ENERGY. The body needs energy to survive The only form of energy the body uses is called ‘ATP’ There are 3 (energy systems) ways in which the body can.

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Presentation transcript:

ENERGY

The body needs energy to survive The only form of energy the body uses is called ‘ATP’ There are 3 (energy systems) ways in which the body can create ATP Intensity of exercise depends on which of the 3 systems is used to supply the fuel for ATP production

ENERGY SYSTEMS There are 3 energy systems 1.Creatine Phosphate 2.Lactic Acid 3.Aerobic

Creatine Phosphate Supplies energy very quickly Does not require oxygen so is classed as anaerobic Your muscles only stores around 10 seconds worth of creatine phosphate before it is all used up

Lactic Acid Supplies energy quickly but not as fast as C.P. Stores for this energy production are higher from 10 seconds 40 seconds The waste product from this system Lactic Acid makes the muscles feel sore and tired and will eventually stop This system is also anaerobic

Aerobic Supplies energy a lot slower than the other two systems However this system can supply energy for as long as required so long as there is food than can be used to create the energy This system requires oxygen which is the reason why its the slowest reaction This is known as Aerobic

AEROBIC/ANAEROBIC Aerobic: Requires oxygen in a reaction Anaerobic: No oxygen required for reaction What do these two terms mean?

AEROBIC ACTIVITIES FOOTBALL MARATHON TOUR DE FRANCE BASKETBALL 400M SWIMMING

ANAEROBIC ACTIVITIES 100M WEIGHTLIFTING GYMNASTICS SHOT PUTT 50M SWIMMING 400M RUNNING

INTENSITY OF ACTIVITY Sports require you to work at different speeds, intensity and durations. A way to measure intensity is by how much energy they use. This can be measured in Kilocalories per hour

INTENSITY OF EXERICSE 100m sprint Marathon Tour de France Basketball Squash Swimming (recreational) Tennis Shot putt Weightlifting Javelin Walking HIGHEST INTENSITY LOWEST INTENSITY

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