Stimulants Flashcards
Reasons for being banned
Performance enhancing
Adverse health effects
Rational for taking supplements
Correct deficiency
Convince
Performance enhancing
Keeping up with the competition
The IOC cologne study found what percentage of contaminated substance
14.8%
Supplements types
Fuels Nitrates Buffers Stimulants Antioxidants
What is a stimulant
Stimulate the central nervous system
What are legal stimulants
Caffeine Guarna Yerba mate Ma haung Ginseng
Illegal stimulants
Cocaine
Ephedrine
Amphetamine
What is caffeine
Alkaloid
1,3,7- trimethylxanthine
How long till peak caffeine level
30-60mins
Half life of caffeine
5hrs
Metabolism of caffeine affected by
Hepatic dysfunction
Habituation
Percentage of athletes using caffeine pre and post ban
7.01% and 7.55%
What group use caffeine the most
Cyclists
What is te optimal dose of caffeine
6mg per kg
What does caffeine stimulate at rest
Lipolysis
Is caffeine a diuretic
No
How does caffeine improve concentration
Makes participants feel more awake and alert but also more anxious
What does caffeine stimulate the sns of Pns and what shows it
Sns and increase in nor and adrenaline
One study showed improvements or decreases in caffeine by how much and what way
Reduces perceived exertion by 6%
Systematic review showed caffeine to improve endurance exercise by how much
4.3%
What changes on metabolism during exercise does caffeine have
None
How many studies out of how many showed improvements in performance
6/11
What is the optimum timing of consumption before event
60-90 mins
Dose sizes range from
2-6
What effects the dose size needed
If it is with cho and habituation
