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How your muscles work.

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How do your muscles work?

 

Click on the picture below to find out more.

 

 

 

Muscles

Muscles are attached to bones by tendons and help them to move.

When a muscle contracts (bunches up), it gets shorter and so pulls on the bone it is attached to. When a muscle relaxes, it goes back to its normal size.

Muscles can only pull and cannot push. Therefore muscles have to work in pairs to move a joint. One muscle will contract and pull a joint one way and another muscle will contract and pull it the other.

 

1.What are your bones attached to?

2. Can muscles pull?  Can they push?

3. Can muscles work on there own?

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