The Energy Interplay System Within The 20 Metre Beep Test

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This report will discuss the work of the energy interplay system in relation to a subject’s result in the 20 metre beep test . Energy system interplay refers to the work done by the three energy systems (ATP-PC, Anaerobic and Aerobic) to provide the body with the necessary amount of adenosine triphosphate (ATP) to complete certain physical activities depending on their intensity and duration. As stated before the three energy systems used by the body are the ATP-PC, anaerobic glycolysis and aerobic system. The ATP-PC and anaerobic glycolysis system (also known as lactic acid system) are anaerobicly based meaning that they don’t need a sufficient amount of oxygen to produce ATP. The aerobic system requires oxygen to produce ATP hence its name. All three system have fuels’ which produce energy. The ATP-PC uses phoso creatine and creatine phosphate, the lactic acid system uses glycogen and the aerobic system uses glycogen and triglycerides . Glycolysis refers to the breaking down of glycogen to from glucose which is used in ATP. The beep test is the subject received a score 13.5, this meant that the subject covered a distance of 2460 metres and ran for a period of 13 minutes and 2 seconds. Their starting heart rate was 110 and they reached a maximum of 197. Lastly their final rate of perceived exertion (RPE) was 9 meaning they found themselves working ‘really, really hard’ and at maximum intensity at the completion of the test. Figure 3 showcases a interval to interval

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