High-Intensity Interval Training (HIIT) alternates short bursts of near-maximal effort with periods of rest or low-intensity recovery. Because it pushes both the cardiovascular and muscular systems, ...

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 ...

Here’s a guide to mastering interval walking and understanding its benefits Any physical activity that we perform on a repetitive basis for relaxing our body and taking away all the mental stress is ...