Varicose veins twist-and bulge under the skin, often causing pain, swelling, or that heavy feeling in your legs. The veiny and map-like vein structure on your calves, is not from excessive movement, probably the opposite, that is varicose veins. Regular movement helps by boosting circulation and strengthening the calf muscles that act like a natural pump for blood flow. These low-impact exercises, drawn from physical therapy routines, can bring real relief without strain.