Use of Energy Systems

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Practice Essay
In group acrobatics each of the energy systems assist in supplying the body for exercise movement including the ATP/PC system, the lactic acid system and the aerobic system, displayed in different types of movements throughout a group floor routine.

When undergoing an acrobatics routine the ATP/PC system is used for bursts of energy and quick, sharp movements that require a large amount of force or strength such as lifts and leaps. This system is utilised to perform these movements as they require short surges of energy. The ATP/PC system is quickly depleted, within 10 to 15 seconds and therefore movements requiring the use of this system are spread evenly throughout routines in order to allow time for the lactic acid and aerobic systems to replenish the levels of ATP/PC in the body.

The Lactic Acid system is used when performing group acrobatics in the conduction of constant holds and movement patterns from one corner to another while performing tumble runs. Lactic acid is used when executing moves at a high intensity, ranging between 75 and 90% and is used for these movements because they require intense movement for longer amounts of time then the ATP/PC system may be able to handle. Once the lactic acid system is minimal the aerobic system takes over allowing the lactic acid to regain energy. Recovery of the lactic acid system may take time which affects the time of recovery for the ATP/PC system. Both systems are anaerobic, meaning they do not use oxygen and therefore will always be exhausted eventually.

Group acrobatics makes use of the aerobic system through smaller movements and actions such as movements from lifts into tumble runs, stepping into the correct positioning and lower intensity dance components of a routine. The aerobic system is used for longer duration, low intensity actions and when in use allows time for the other systems to regain energy to be used once again. This system is used for these movements as they do not...
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