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muscle pliability
during short term exercise muscle pliability is increased this means the muscles are more flexible. if the the muscles are pliable it prevents and reduces any chance of getting an injury this is why we warm up rather than just going straight into sport because when your muscles are warm you can decrease the likelihood of getting an injury.

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hypertrophy- the ripping of muscles to make the muscles bigger and stronger, this uses protein( amino acids) to repair the muscles so that it can continue to grow. this can be caused when the muscles fibres are overloaded

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as the muscles are working harder they will have a higher demand for o2 in order to carry on working to the same level. for this to happen the blood supply will need to increase. This is done because a persons heart rate and breathing rate will increase in order to obtain more o2 and transport it to the muscles

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Increased blood supply
Need more O2 so higher blood supply rich with O2
Increase in  muscle pliability

Increase range of movement
Increase in synovial fluid means more range of movement
Muscle fibre tears

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As you exercise, the blood vessels in your muscles dilate and the blood flow is greater.

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Increased  pliability within the muscles due to the lactic acid. This means that  your muscles adjust and are flexible. The reason the lactic acid helps this is that   by adjusting muscles the lactic acid that is present in the muscle clears up

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increase blood supply. in the body the red blood cells are used to transport the oxygen around the body. To do this efficiently and quicker blood vessels expand to allow more blood to enter the muscles.
increase in  muscle pliability.
having pliability means the muscles adjust and are flexible.muscles adjust during exercise because the muscles contain lactic acid. having pliable muscles decrease the risk of muscle strains.

increase range of movement.
the production of synovial fluid increase in the joints which is why there is an increase range of movement at the joints in short term exercise. synovial fluids function is to lubricate joints which make the joints more supple.

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when you start exercising the body has a higher demand for oxygen and other nutrients which include carbohydrates and fat to be able to produce adenine phosphate, furthermore, the red blood vessels expand to allow more red blood cells to pass around the body, the blood is pumped around the body through contraction of the heart. the blood is pumped to the muscles that require it as they need more oxygen and nutrients to participate in physical exercise, following this the blood supply to organs that dont require as much is lowered, the rate in which blood is pumped around the body increases and as a result so does the heart rate to allow this, following on from this the body becomes warmer to allow the muscles to become more pliable the heat from the body is removed from visodilation.

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Increased Blood supply
The blood supply increases due to your muscles needing more oxygen supplied to them during exercise as the red blood cells will deliver oxygen to the working muscles. in result of this vasodilation occurs this is when the blood vessel expand in order for the blood to get to your muscles quicker whilst doing exercise. this also helps provide nutrients that your muscles will need. an example of this could be fats and carbohydrates.your heart rate will also increase due to the demand of oxygen that your muscles require when completing physical activity, this is so the blood will travel to the muscles quicker than usual in order for them to function successfully within a short period of time

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increased blood supply because increased breathing rate and a higher heart rate, this means that more oxygen is being transported to the muscles via haemoglobins and the plasma in the blood because the parasympathetic received a message from the medulla oblangata that there are higher rates of acidity (co2/lactic acid) from the chemoreceptors and this them sends a message to the sa/av nodes ( pace maker) to increase heart rate and then this controls the bundle of his/ purkinje fibres to contract the left ventricle.

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blood supply is redirected to the working muscles from the organs.blood supply increases to the skin to cool the body down.
muscle pliability increases due to the increase in tempter as well as due to the fibers being stretched range of movement increases due to muscles being warm
when muscle are damaged due to the intensity being increased.