NEW ORLEANS — Cardiovascular exercise (CV), and other such classifications of fitness endeavors, has extensive research to support the American College of Sports Medicine’s broad definition as ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? In a small study, sprint interval exercise helped to “clean-up and rebuild” ...

There’s a lot of talk in the exercise world about high intensity interval training (HIIT) lately, which is exactly what it sounds like — alternating episodes of exercise with periods of less intensive ...

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 ...

Most solid training plans include a weekly speed workout, often in the form of intervals. But the length of those intervals usually depends on your race distance, training goals, and fitness level.