Exercise is any bodily activity that enhances or maintains physical fitness and overall health and wellness.

It is performed for various reasons: to aid growth and improve strength, prevent aging, develop muscles and the cardiovascular system, hone athletic skills, weight loss or maintenance, improve health, or simply for enjoyment. Many individuals choose to exercise outdoors where they can congregate in groups, socialize, and improve well-being as well as mental health.

In terms of health benefits, the amount of recommended exercise depends upon the goal, the type of exercise, and the age of the person. Even doing a small amount of exercise is healthier than doing none.

 

Note:   The above text is excerpted from the Wikipedia article Exercise, which has been released under the GNU Free Documentation License.