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6.5 A balanced diet Learning Objectives Define the terms ‘balanced diet’ and ‘nutrition’ Identify the 4 main food groups that make up a balanced diet Give food examples for each group Explain the impact of a balanced diet on sporting performance Write down 3 statements about this picture which relates to ‘Energy use’. In order to maintain a healthy weight, the amount of energy taken into the body must be matched by the amount of energy expended. Energy is measured in calories (Kcal) and is obtained from the food we eat. Calorie = A unit of measurement for heat or energy production in the body, normally expressed as Kcal If we want to maintain our body weight, the amount of energy takin into the body should be matched by the energy expended. Challenge Explain why professional athletes may need to eat differently to ‘normal’ people.
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