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Summary Energy systems
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AS level physical education notes
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careyneale2005
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improves fast twitchI/a fibres in muscles
causes fatiguing
by products: Glycogen stores no fatiguing 3- 4 mins recover
lactic acid buildup need to replenish Fuel: oxygen by products 4 minutes to full
due to lack of 02 to replenish recover pc store
HR: 80-901. Fuel: glycogen
anaerobic +
aerobic lack of 02
Type 2b
Fast twitch ATP-PC HR- 90%-1001.
Anaerobic A
Lactic Acids muscle fibres lasting up t
improve
mainly high e. gisoom 10s - 3 mins high intensity no oxygen
intensity track activity time used in activit
netball
recovery Energy Systems e. g 100m
energy produced 20-60 mins sprint
quickly as no running,
oxygen used swimming, 3 mins t
cycling, team
low games Takes up to 12-48 hrs
fatigue to restore glycogen
aerobic threshold, Aerobic stores
mod/low intensity Byproducts: uses oxygen
slow twitch H2O, CO2 HR 4801.
muscle fibres
long duration Fuel: glycogen + fats
uses fat ↳ from carbohydrates
stores improves v02 max
acronym
Duration
advantages disadvantages
intensity
ATP-PC PC stores replenish
quickly by oxygen
can only store a limited amount
of PC in body
no by products so no Fitness level
fatigue
no oxygen = fast production
of energy
shorter recovery long time to restore
aerobic training improves glycogen stores
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