PE Theory Part 1

Why do athletes take anabolic steroids?
Increase muscle mass or speed up recovery time
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Why do athletes take Beta blockers?
have calming effect and reduce muscle tremor
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why do athletes take diuretics?
achieve quick weight loss
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why do athletes take narcotic analgesics?
increase pain threshold
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why do athletes take stimulants?
increase alertness
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why do athletes take Human Growth hormone (HGH)?
increase muscle mass
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why do athletes take EPO?
increase oxygen delivery to working muscles
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What are the health risks of anabolic steroids?
mood swings and liver damage
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What are the health risks of Beta blockers?
slow heart rate
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What are the health risks of diuretics?
dehydration
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What are the health risks of Narcotic analgesics?
insomnia
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What are the health risks of HGH?
heart failure
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What are the health risks of EPO?
blood clots
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Who might take anabolic steroids?
Sprinter
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Who might take beta blockers?
archery
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Who might take diuretics?
boxers
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Who might take narcotic analgesics?
footballers
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Who might take stimulants
rugby players
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Who might take HGH?
sprinters
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Who might take EPO?
distance runners
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Effects of alcohol on health?
liver disease/cancer
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Effects of smoking on health?
Lung cancer
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Effects of alcohol on performance?
slower reaction times
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Effects of smoking on performance?
breathlessness
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Heart rate is...
number of times your heart beats per minute
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Stroke Volume is...
amount of blood pumped out of left ventricle in one contraction
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Cardiac output is...
HR X SV
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Blood Pressure is...
force exerted by circulating blood on walls of blood vessel
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Immediate effects of exercise on CV system
Increase HR and BP
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Immediate physiological effects of exercise on CV system
Body Temp increases and breathing faster and deeper
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Long term effects of exercise on CV system
Faster Heart recovery rate and reduced BP
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Respiratory System
Nose--Trachea--Bronchi--Bronchioles--Aveoli
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Short Term Effects of exercise on R System
Breathing gets quicker
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Long Term Effects of exercise on R System
diaphragm and inter coastal muscles get stronger
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Voluntary muscle fibres move under...
Conscious Control
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Tendons attach...
muscle to bone
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Abduction is...
move away from body (ball and socket)
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Adduction is...
Move towards body (ball and socket)
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Rotation is...
movement around own axis (ball and socket)
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Flexion is...
angle of joint gets smaller (hinge)
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Extension is...
angle of joint gets larger (hinge)
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Isometric contraction
Muscles contract but no visible movement
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isotonic contraction
result in movement
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Short term effects of physical activity
Increase in muscle temperature, increase demand for oxygen, increased production of CO2, increase in lactic acid, muscle fatigue
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Other cards in this set

Card 2

Front

Why do athletes take Beta blockers?

Back

have calming effect and reduce muscle tremor

Card 3

Front

why do athletes take diuretics?

Back

Preview of the front of card 3

Card 4

Front

why do athletes take narcotic analgesics?

Back

Preview of the front of card 4

Card 5

Front

why do athletes take stimulants?

Back

Preview of the front of card 5
View more cards

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