Why is exercise so important ?



Many people today are less physically active during their daily routine, due to the use of cars, labour-saving machinery, moving stairs, lifts, and so on.

As well, food is far more plentiful, varied, quick and easy to prepare, making it more difficult to keep the required energy balance. Energy input (food intake) becomes greater than energy output (activity) when we eat more than we need or use. That excess of energy soon translates into weight gain — and the potential to develop chronic, obesity-related diseases later in life.

To correct this energy imbalance and ensure we stay fit and healthy, it's important to maintain an effective level of activity. Exercise increases the rate at which your body uses energy (kilojoules) and burns up stored energy (fat), promoting weight loss.

Increasing your level of physical activity will not only decrease the amount of fat your body is carrying, it will also improve your overall fitness — that is, the function of your heart and lungs.

Remember the following points:

* When you exercise, your effort must exceed that of your normal daily activities.
* As the exercise becomes easier, the intensity needs to gradually be increased so that a level of effort is maintained during the session.

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