Term
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Definition
| Glyceamic index is a system that ranks foods on a scale from 1 -100 in account to what effect they have on blood-sugar levels. High GI foods have high blood sugar levels and therefore low GI foods have lower blood sugar levels. High GI foods are rapidly broken down giving a us a quick energy boost followed by increase hunger after (that's bad). Low GI foods are slowly broken down giving us a more gradual but longer energy boost and won't give a us a bad rise in blood sugar levels followed by a rapid low (High GI foods do this. Low GI foods will also leave us fuller for longer! |
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Term
| How much fat and sugar should you consume |
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Definition
Fat (40-80) : GO for 50 grams
Sugar : Limit of 90 grams |
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Term
How much KJs do you burn for these activities?
Walking (3.5KM/H)
Watching TV
Walking at (7.5km'/h)
Walking at (5km/h)
Cycling at 10km/h
Cycling at 20km/h
Jogging at 9km/h
Jogging at 11.6km/h |
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Definition
Walking (3.5KM/H) - 1000 kj/h
Watching TV - 378 kj/h
Walking at (7.5km'/h) - 1800kj/h
Walking at (5km/h) - 1300kj/h
Cycling at 10km/h - 1000
Cycling at 20km/h - 1000
Jogging at 9km/h - 3000
Jogging at 11.6km/h - 3800 |
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Term
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Definition
| Refers to a balance between energy input (kJ) and energy output (living and exercising). |
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Term
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Definition
| When less food (energy) is consumed than exercise performed, the body converts body fat to energy and weight decreases. This is called Negative Energy Balance. |
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Term
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Definition
| When more food (energy) is consumed than exercise performed, the extra energy is stored as body fat and weight increases. This is called Positive Energy Balance. |
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Term
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Definition
Weight (kg)
-----------
Height(m)(squared) |
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Term
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Definition
18.5-24.9 healthy
25-29.9 - Overweight
Over 30 - Obese
Under 18.5 - Underweight |
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Term
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Definition
Multigrain bread
Weet Bix
Fruit
Vegetables
Low Fat Diary
All Bran
Rice |
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Term
| Examples of High GI foods |
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Definition
White bread
Potato
Museli Bars
Lollies
Wholemeal Bred
Cornflakes |
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Term
| When do you eat High GI foods |
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Definition
| After you exercise so you immediately as energised if you are all drained. |
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Term
| When do you eat low GI foods |
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Definition
| Before you exercise so you have a gradual amount of energy that is sustained throughout your endurance event. |
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Term
| Process of Carbohydrate Digestion |
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Definition
| CHO are broken down by complex chemical reactions to provide gluocse for the body to use as energy |
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Term
| High GI foods are often bad, why? |
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Definition
| They are bad because the blood glucose levels keep flucuating making you want want to eat more bad High GI foods that often supply bad nutrition. |
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Term
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Definition
| Low Gi foods are slowly broken down so they release energy from the food (kj) slower to get you a gradual source of energy. High Gi are rapidly broken down so they release energy quickly and you get a quick boost and require much more energy after that for sustainance of your body. |
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Term
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Definition
| Doesn't account for muscles mas |
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Term
Amount of Kj in one kilo of:
fat
carbs
protein
alcohol
water |
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Definition
fat - 37kj
carbs - 16 kj
protein - 17kj
alcohol - 29kj
water - 0kj |
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Term
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Definition
Saturated fats (bad)
Poly/Mono unsaturated fat - good
Trans fat (bad)
Cholestrol (bad) clogs up airways |
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