PE: key terms

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Define exercise
An activity requiring physical effort to sustain or improve health and fitness
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Define oxygen debt
When the body is not able to supply the oxygen needed
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Define vital capacity
The amount of air forcefully inspired and expired during exercise
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Define tidal volume
The amount of air inspired and expired with each normal breath at rest or during exercise
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Define Health
A state of complete mental, social and physical well-being and not nearly the absence of infirmity or disease
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Define Healthy lifestyle
A lifestyle that contributes positively to physical, mental and social well-being, and includes regular exercise and physical activity
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Define Isotonic
Muscle changes in length when working i.e. Press ups
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Define Isometric
Muscle is working but no change in muscle length
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Define fast twitch
Muscle fibres contract quickly - sprinting/throwing/jump
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Define slow twitch
These contract more slowly but can work for long periods of time - endurance athletes
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Other cards in this set

Card 2

Front

Define oxygen debt

Back

When the body is not able to supply the oxygen needed

Card 3

Front

Define vital capacity

Back

Preview of the front of card 3

Card 4

Front

Define tidal volume

Back

Preview of the front of card 4

Card 5

Front

Define Health

Back

Preview of the front of card 5
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