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The muscles are moving antagonistically.

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14y ago

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What muscle relaxes and what muscle works?

I think what your after is called an antagonistic pair of muscles, for example the bicep and the tricep. When the bicep is contracting the tricep relaxes and when the tricep is contracting the bicep relaxes.


Which muscles contract when forearm is flexed at the elbow?

Both the tricep and the bicep are muscles which control rotational movement at the elbow. The bicep contracts when the forearm is flexed, and the tricep contracts when the forearm is extended.


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What muscles surround the humerus bone?

The bicep on the front and the tricep on the back.


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There are two main ones, the tricep and the biscep. The tricep bicep is on the inside angle as defined by your elbow, the tricep is on the outside.


How your arm uses muscles to move?

Your arm uses its bicep and tricep muscle to move. Muscles can only contract so they have to work in pairs. Ex. Bicep and tricep One muscle contract, the other relaxes


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I think it might be a bicep and a tricep


Bending the arm what the muscles are doing?

The Bicep muscle (one on top) is contracting The Tricep muscle (one below) if relaxing The Bicep and Tricep muscles are antagonistic- they work as opposites, so when one contracts, the other relaxes.


What muscle works in pair?

Examples are the Quadricep and the Hamstring, or the Bicep and the Tricep. Without the pair muscle, once an action was carried out, there would be no way to undo it.


When you straighten your arm the tricep and the bicep?

The tricep contracts and the bicep relaxes.