High-intensity training is generally characterized as a training style that involves periods of exercising intensely with an elevated heart rate alternated with recovery periods. It's typically done ...

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 ...

View post: Hitting Plateaus? Why Trainers Say You Might Need to 'Periodize Recovery' for Stressful Seasons and Heavy Training Blocks Many weightlifters obsess over their workouts. They cycle through ...

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 ...

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 ...

Researchers from the University of Southern Denmark investigated how eight weeks of high-intensity interval training affect the structure of mitochondria—the parts of muscle cells that produce energy.

A few minutes of high-intensity interval or sprinting exercise may be as effective as much longer exercise sessions in spurring beneficial improvements in mitochondrial function, according to new ...