A member asked:

Will pumping your arms while running make you gain muscle on the arms or just tone them?

A doctor has provided 1 answer

Muscle: I don't think that that kind of arm pumping exerts enough isometric force to build muscle. A physical trainer could answer your question best,however.

Answered 4/1/2019

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A member asked:

Does running affect your arm muscles in any way?

A doctor has provided 1 answer