Sports Nutrition


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  • It is a prospective cohort study – cohort studies are used to find outwhat happens to a patient. Time flows forward in a cohort study. It’s used to determine which factors are are related to the end point under study
  • Sports Nutrition

    1. 1. Dr Sean McNamara William Wixted B.Sc Complete Supplements
    2. 2. <ul><li>The study of nutrition as it relates to physical and mental performance in activities such as sport and exercise </li></ul>
    3. 3. <ul><li>Genetics </li></ul><ul><li>Training </li></ul><ul><li>Nutrition </li></ul>
    4. 4. <ul><li>1. Prepare athlete for optimum training or performance </li></ul><ul><li>2. Maintain performance </li></ul><ul><li>3. Aids Recovery </li></ul><ul><li>4. Aid in weight loss or weight gain </li></ul>
    5. 5. <ul><ul><li>Speed </li></ul></ul><ul><ul><li>Power </li></ul></ul><ul><ul><li>Stamina </li></ul></ul><ul><ul><li>Strength </li></ul></ul><ul><ul><li>Recovery & Repair </li></ul></ul><ul><ul><li>Immunity </li></ul></ul>
    6. 6. <ul><li>Macronutrients </li></ul><ul><li>- Protein </li></ul><ul><li>- Carbohydrates </li></ul><ul><li>- Fats </li></ul><ul><li>Micronutrients </li></ul><ul><li>- Vitamins </li></ul><ul><li>- Minerals </li></ul><ul><li>- Amino Acids </li></ul>
    7. 7. <ul><li>WHEY – easily digested, low allergenicity, nutritionally complete protein. Used to build and repair muscle in athletes </li></ul><ul><li>Glutamine - amino acid that is abundant in muscle and is used to fuel the immune system </li></ul><ul><li>Creatine – can increase muscle size and power, helps in anaerobic energy production (short intense bursts of energy such as sprinting or weightlifting) </li></ul>
    8. 8. <ul><li>Used as an athletes source of fuel in aerobic exercise </li></ul><ul><li>Stored in the muscles and liver as glycogen </li></ul><ul><li>Can be simple sugars or complex starches </li></ul><ul><li>Athletes can carb load prior to an event </li></ul><ul><li>Body can store up to 500g – fuel for approx about 18 miles running, athletes then ‘hit the wall’ (marathons) and have to convert to burning fat for fuel. </li></ul>
    9. 9. <ul><li>An essential nutrient with unlimited storage potential in the body </li></ul><ul><li>There is an optimal level for health & sport </li></ul><ul><li>Used as a fuel in long duration, moderate intensity exercise such as cycling, walking marathons, triathlons </li></ul><ul><li>Stores fat soluble vitamins </li></ul>
    10. 10. <ul><li>Vitamins, Minerals and other nutrients that are involved in the biochemical reactions of the body </li></ul><ul><li>Athletes may have greater requirements for certain nutrients such as antioxidants post exercise to neutralise free radicals </li></ul><ul><li>B Vitamins may be required in greater amounts to release energy during exercise </li></ul>
    11. 11. <ul><li>Whey protein is nutritionally complete and provides an adequate supply of amino acids </li></ul><ul><li>Repair and rebuild muscle </li></ul><ul><li>For athletes trying to build muscle in sports such as rugby, GAA, soccer, etc. </li></ul><ul><li>Protein should provide 12-15% of daily calories </li></ul>
    12. 12. <ul><li>An amino acid found abundantly in muscle </li></ul><ul><li>Conditionally essential during ilness/injury </li></ul><ul><li>Fuel for the immune system </li></ul><ul><li>Rebuild & repair injured muscle </li></ul><ul><li>Increase muscle size </li></ul>
    13. 13. <ul><li>Creatine is a tripeptide </li></ul><ul><li>Increase muscle power and size </li></ul><ul><li>Popular amongst weightlifters, bodybuilders and athletes trying to increase muscle size </li></ul><ul><li>Increase the amount of ‘instant’ energy available for short intense activities such as 100m sprints or weightlifting </li></ul>
    14. 14. <ul><li>All-in-one product (similar to Maximuscle Cyclone) </li></ul><ul><li>Combines the key nutrients: carbohydrate, whey, creatine, glutamine & arginine. </li></ul><ul><li>Increase muscle size & strength, increase immediate energy, rebuild and repair muscle </li></ul><ul><li>Popular amongst most athletes </li></ul>
    15. 15. <ul><li>Optimal ratio of carbohydrate to protein </li></ul><ul><li>Replenish glycogen energy stores </li></ul><ul><li>Repair injured muscle </li></ul><ul><li>Neutralize free radicals </li></ul><ul><li>Boost immune system </li></ul>