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ENERGY SYSTEMS
LEARNING COMPETENCIES2.Explain how to optimize the energy systems for safe andimproved performance3.Relationship of health behaviors to health risk factors andphysical activity assessment performance
Doing various physical activities, our body needs specific amount ofenergy to make us function well and better.The main source of our energy is the food we eat. Eating before doingexercise can contribute to our performance.Adenosine Triphosphate(ATP)supplies energy to musclecells for muscularcontraction duringphysical activity.
ATPATP is found in all cells of the body – but due to it being a largemolecule there is a limited number of ATP in cells.
THREE MAJOR ENERGY SYSTEMS!°'2?:D;6±;6)4 >9_^^YXZYYKU]S(AKA Alactic System),"°-82R\R_^^NIS_UR\R_^^ZYYOYONIS >9_^^YXZYYKU]S(AKA Lactate System)#$°:^]]OYOOJTLGQZYYOYO\[[KU >9_^^YXZYYKU]S(aka Aerobic System)Anaerobic
AEROBIC ENERGY SYSTEMםIt uses both carbohydrates and fat in a slow energy burnםIt provides energy for low activities intensity that last fromtwo minutes to a few hours.םItUHTXLUHV PXFK ORQJHU R[\JHQin muscles in doing physicalactivities compared to ATP-CP and glycolytic energysystem.
PHYSICAL ACTIVITIES FOR AEROBICENERGY SYSTEMםDistance swimmingםRunningםPlaying sportsםCardio machinesםDancingםKickboxingםHiking
ALACTIC (ATP-PC) ENERGY SYSTEMםA dominant source of muscle energy for high intensity physicalactivities.םIt provides high bursts of start up energy that lasts around tenseconds or less.םIt provides immediate energyZLWKRXW UHTXLULQJ bQ\ R[\JHQandGRHV QRW SURGXFH ObFWLF bFLG±
LACTIC ENERGY SYSTEMםAlso known as theNSR`_JVUSR`_[ZPJenergy system, that supplies energyfor medium to high intensity physical activities.

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Term
Fall
Professor
Maxine

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