High-intensity interval training, or HIIT, is the go-to workout modality for anyone who likes to get their heart rate up, strengthen their muscles, and then move on with their day. It focuses on quick ...

Alex Hutchinson is a National Magazine Award-winning journalist and Outside’s Sweat Science columnist, covering the latest research on endurance and outdoor sports. New perk: Easily find new routes ...

The phrase “putting the hammer down” commonly refers to drivers smashing the accelerator pedal to pick up a burst of speed, often to beat a waning yellow light. Runners use this idiom in much the same ...

The Huberman-famous protocol promises to gamify your interval training, but the rules seem to make it worse, not better, than standard interval workouts. The Sugarcane workout is a series of intervals ...

Now she’s helping others find their fitness grooves with the Ready Set Sweat program. “The RSS workout is really based on Tabata and high-intensity interval training techniques,” shares Coleman. “I ...

Interval training’s stock has soared in recent years. Is it any wonder, when it promises to deliver impressive health and fitness perks in a shorter time frame than other workouts? Sessions can be fun ...

There is no magic workout. I used to get frustrated with my training partners when they’d start stressing about whether we should take 90 seconds or two minutes between repetitions, or argue about ...

Once upon a fitness goal, a young girl spent hours upon hours on the treadmill, one 30-minute steady-state workout at a time. She wanted to lean out -- aka lose body fat to improve muscle tone -- and ...