As you use: the muscles in your forearm/hand blood circulation increases! This blood resturn to your heart using the VEINS! That is most probably the reason they seem more prominent! Hope this helps! Dr Z
Answered 11/28/2017
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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