an athlete’s goal during competition is to perform at their optimum level impairment of...
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Sports Nutrition
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Performance + Nutrition
An athlete’s goal during competition is to perform at their optimum level
Impairment of performance can be related to nutrition
Competition nutrition is based on strategies to reduce or delay the onset of factors that cause fatigue
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Exercise Intensity Your nutritional needs for sport will vary depending
on the intensity of the activity you are involved in.
How do yo know the intensity of your exercise?
If you can converse whilst exercising then its probably low intensity
If it is an effort and you have to take a sharp breath to speak, it is moderate intensity exercise
If you can hardly speak and are panting quite heavily then it is high intensity exercise
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Intensity Table
Low Intensity Moderate Intensity High Intensity
Walking on the flat Jogging (7km/hr) Running 10-15km/hr
Cycling on the flat Walking up hill Competitive sports
Golf Netball Cycling (race pace)
Gardening Weight training Squash
Lawn bowls Skiing Swimming (race pace)
Aqua jogging Aerobics Rowing (race pace)
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Nutrition in SportCompetition•The energy athletes use during competition comes from the foods consumed days before hand•High energy foods, carbohydrates, low fat
During•Avoid crisps, fatty foods, junk food•Athletes should consume a mix of high-carbohydrate food or liquid sports meals and drink carbohydrate drinks (sports drinks)
Recovery•Encourage athletes to drink plenty of fluids•Can take up to 72hrs to recover, but can be reduced to only 24 hrs by eating sufficient carbohydrate diet.•Recovery foods, fruit juice, fresh fruit, sandwiches, muffins
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What is a Glycaemic Index and what does it have to do with sports nutrition ??
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The Glyaemic Index
The Glyaemic Index (GI) is an indicator of the effect a carbohydrate food has on the body.
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Low GI
Low GI – Digested and absorbed slowly and glucose is released into the bloodstream over a long period of time
Benefits: longer exercise session or
improved performance in an endurance event
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High GI
High GI- Digested and absorbed quickly and raised blood sugar levels rapidly over a short period of time.
Benefits: Can be used DURING or AFTER an
event to provide energy fast.
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Glycaemic Index Table
Low GI eat prior to sports event
Moderate GIEat during & after sports event
High GIEat During & after sports event
Baked Beans Muesli bars Sports drinks
Brown Bread Rice Bubbles Sports gels
Muesli Cornflakes White bread
Porridge Brown Rice Jellybeans/Sweets
Pasta Ripe banana Honey
Long Grain White Rice Kiwifruit Glucose
Most Fruits Pineapple
Apple, Orange Juice Pita bread
Milk, Yoghurt Crumpet
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So what should I be eating ??
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Breakfast 7am
2 Slices toast/bread with 2 tbsp jam, honey or peanut butter1 cup cereal with ½ cup milk, small pot of yoghurt and a banana1 glass fruit juice1glass water
Mid-Morning10:30am
1 scone with thin spread margarine and jam1 apple1 glass water
Lunch 12noon
2 pita breads with lettuce, tomato, cold meat1 apple1 large cereal bar200ml flavoured milk1 glass fluid e.g. water
Mid AfternoonPre-training
1 sandwich with jam1 glass fluid e.g. water
Sample eating plan with enough carbohydrate and protein portions suitable for either a 55kg long distance runner training 1-2hrs per day or a 68kg soccer player training at least an hour per day or an 85kg person who walks an hours a day
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Before Training 1 Glass water
Training 5pm Water
After TrainingPost training snack
1 Banana1 Cereal Bar300ml Sports Drink
Dinner7:30pm
125g lean red meat1 ½ cups cooked riceStir-fried vegies e.g. broccoli, capsicum, beans2 Tbsp Raisins¼ cup Cashew nuts1 Glass water
Supper10pm
1 cup hot chocolate