Energy - ability to perform work Adenosine Triphosphate (ATP) – a compound made up of adenosine and three phosphate molecules. Energy released by its breakdown enables cellular function and muscular movements Energy System Interplay – a situation where all three energy systems contribute to ATP production with one system being the major ATP producer

Sugars and starches such as fruit, cereal, bread, pasta and vegetables Are the body’s preferred source of fuel, particularly during excercise

Butter, Margarine, cheese, oil, nuts, pork and fatty meats Acts as a concentrated fuel storage in muscles and the body’s adipose tissue. It is the body’s main source of fuel at rest and during prolonged submaximal exercise

Meat, fish, poultry, legumes, eggs, grains Makes very little contribution to energy production during exercise (five to 10 per cent in prolonged endurance events) and is mainly used for growth and repair

CarbohydratesFatsProteins High GIButter Cakes Margarine Oils – canola, olive Nuts-peanuts, cashews, almonds Full cream dairy products Avocado Fatty meats-Pork Fish and seafood Lean meat – steak Cheese Eggs Soya beans Lentils Grains and seeds Legumes Brown rice Glucose and Maltose Potatoes Lucozade Broad beans Wholemeal bread Watermelon Low GI Fructose Soya beans Rice bran Peanuts Yogurt Skim milk Pasta