core 2: factors affecting performance presented by … or false? a 100m sprinter would...
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© Ben Carr & Edrolo 2016
Energy Systems Core 2: Factors Affecting Performance
Presented by Ben Carr
HSC PDHPE
Energy Systems • Alactacid system (ATP/PC) • Lactic acid system • Aerobic energy system
Syllabus dot points
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Introduction
Analyse each energy system by exploring
• Source of fuel
• Efficiency of ATP production
• Duration the system can operate
• Causes of fatigue
• By-products of energy production
• Process and rate of recovery
© Ben Carr & Edrolo 2016
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© Ben Carr & Edrolo 2016
Energy Systems
Energy
Anaerobic
ATP-‐PC (PC Glycolysis (CHO) Lac:c
Acid
Aerobic
Glycolysis (CHO) Lipolysis (Fat)
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© Ben Carr & Edrolo 2016
Energy Systems
Energy
Anaerobic
ATP-‐PC (PC Glycolysis (CHO) Lac:c
Acid
Aerobic
Glycolysis (CHO) Lipolysis (Fat)
![Page 5: Core 2: Factors Affecting Performance Presented by … or False? A 100m sprinter would predominantly use the ATP/PC system True. Short event: only requires the stored ATP and PC that](https://reader033.vdocument.in/reader033/viewer/2022042708/5ac132b27f8b9aca388cc09d/html5/thumbnails/5.jpg)
Theory: Alactacid system
© Ben Carr & Edrolo 2016
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© Ben Carr & Edrolo 2016
Alactacid (ATP/PC) System
Source: hCps://www.youtube.com/watch?v=wVfNVVTjBKU
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© Ben Carr & Edrolo 2016
Concentration of ATP ATP Store
Rate of Energy Production Over Time
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© Ben Carr & Edrolo 2016
Concentration of ATP
ATP Store
ATP – PC system
Efficiency • Rapidly Available • Limited Supply
ATP/PC systems (Anaerobic)
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© Ben Carr & Edrolo 2016
Concentration of ATP
ATP Store
ATP – PC system
Duration • Within 1 – 2 sec • 10 – 12 sec with
PC
ATP/PC systems (Anaerobic)
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© Ben Carr & Edrolo 2016
Concentration of ATP
ATP Store
ATP – PC system
Cause of Fatigue • Bodies inability
to resynthesise ATP.
• Occurs when we run out of PC.
ATP/PC systems (Anaerobic)
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© Ben Carr & Edrolo 2016
Concentration of ATP
ATP Store
ATP – PC system
By products: • Heat
ATP/PC systems (Anaerobic)
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© Ben Carr & Edrolo 2016
Concentration of ATP
ATP Store
ATP – PC system
Rate of recovery: • About 2 minutes
to fully regain normal levels of PC
ATP/PC systems (Anaerobic)
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ATP/PC systems (Anaerobic) sporting example
Source: hCps://www.youtube.com/watch?v=t9U9GdYWuI0
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True or False? A 100m sprinter would predominantly use the ATP/PC system
© Ben Carr & Edrolo 2016
Fact Check
Source: Image source: https://commons.wikimedia.org/wiki/File%3AAthlete_at_starting_block.jpg
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True or False? A 100m sprinter would predominantly use the ATP/PC system
True. Short event: only requires the stored ATP and PC that we have in our bodies.
© Ben Carr & Edrolo 2016
Fact Check (Answer)
Source: Image source: https://commons.wikimedia.org/wiki/File%3AAthlete_at_starting_block.jpg