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Nutrition > Stimulants > Flashcards

Stimulants Flashcards

0
Q

Reasons for being banned

A

Performance enhancing

Adverse health effects

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1
Q

Rational for taking supplements

A

Correct deficiency
Convince
Performance enhancing
Keeping up with the competition

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2
Q

The IOC cologne study found what percentage of contaminated substance

A

14.8%

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3
Q

Supplements types

A 
Fuels
Nitrates
Buffers
Stimulants
Antioxidants
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4
Q

What is a stimulant

A

Stimulate the central nervous system

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5
Q

What are legal stimulants

A 
Caffeine
Guarna
Yerba mate
Ma haung 
Ginseng
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6
Q

Illegal stimulants

A

Cocaine
Ephedrine
Amphetamine

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7
Q

What is caffeine

A

Alkaloid

1,3,7- trimethylxanthine

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8
Q

How long till peak caffeine level

A

30-60mins

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9
Q

Half life of caffeine

A

5hrs

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10
Q

Metabolism of caffeine affected by

A

Hepatic dysfunction

Habituation

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11
Q

Percentage of athletes using caffeine pre and post ban

A

7.01% and 7.55%

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12
Q

What group use caffeine the most

A

Cyclists

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13
Q

What is te optimal dose of caffeine

A

6mg per kg

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14
Q

What does caffeine stimulate at rest

A

Lipolysis

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15
Q

Is caffeine a diuretic

A

No

16
Q

How does caffeine improve concentration

A

Makes participants feel more awake and alert but also more anxious

17
Q

What does caffeine stimulate the sns of Pns and what shows it

A

Sns and increase in nor and adrenaline

18
Q

One study showed improvements or decreases in caffeine by how much and what way

A

Reduces perceived exertion by 6%

19
Q

Systematic review showed caffeine to improve endurance exercise by how much

A

4.3%

20
Q

What changes on metabolism during exercise does caffeine have

A

None

21
Q

How many studies out of how many showed improvements in performance

A

6/11

22
Q

What is the optimum timing of consumption before event

A

60-90 mins

23
Q

Dose sizes range from

A

2-6

24
Q

What effects the dose size needed

A

If it is with cho and habituation

Nutrition (11 decks)

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