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 ...

The debate about how hard to push during exercise has persisted for decades, with fitness approaches swinging between high-intensity interval training and gentler, steady-state activities. However, ...

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

Usually, the more intense an exercise routine is, the more calories it burns. As a result, challenging workouts that elevate the heart rate and use many muscle groups burn more calories, helping a ...

WHO data from 2022 show that roughly 31% of adults worldwide, around 1.8 billion people, failed to meet recommended physical ...

A new study found that increasing brisk physical activity may help significantly decrease the risk of cardiovascular disease. Brisk activity (such as running or speedwalking) may provide more benefits ...

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 ...

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 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 ...

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 ...

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 ...

SAN ANTONIO — Orangetheory Fitness fans are preparing for a big upgrade to the way they track personal workouts in San Antonio gyms. Orangetheory is a high-intensity interval training class that ...