Runkeeper was placed on Earth by supreme beings of some sort. Its programmable, GPS-tracked interval runs make the iPhone into a serious, and entirely thoughtless, training tool. But Runkeeper’s ...

When 3 p.m. rolls around, my energy levels are usually at a low — the midday slump is in full effect, and another cup of coffee would only deliver a case of caffeine jitters. What is helpful though, ...

HIIT workouts, or high-intensity interval training, are an effective way to exercise at home. Instead of requiring equipment, HIIT workouts focus entirely on bodyweight exercises. This expert-designed ...

Directions: Warm up for a few minutes with dynamic stretches and some light cardio such as jump roping or lateral shuffles. The workout is broken up into three circuits, all of which have three ...

The American Heart Association recommends that adults get "at least 150 minutes per week of moderate-intensity aerobic activity or 75 minutes per week of vigorous aerobic activity" — or a combination ...

Timebirds is a wall mounted a gym timer designed to provide a timer small enough to fit in your pocket yet easy enough to read as you work out without distracting you from your routine. Earlybird ...

For those of you who don't know, I wrote an interval timer app for iOS. A feature request is to allow it to run in the background. Apparently people fidget with their Music or Podcast app enough while ...

One of the biggest myths I hear is that walking is not a good workout. People often see it as a leisurely activity or a means of transportation, but not as a form of exercise. This could not be ...

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 ...