PE: key terms 0.0 / 5 ? Physical EducationTermsGCSENone Created by: charlottesearleCreated on: 06-05-14 21:00 Define exercise An activity requiring physical effort to sustain or improve health and fitness 1 of 10 Define oxygen debt When the body is not able to supply the oxygen needed 2 of 10 Define vital capacity The amount of air forcefully inspired and expired during exercise 3 of 10 Define tidal volume The amount of air inspired and expired with each normal breath at rest or during exercise 4 of 10 Define Health A state of complete mental, social and physical well-being and not nearly the absence of infirmity or disease 5 of 10 Define Healthy lifestyle A lifestyle that contributes positively to physical, mental and social well-being, and includes regular exercise and physical activity 6 of 10 Define Isotonic Muscle changes in length when working i.e. Press ups 7 of 10 Define Isometric Muscle is working but no change in muscle length 8 of 10 Define fast twitch Muscle fibres contract quickly - sprinting/throwing/jump 9 of 10 Define slow twitch These contract more slowly but can work for long periods of time - endurance athletes 10 of 10
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