landajessledazuri landajessledazuri

11-04-2017
Physics

contestada

When a person bends an arm a different muscle is used to bring it back to the original position. why can't the same muscle be used to both bend and unbend the arm?

Respuesta :

moorekiersten12 moorekiersten12

17-04-2017

Muscles can only pull not push

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stephaniep7nsa2 stephaniep7nsa2

23-04-2021

Answer:

Muscles can only pull not push

Explanation:

Verified correct with test results.

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