Definition of Exercise

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Exercise is exertion of the bodyâ€™s muscles. The aim of exercise is to achieve a beneficial level of fitness and health, physically and mentally.

There are many different ways to exercise. Those who want to lose weight as well as increase fitness will probably take part in organised aerobic exercise, such as circuit training, step-aerobics or dance classes. Aerobic exercise is called cardiovascular exercise. This means that it raises the heart rate, causing blood to circulate more quickly around the body and deliver more oxygen to the muscles.

Some forms of exercise are used to increase body mass, muscle strength, size and endurance. This type of exercise involves slow controlled movements and is used in activities such as weight-lifting. It is not as beneficial to the heart as aerobic exercise but it does help to increase overall fitness. Endurance exercises are most effective when combined with other types of exercise.

Warming up can greatly reduce the risk of injury through exercise, by helping joints and muscles to stay supple. It is a good idea to do some gentle jogging or brisk walking for ten minutes, followed by gentle stretches of the arms, legs and upper body.

Stretching is also an exercise routine in its own right. Yoga is an ancient Indian system, which aims to unify the mind, body and spirit. Modern, westernized yoga is practiced using a combination of physical, breathing and posture exercises.

Swimming is a low impact exercise with aerobic benefits. Swimming can improve circulation and help with weight loss in conjunction with a healthy diet. The advantage of swimming is that is presents a lower risk of injury as body movements are controlled by the water.