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Phosphocreatine energy System recap exercise.

Phosphocreatine energy System recap exercise. Q1. How long does this system provide ATP re-synthesis for? Q2. Name 2 +/- of this energy system. + = Fast ATP re-synthesis, No delay in Energy, provides energy for high intensity work, recovers quickly, No harmful by-products.

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Phosphocreatine energy System recap exercise.

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  1. Phosphocreatine energy System recap exercise. Q1. How long does this system provide ATP re-synthesis for? Q2. Name 2 +/- of this energy system. + = Fast ATP re-synthesis, No delay in Energy, provides energy for high intensity work, recovers quickly, No harmful by-products. - = Small amounts of PC stored, only lasts 10secs, only one mole of ATP re-synthesised from 1 mole of PC Q3. Name two sporting examples which predominantly use this energy system. What is your score out of 6?

  2. The Lactic Acid energy system • Aims: • To know and understand the re-synthesis of ATP through this energy system. • To know the advantages and disadvantages of this energy system. • Be able to relate this energy system to relevant sporting examples.

  3. Overview • After 10 seconds of exercise, when our PC stores have been used up, our body needs to derive energy from other systems. • When would the Lactic Acid system be used? • When we exercise for longer than 10 seconds when we do not use Oxygen (anaerobic work lasting longer than 10 secs) • With the person next to you discuss possible Sporting examples which use this energy system.

  4. Food for energy • The food we eat cannot directly be used as an energy source. • What are the 3 food groups? • Carbohydrates are broken down into glucose and stored within our muscles as Glycogen. The Glucose/Glycogen can then be used to re-synthesise ATP.

  5. Anaerobic Glycolysis.“The process of breaking down glucose into Pyruvic acid, which releases two molecules of ATP” GLYCOGEN/GLUCOSE Sarcoplasm 2 ATP Enzymes LACTIC ACID PYRUVIC ACID Enzymes

  6. With the person next to you discuss the possible advantages and disadvantages of this energy system.

  7. Homework. • Answer the exam question: • Describe the lactic acid system of ATP production and give an example within a team game when this energy system is predominantly used [6 marks].

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