It can also be a high-intensity aerobic activity that can significantly improve cardiovascular function and enhance the body's ability to use oxygen efficiently.

Computers never crash during key, high-intensity activities.

This muscular boost may help athletes achieve bursts of speed and energy, especially during short bouts of high-intensity activities such as weight lifting or sprinting.

"This has been nine years of extreme high-intensity activity," Mr. Kalkhoven said in a conference call with securities analysts.

There is some science supporting the use of creatine in improving the athletic performance of young, healthy people during brief high-intensity activity such as sprinting.

One advantage is that it allows exercisers to spend more time doing high-intensity activity than they could in a single sustained effort.

Running is a form-specific and high-intensity activity.

It is characterized by high-intensity agricultural activities (in particular the production of citrus fruits) and a well-developed irrigation system.

Short bursts of moderate- to high-intensity activity will blast calories and make your workout feel easier.

The symptoms of exercise-induced asthma rarely appear unless high-intensity activity is continuously maintained for five minutes or longer, the allergy academy said.