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Sports Nutrition - PowerPoint PPT Presentation

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Sports Nutrition. Macronutrients. Sports Nutrition. A good diet helps our bodies to stay healthy and gives us the energy that we need to exercise. The amount and type of food that we eat on a daily basis is very important to both health and performance.

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Sports Nutrition

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sports nutrition

Sports Nutrition


sports nutrition1
Sports Nutrition

A good diet helps our bodies to stay healthy and gives us the energy that we need to exercise.

The amount and type of food that we eat on a daily basis is very important to both health and performance.

Like a car, our bodies rely on the ‘fuel’ that we put into our ‘tank’.

Using the wrong type or amount of fuel can seriously affect how our bodies perform.

sports nutrition2
Sports Nutrition
  • A good diet on its own will not make you more skilful or fit as a performer, but it will help you make the most of your abilities.
  • Participation in sport or exercise requires energy. This energy is obtained from the food that we eat.
  • In order to optimize our performance, it is important that we have an appropriate and balanced diet.
  • By the end of the session you will be able to…
    • Define Fats- Saturated/ Un-Saturated and what food stuffs contain fat
    • Define carbohydrates- Simple/ Complex and what food stuffs contain Carbohydrates
    • Define Protein-and what food stuffs contain Protein
  • Working in pairs try to match the definition to the correct macronutrient as well as some examples of each type
  • Carbohydrates are the body’s main source of energy. They come in two kinds:

Simple carbohydrates(sugars)These can provide a lot of energy for immediate use, but contain no other useful nutrients

Complex carbohydrates(starches)These are good sources of energy. The body can easily store energy from carbohydrates for rapid use by the muscles, so they are particularly important for athletes.

  • Complex carbohydrates should provide around half of your daily energy needs.
  • If you are performing strenuous exercise, this should increase to 60–70%.

If you eat too much carbohydrate, however, the body will store it as fat.

Energy from carbohydrates is converted to a substance called glycogen. This is stored in the liver and the muscles.

When energy is needed, the body changes the glycogen to glucose which is used by the muscles during respiration.

  • Fats are also used for energy, but only when stores of carbohydrate run low

Weight-for-weight, fat contains more than twice as much energy as carbohydrates or proteins. However, lots of oxygen is required to release this energy.

This means that energy can only be released slowly from fats.

Fats supply the energy we need for endurance activities

  • There are two types of fats:

Saturated fats– these are usually found in foods such as milk, butter, cheese and meat

Unsaturated fats– these are usually found in foods such as fish oils, cooking oils and sunflower seed oil.

Saturated fats can be converted into cholesterol by the liver. High blood cholesterol is linked to heart disease.

For this reason, no more than 10%of your energy should come from eating saturated fat.


Because fat contains so much energy, you can easily eat more than your body needs.

Excess fat is stored as body fat, causing weight gain.

In some sports like sumo wrestling and shot-putting, extra bulk can be an advantage. However, for most performers, extra body fat will hamper their performance.

If your body weighs more, it is more difficult to move. Sportspeople who need to move fast, like runners and footballers, should reduce the amount of fat in their diet.

  • Proteins are used to generate energy only when the body has exhausted its stores of carbohydrates and fats

The body manufactures proteins from amino acids.

Your body cannot make all of the different types of amino acid that it needs – you have to consume some of them in the food that you eat.

Proteins are very important in the body for other reasons. Our muscles and other tissues are made from proteins.

The protein you eat is broken down into amino acids and used by the body to build cells, make blood and repair and replace tissue.

  • Proteins are especially important for sportspeople who need to build up large, powerful muscles.

Proteins are also needed by performers to recover from training or injuryin order to repair damaged tissue

ideal plate
Ideal Plate

Carbs – 50-70% depending on daily activity (from a variety of sources)

Proteins- 15-30% depending on daily activity (from a variety of sources)

Fats- 10-15%less from saturated

nutrition assessment part 1 p1
Nutrition assessment part 1/ P1
  • Definition of each macronutrient and there role within diet.
  • Examples of each type
  • The amounts required for daily living and sports performance