Kinesiology Books Publisher 1 Table of Contents Kinesiology Books Publisher 2 Energy For Muscular Activity Kinesiology Books Publisher 3 Muscles contraction requires energy Must be sufficient ID: 1030372
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1. Chapter 7Energy for Muscular ActivityKinesiology Books Publisher 1
2. Table of ContentsKinesiology Books Publisher 2
3. Energy For Muscular ActivityKinesiology Books Publisher 3 Muscles contraction requires energy Must be sufficient Amount Rate 3 energy systems with different amounts and rates
4. Chemistry of Energy ProductionKinesiology Books Publisher 4
5. Adenosine Triphosphate (ATP)Fuel’s all biochemical processesBody’s energy currencyHydrolysisATP Adenosine Diphosphate (ADP) + free phosphate (P)Energy liberated for muscle contractionATP resynthesisADP + P ATPEnergy from breakdown of carbohydrates, protein and fatChemistry of Energy ProductionKinesiology Books Publisher 5
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7. Three Energy SystemsImmediate Energy: Phosphagen SystemShort-term Energy: Glycolytic SystemLong-term Energy: Oxidative SystemKinesiology Books Publisher 7
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9. Immediate Energy: Phosphagen SystemKinesiology Books Publisher 9 Anaerobic Alactic SystemCreatine phosphate (CP)Broken down to PCombines with ADP1 ATPSmall amounts of muscle CP and ADP storedShort duration, very high intensity activitiesE.g., shot put, sprint, weightlifting
10. Kinesiology Books Publisher 10 CPATPCreatine phosphateADP++=
11. CharacteristicsLarge amounts energy produced in a short timeFast recoveryRequires sufficient local supply of CPSmall and depleted rapidlyRest and recovery needed quickly7-12s @ very high intensity15-30s @ moderate intensity
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