There are three energy systems we use when we exercise.
PC/ alactic system- maximal intensity for less than 10secs-100m
lactic acid system- maximal intensity for >10secs<4mins- 400m
aerobic system- sub maximal intensity for >4mins- marathon
i am confused to the breakdown of each during a Netball match the lactic system is used for running back and forth alot without stopping The Aerobic system may be used by a C player. These players have to run continuously and are ultra fit. But the main system used is the lactic acid system. Most players would be using the lactic acid system, along with the Alactic system. This would allow players to use explosive amounts of energy for short bursts, such as a short lead, or rebound. The lactic acid system would be used for double leads, blocking players, etc.
Chat with our AI personalities
žThree energy systems: the ATP-PC system for high-intensity short bursts; the anaerobic system for intermediate bursts of quite high and there is the aerobic system for long efforts of low to moderate intensity.
žFootball is characterized by variations in intensity.
žFootball consists of short sprints, jogging, moderate paced running, walking and standing still.
žTherefore during a game all three energy systems are used.
žA study in England back in the 70's found that an outfield player covered around 8-11 km which 25% of the distance was covered walking, 37% was at a jogging pace, 7% was running backwards,20% done running below top speed and 11% sprinting.
žResearch in Japan confirmed these findings showing that around 70% of the distance was covered at a low to moderate intensity below 4 m/s, with the leftover 30% covered by running and/or sprinting at above 4 m/s.
žFor the time period of high-intensity done by a player the ATP-PC system and the anaerobic system will contribute the most due to them creating energy at a high rate.
žDuring low to moderate intensity periods the aerobic system contributes the most. This is around 70% of the game.
Sorry about the format but I just copied this from my powerpoint!
Stored potential energy in the body is converted into kinetic energy to be burned by the muscles activated in swimming and maintaining body temperature in cold or cool water.
The intensity and duration of swimming determines the relative contribution of the anaerobic ATP-PC and lactate energy systems, and the aerobic energy system. "In the shortest swimming event, the 50m sprint, the relative contributions for each of the systems are: ATP-PC 65%, anaerobic glycolysis (lactate) 30% and aerobic 5%. For a 200m event the contributions are; ATP-PC 10%, anaerobic glycolysis 20% and aerobic 75-80%. Open water or long-distance events almost exclusively on the aerobic energy system" (Australian Swimming Inc. 1997). Sports Science Advisory Group National Testing Protocols for Physiology. Brisbane 1997
The energy systems that are used in volleyball are mostly aerobic in nature. During play there will be a high intensity of anaerobic burst which will be followed by a recovery period that will be determined by the fitness level.
there are three main energy systems used in Water Polo which are ATP-PC, Aerobic and Anaerobic
creatine phosphate energy system, latic acid energy system and aerobic energy system
CP System- Creatine Phosphate
Lactic acid system- Produces lactic acid
Aerobic system- Efficent producer of energy