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Short term effects of exercise on the Musculoskeletal system

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Poppy Williams

on 24 November 2015

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Transcript of Short term effects of exercise on the Musculoskeletal system

Response to acute exercise
There are various responses to acute exercise within the musculoskeletal system these are:
Increased blood supply
Increase in muscle pliability
Increase range of movement
The muscle fibre micro tears
Blood supply
After short term exercise the musculoskeletal system responses with the blood supply is increased.
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, which is when the blood vessels expand to let the blood get to your muscles quicker whilst doing exercise in this case. This is also to get the nutrients your muscles needs too, for example fats and carbohydrates.
Your heart rate will increase due to the demand of oxygen your muscles need during exercise, this is so the blood will travel to your muscles quicker than usual in order for them to function successfully within the short period of time.
Muscle pliability
During short term exercise the muscle pliability is increased, meaning that your muscles are more flexible if they are pliable.
If the muscles are pliable this can reduce the risk of you getting an injury. This is why it is good to warm up rather than going straight into sport as when your muscles are warm they can decrease the likelihood of you getting an injury.
Range of movement
The range of movement increases during short term exercise of the musculoskeletal system.We will produce more synovial fluid.
The range of movement increases due to the joints becoming warmer during exercise, this increases the bodies temperature and results in the synovial fluid becoming thinner and warmer, making movement more efficient. Also muscles and connective tissue (ligaments & tendons) get warmer, this makes them more elastic. The warmer they become the further they can stretch, and will allow joints to move more freely.This happens because exercise makes our joints move quickly, therefore we need more synovial fluid in the joints to allow and assist movement, overall making it faster and greater movement.

Short term effects of exercise on the Musculoskeletal system
Muscle fibre
The muscle fibre micro tears as an effect of short term exercise. Each muscle is made up of thousands of individual fibres, as the muscles work most slightly tear. Muscle fibres during exercise pull against one another in result if it is intense exercise or for a certain period of time, this is why you ache after exercise. Every time a fibre tears it repairs itself and grows back thicker and stronger, making more dense fibres.
Resting after exercise is good for your microfibres to repair these micro tears which will also result in your muscle size gaining more muscle after healing as the microfibres are rebuilt up into stronger muscle fibres.
Whilst exercising our joints need to move quickly and fast, this is why we need the more of the synovial fluid to allow and assist movement in our joints when moving our joints quickly during exercise.
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