A member asked:

I'm athletic and lean. noticed a thin blue vein running diagonally near lower shin. looks like a faint pen mark. about 2 inches long. normal?

A doctor has provided 1 answer

Vein: with aerobic activity the veins on the surface of your shin may become more prominent as result of increased muscular activity. If this vein follows a straight line this is the most common reason for this type of vein to become noticeable. If it has a tortuosity to it, it may be the beginnings of a varicose vein.

Answered 2/28/2017

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