Is it just showing up, or how hard you muscle it out? Sports science research studying American adults is proposing an answer ...

There may, however, be a shortcut. High-intensity interval training ( HIIT) promises to get you fit with just a few minutes ...

A single session of high-intensity exercise can disturb the body's main stress hormone, leading to less activity after the workout, a lower body temperature, and weight gain, a new study of mice finds ...

Share on Pinterest Intense exercise may contribute to weight gain by reducing subsequent exercise sessions and also lowering body temperature, a new study found. EMS-FORSTER-PRODUCTIONS/Getty Images A ...

We all grow older. There is nothing we can do about that, but the quality of those years is within our control, as recent research has shown. After receiving a doctor’s approval to begin any exercise ...

If you’re wondering how to stick with your favorite workout but make it more intense, the “talk test” might be your answer. The talk test is a way to measure relative intensity of an activity, and it ...

High-intensity interval training (HIIT) is as popular as ever. Join the trend with these tips on what to wear, how to warm up, and more. No doubt you’ve heard the buzz about high-intensity interval ...

Share on Pinterest A new study found that stroke survivors who performed short bouts of HIIT exercise doubled their cardiorespiratory fitness levels. FG Trade/Getty Images New research shows that high ...

Intensity is not a feeling or an emotion. Intensity is effort level. Use the fitness principles FITT (Frequency, Intensity, Time and Type) to create changes to your usual workout by simply changing ...

High-intensity exercise has many advantages, but it's not for everyone. Older people, people with chronic health conditions, and those with disabilities can't perform vigorous exercise. Low-intensity ...

People who’ve had a stroke might worry about pushing themselves hard at the gym. New research suggests high intensity interval training (HIIT) can do more to improve fitness than moderate-intensity ...

If your New Year's resolution is all about getting fit, you're gonna want to set yourself up for success. While big goals can be hard to hold onto, you can stay on track with your fitness resolutions ...