1.3 Energy Use, Diet, Nutrition And Hydration Flashcards

1
Q

What are the components of a balanced diet?

A
Carbohydrates
Fates
Proteins
Vitamins
Minerals
Water
Fibre
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2
Q

What are the three macro nutrients?

A

Carbohydrates
Fates
Proteins

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3
Q

What are the two micro nutrients?

A

Vitamins

Minerals

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4
Q

What is the main function of carbohydrates?

A

For energy

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5
Q

What are the two types of carbohydrate?

A

Complex

Simple

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6
Q

Give three different foods which are complex carbohydrates

A

Potatoes
Brown rice
Wholemeal pasta
Wholemeal bread

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7
Q

Give three foods which are simple carbohydrates

A

Natural - fruit

Refined - biscuits, chocolate cakes

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8
Q

Why are complex carbohydrates better for an athlete?

A

They provide longer lasting, slow release energy

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9
Q

Give three examples of foods which are high in fat

A

Butter
Cheese
Cooking oils

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10
Q

What is the function of fats?

A

Energy - low intensity, long duration

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11
Q

What if the function of protein?

A

To build and repair muscle

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12
Q

Give three examples of foods which are high in protein

A
Fish
Meat
Nuts
Pulses - lentils, chickpeas
Milk
Eggs
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13
Q

Different sports require different amounts of the macro nutrients.
What macro nutrient would a sumo wrestler need more of?

A

Fats

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14
Q

Different sports require different amounts of the macro nutrients.
What macro nutrient would a sprinter need more of?

A

Protein

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15
Q

Different sports require different amounts of the macro nutrients.
What macro nutrient would a marathon runner need more of?

A

Carbohydrate

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16
Q

What macro nutrient is important for an athlete following training and competition to ensure maximum recovery?

A

Protein

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17
Q

Explain the term ‘carbo-loading’

A

The process where the week before a competition an endurance athlete will eat more carbohydrate than normal to build up their stores. This ensures they have maximum energy available for competition.

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18
Q

When should a power athlete take on protein?

A

Immediately after they have trained

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19
Q

Why is it important for a power athlete to take on protein immediately after they have trained?

A

Protein synthesis is at its highest
Minimise additional protein being broken down
Helps build muscle

20
Q

What is the function of vitamin C?

A

Helps to support the immune system, allows you to fight infection

21
Q

Why is it important for athletes to have sufficient levels of vitamin C in their diet?

A

It helps with the immune system. This reduced their chance of becoming ill. If they are ill they will not be able to train or compete at their best.

22
Q

What is the function of vitamin D?

A

Helps calcium to be absorbed which is essential for strong bones

23
Q

Why is it important for athletes to have sufficient levels of vitamin D in their diet?

A

Strong bones will reduce the risk of injury.

24
Q

What foods are high in vitamin D?

A

milk, fish, liver, eggs

25
Q

What is the function of calcium?

A

Formation of bones and teeth. Helps to make bones strong

26
Q

Why is it important for athletes to have sufficient levels of calcium in their diet?

A

Strong bone will reduce the risk of injury

27
Q

What foods are high in calcium?

A

Milk, cheese and cereals

28
Q

What is the function of iron?

A

Improves the oxygen carrying capacity of the blood

29
Q

Why is it important for athletes to have sufficient levels of iron in their diet?

A

The more oxygen that can be carried the longer an athlete can work aerobicaly

30
Q

What foods are high in iron

A

Red meats

Most food have some iron in

31
Q

What is the function/s of water?

A

Holds oxygen
Main component of many cells
Transports nutrients, waste and hormones
Controls the distribution of electrolytes (body salts)

32
Q

How is water lost during exercise?

A

Through sweat

33
Q

As well as water what else is lost in our sweat?

A

Electrolytes (body salts)

34
Q

Define dehydration

A

The loss of water and slats for normal body function

35
Q

What is the function of fibre?

A

Adds bulk to food and aids digestion

36
Q

What is the consequence of not having enough fibre in your diet?

A

You cannot remove waste products. If these build up in your body it can lead to disease.

37
Q

What are the factors that affect optimum weight?

A

Height
Bone structure
Muscle girth
Gender

38
Q

Explain how weight affects optimum weight

A

A taller person is most likely to be heavier than a shorter person

39
Q

Explain how bone structure affects optimum weight

A

People with heavier bone structure will normally be heavier in weight

40
Q

Explain how gender/sex can affect optimum weight

A

For a man and woman of the same height the man is likeley to weigh more as a result of denser bones and greater muscle girth

41
Q

How might the optimum weight differ for two people who play the same sport on the same team?

A

It might differ depending on the position they play.

42
Q

Give an example of two athletics events where optimum weight differs

A

10,000 m - light with very little fat or muscle mass

100 m - heavier with low fat and high muscle

43
Q

Define metabolic rate

A

The rate at which our body uses energy

44
Q

Is everyone’s metabolic rate different?

A

Yes

45
Q

Why should you not drink alcohol immediately after exercise?

A

It is a diuretic meaning it will make your body produce more urine and this removes water from your body.