Eating to win: activity, diet and weight control
Eating to win: activity, diet and weight control

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Eating to win: activity, diet and weight control

3 Fitness and fat metabolism

Reading 2 Fitness and fat

Allow about 30 minutes

Read the extract from ‘Fitness and Health’ by Sharkey and Gaskill linked below. In this reading you will discover the benefits of physical activity on fat mobilisation and utilisation.

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Discussion

The section on cholesterol underlines the fact that with improved fitness you receive additional benefits including a healthier blood lipid profile, with lower LDL (low-density lipoprotein) and higher HDL (high-density lipoprotein) levels. There is a direct relationship between LDL levels and CHD, whereas as HDL rises, the incidence of heart disease declines.

Fitness contributes to energy expenditure and weight control. As fitness improves it is possible to do more work at the same heart rate and level of perceived exertion; you are able to burn more energy for the same perceived effort.

The term metabolism means the breakdown of foods to release energy. We can metabolise fat, carbohydrate or protein to release energy.

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