A Level PE - Energy Systems

Quiz by slidingtacos
Last updated: February 3, 2018
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First submittedFebruary 3, 2018
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The fluid that surrounds the nucleus of a muscle fibre and is the site where anaerobic respiration takes place
A reaction that can occur without the presence of oxygen
The only usable form of energy in the body
Adenosine Triphosphate (ATP)
A process in which glucose is converted to pyruvate to produce energy
An energy-rich phosphate compound found in the sacroplasm of the muscles
Phosphocreatine (PC)
The process where lactic acid is transported in the blood to the liver where it is converted to blood glucose and glycogen
The Cori Cycle
The maximum volume of oxygen that can be taken up and utilised by the muscles per minute
V-O2 max
The restoration of ATP and PC stores and the re-saturation of myoglobin with oxygen
Fast component
The point when lactate levels go above 4 millimoles per litre
Onset of Blood Lactate Accumulation
Energy system that produces high powered energy for high intensity effort in events such as the 100m
Type of training that aims to improve multi-directional movement through developing the neuromuscular system
Speed, Agility and Quickness Training
Involves repeated rapid stretching and contracting of muscles to increase muscle power
A series of cyclical chemical reactions that take place using oxygen in the matrix of the mitochondrion
Krebs Cycle
When there is not enough oxygen available at the start of exercise to provide all the energy (ATP) aerobically
Oxygen deficit
The amount of oxygen consumed during recovery above that which would have been consumed at rest during the same time
Post Exercise Oxygen Consumption
Conversion of lactic acid back into pyruvic acid and oxidised into carbon dioxide and water in inactive muscles and organs after exercise
Slow component
Involves a series of chemical reactions in the cristae of the mitochondria where hydrogen is oxidised to water and 34 ATP are produced
Electron Transport Chain
The point during exercise at which lactic acid quickly accumulates in the blood
Lactate Threshold
The calculation of heat in physical changes and chemical reactions
Usually done at 2500m+ above sea level where the partial pressure of oxygen is lower
Altitude Training
The ratio carbon dioxide produced compared to oxygen consumed
Respiratory Exchange Ratio (RER)
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