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1
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- Glycogen Depletion and Repletion
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2
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- Blood sugar stored in the liver, muscles, and to a lesser extent the
bloodstream.
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3
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- Blood sugar stored in the liver, muscles, and to a lesser extent the
bloodstream.
- Glycogen helps to fuel muscle contractions.
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4
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5
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- Energy!
- From carbohydrates and fat
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6
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- Energy!
- From carbohydrates and fat
- Carbs stored in liver and muscles as glycogen
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7
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- Energy!
- From carbohydrates and fat
- Carbs stored in liver and muscles as glycogen
- Glycogen is quickly converted into glucose during exercise
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8
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- High intensity (anaerobic) exercise:
- Use large amounts of energy
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9
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- High intensity (anaerobic) exercise:
- Use large amounts of energy
- Main source of fuel is glucose
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10
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- High intensity (anaerobic) exercise:
- Use large amounts of energy
- Main source of fuel is glucose
- Low intensity exercise
(aerobic):
- Glycogen from carbs is the main fuel, then fat
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11
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12
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13
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14
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15
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- Control with proper diet
- Build up glycogen stores
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16
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- Control with proper diet
- Build up glycogen stores
- Repletion of glycogen stores will not happen without eating
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17
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- Daily for athletes in training:
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18
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- Daily for athletes in training:
- 55% carbohydrates
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19
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- Daily for athletes in training:
- 55% carbohydrates
- 30% fats
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20
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- Daily for athletes in training:
- 55% carbohydrates
- 30% fats
- 15% protein
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21
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22
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- 24 – 48 hrs to replenish
- Eat approximately .75 grams carbohydrate per pound
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23
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- 24 – 48 hrs to replenish
- Eat approximately .75 grams carbohydrate per pound
- A 200 pound person would need to eat 150 grams carbohydrate for several
hours post exercise
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24
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- Suitable high carbohydrate snacks to have after sports are:
- Bananas: 6 = 150 g carbohydrate
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25
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- Suitable high carbohydrate snacks to have after sports are:
- Cereal bars: 6 = 150 g
carbohydrate
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26
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- Suitable high carbohydrate snacks to have after sports are:
- Juice: 5 cups = 150 g
carbohydrates
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27
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- Suitable high carbohydrate snacks to have after sports are:
- Fresh or dried fruit
- 2/3 cup of raisins =
- 150 g carbohydrate
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28
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- Review
- Glucose from carbs burned first and faster
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29
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- Review
- Glucose from carbs burned first and faster
- Fat is burned more slowly
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30
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- Review
- Glucose from carbs burned first and faster
- Fat is burned more slowly
- Only after carb stores are depleted
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31
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- Review
- Glucose from carbs burned first and faster
- Fat is burned more slowly and
- Only after carb stores are depleted
- Eat right to maximize your training
and performance!
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32
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- Julie Dostel, email communication, 2/1/05
- http://www.medic8.com/healthguide/articles/sportsnutrition.html
- http://www.bodybuildingpro.com/nutritiondictionary.html
- http://www.brianmac.demon.co.uk/nutrit.htm
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33
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