Step aerobics is a classic cardio workout. It has lasted for decades for a simple reason: it delivers results. The "step" is a 4-inch to 12-inch raised platform. You step up, around, and down from the ...

So I’ve been testing three of the most popular 7,000-step walking workouts on YouTube. Spoiler alert: I have a clear favourite. This one-hour workout from fitness trainer BurpeeGirl is designed around ...

Although many people aspire to exercise more in the new year, nearly 80 percent of adults fail to meet the recommendation for aerobic and muscle-strengthening activity. To achieve any fitness goal, it ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. While plenty of ...