Normally, veins return blood from the rest of your body to your heart. The veins in legs have to work against gravity

• Varicose veins- May be caused by weakened valves (incompetent valves) within the veins that allow blood to pool in your veins instead of traveling to your heart

Signs, when No Pain-

• Veins are dark purple or blue in color
• Appear twisted and bulging; they are often like cords on your legs

Signs, when Pain felt-

• An achy or heavy feeling in your legs...

Veins return blood from the body to the heart, so the blood can be recirculated. To return blood to your heart, the veins in your legs must work against gravity.

Structural aspects in pumping the blood to heart-

• Muscle contractions in your lower legs act as pumps
• Elastic ...