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The importance of the Warm-up and Cool-down Before any exercise of any form, it is essential to carry out a sufficient warm-up. This should include a continuous exercise that works the whole body such as jogging so that heart rate is raised to about 120 beats/min. This should be followed by a series of stretches, which should be held for no less than 15 seconds each. After this, one rehearsal of movement pattern should be performed. The warm-up enables the body to prepare itself for exercise so that the chance of injury is reduced. As the muscles warm-up, an enzyme is released which promotes the breakdown of glycogen to ensure that there is an energy supply to all the muscles. The warm-up also ensures that the person has as much oxygen as possible. It does this by distributing more blood to the muscles therefore increasing the heart rate and also the...

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