Diet Flashcards

1
Q

What is a balanced diet made up of?

A

55% carbohydrates, 15% proteins and 30% of fats

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2
Q

What is the function of carbohydrates?

A

Store excess glucose as glycogen and turn it into glucose when needed

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3
Q

What can athletes gain from carbohydrates?

A

Can allows aerobic and anaerobic energy production

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4
Q

What is an example of a source of carbohydrates?

A

Potatoes and fruit

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5
Q

What is the function of proteins?

A

Allow growth and repair of muscles, makes haemoglobin and enzyme and muscle production

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6
Q

What can athletes gain from proteins?

A

Faster recovery from training

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7
Q

What is an example of a source of protein?

A

Eggs and meat

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8
Q

What is the function of fats?

A

Aerobic energy production- 2x the energy yield of carbohydrates

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9
Q

What are the two types of fats?

A

Saturated and unsaturated

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10
Q

What type of fat is unhealthy for an individual?

A

Saturated fat and it can lead to weight gain/ cardiovascular disease

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11
Q

What is an example of saturated and unsaturated fats?

A

-saturated- bacon

-unsaturated- avocado

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12
Q

What is the function of minerals?

A

Increase in enzyme production which breaks down fuel

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13
Q

What can athletes gain from minerals?

A

Prevents bones from fracturing

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14
Q

What is an example of a source of minerals?

A

Calcium and iron

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15
Q

What is the function of vitamins?

A

Increased immunity

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16
Q

What can athletes gain from vitamins?

A

Increases the ability to train and perform without disruption

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17
Q

What is an example of a source of vitamin?

A

A-antioxidant, B-breakdown of food

18
Q

What is the function of fibre?

A

Used for the Efficiency of the digestive system

19
Q

What do athletes gain from fibre?

A

Allows athletes to absorb more nutrients for energy production

20
Q

What is a source of fibre?

21
Q

What is the function of water?

A

-allows blood transport, due to 90% of blood plasma being water which delivers glucose to the muscles

-regulates temperature via sweat- lack of water leads to dehydration which decreases blood plasma volume and increases heart rate

-

22
Q

What is energy expenditure a sum of?

A

Basal metabolic rate (BMR), the térmica effect of food (TEF) and the energy expenditure in physical activity.

23
Q

What is Thermic effect of food?

A

It’s the energy required to absorb food

24
Q

What is the physical activity energy expenditure?

A

The total number of calories required to perform daily tasks in estimated MET values

25
What is MET? 
The ratio of of a performers metabolic rate to restring metabolic rate 
26
What is BMR? 
The calories needed to maintain vital functions 
27
What are ergogenic aids? 
A substance, object or method used to improve or enhance performance
28
What are pharmacological aids? 
A group of ergogenic aids taken to increase the levels of hormones or neural transmitters naturally produced in the body. 
29
Why are anabolic steroids taken? 
To promote protein synthesis and muscle growth
30
What sports is anabolic steroids usually associated with? 
Sprinters, throwers and rugby players 
31
What are the positives of anabolic steroids? 
-increased speed of recovery  - increased intensity and duration of trading  - increased muscle mass and strength 
32
What are the risks of anabolic steroids? 
-aggression  -mood swings  - Acne 
33
Why is RhEPO taken by athletes? 
To increase red blood cell production
34
What sport performers is RhEPO associated with? 
Endurance performers 
35
What are the positives of RhEPO? 
-increase red blood cells & haemoglobin count  - increased intensity and duration of performance before fatigue 
36
What are the negatives of RhEPO?
increased risk of blood clots and heart failure  - decreased natural production of EPO
37
Why is human growth hormone taken? 
Increases protein synthesis for muscle growth, recovery and repair 
38
What sports performers is human growth hormone associating with? 
-power lifters  -body builders 
39
What are the positives of human growth hormone? 
-increased muscle mass and strength  - increased speed of recovery  -increased blood glucose levels 
40
What are the negatives of human growth hormone? 
increased risk of certain cancers and diabetes  - abnormal bone and muscle development