Energy Systems
- Created by: z_mills1
- Created on: 17-12-14 17:09
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- Energy Systems
- ATP
- our energy currency, found in all cells
- when broken down it releases stored energy
- ATP + ATPase = ADP + P + energy
- ATP resythesis - achieved in 3 different ways (systems)
- each system operates at the same time
- duration and intensity of exercise dictates which system is predominantly used
- Energy sources
- Carbohydrates (stored as Glycogen)
- stored in the muscles and liver
- quickly broken down into glucose to be used as a source of ATP by muscles
- Fats
- glycerol and fatty acids formed during digestion of fats stored as triglycerides
- glycerol can be converted to glucose when glycogen stores have been depleted e.g. during marathon
- Phosphocreatine
- stored within muscle cell
- limited stores
- used to resynthesise ATP in first 10secs of intense exercise
- Glucose
- main form of carbohydrate
- dissolves in blood plasma
- used by all cells and tissues as energy source
- Carbohydrates (stored as Glycogen)
- ATP
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