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  • The Biceps contract when the triceps relax and the biceps relax when the triceps contact!! The humerus are a bone therefore it just makes the arm supported... (if you want to add anything to this just do it!!!)
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14y ago

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Related Questions

What muscles surround the humerus bone?

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


When you straighten your arm the tricep and the bicep?

The tricep contracts and the bicep relaxes.


Does tricep bend your arm?

Yes your tricep and bicep both work together to help bend your arm.


Does the deltoid control the bicep and tricep?

The tricep


What bone is located under the bicep?

The tricept is located under the bicept.Sorry, however the tricep is just the muscle at the lower arm.The bone under the bicep is the humerus.***If you are asking this for the answer to a crossword puzzle, the correct answer is ULNA***


What is an antonym for bicep?

tricep


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.


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


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 do bicep musceles and tricep muscles work together to do?

The muscles are moving antagonistically.


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.


What you mean by tricep?

The tricep is the muscle on the underside of the upper arm. The muscle on the upper side is the bicep.