Purple blood vessels in fitness abdomen

You can see the veins clearly one by one, because the blood flow increases after exercise, which will be more obvious than usual. It doesn't matter much unless there are varicose veins. Generally, capillaries are invisible. Severe capillary rupture is often a small piece of congestion. This may be caused by excessive exercise, but there may also be other reasons, such as irregular exercise or problems with the circulatory system itself.