These brief, intense workouts can strengthen your heart and boost longevity.

Eight weeks of HIIT increases both the number and efficiency of muscle mitochondria by expanding their energy-producing inner membranes.

Physical inactivity costs the world an estimated USD (US dollar) 53.8 billion each year. Exercise is a simple, affordable, and effective way to reduce the risk of heart disease, especially for people ...

A typical Tabata workout consists of 8 rounds of 20 seconds of maximum effort exercise followed by 10 seconds of rest. This totals 4 minutes per exercise.

Discover how just four minutes of supramaximal interval training can trigger powerful cardiovascular, metabolic, and ...

Talk about the winter that wasn’t! Our weather was certainly perfect for the golf tournament, but we are 15 to 20 degrees ...

A new study suggests that HIIT workouts may help preserve lean mass in older adults compared to moderate exercise—but changes were small. Here's what to know.

There comes a time in every runner’s life when it’s time to kick things up a notch. That means one thing and one thing only: interval training. There’s a reason loads of runners don’t like intervals.

Talk about the winter that wasn’t! Our weather was certainly perfect for the golf tournament, but we are 15 to 20 degrees hotter than we should be. I don’t know ...

What is the 20/10 workout formula? Discover how this type of interval training boosts endurance, strength and metabolism in ...

For competitive swimmers and triathletes, the biggest hurdle to consistent training is often access to a dedicated lap pool. On March 12th, 9:00 AM PDT, the iGarden X Series Swim Jet officially ...

If your workouts are mostly high‑intensity interval training, group classes, and dynamic movements, the Nike SuperRep 3 ...