days when we’re doing walking workouts, you have three ...

Get ready to up the ante with a fun-filled outdoor HIIT session, presented by Allegra. Hosted by Class Fitsugar trainer Jenna Willis, and assisted by Nikki Keeshin and Paris Nicole, this HIIT workout ...