if the vascular cause is ruled out then , it should be nerve compression in lumbar spine. you can proceed with phyisotherapy.INTERMITTENT PELVIC TRACTION with hip and knee in 90 degrees flexion (bent position) for 15 minutes with 12-15 kgs weight. INTERFERENTIAL THERAPY FOR calf region -15 minutres. Continue this for 10 days.

avoid lifting weights, avoid wearing high heels,use cushioned footwear,avoid cross legged sitting. AVOID THE FOLLOWING ITEMS: 1.coffee,tea 2.branded health drinks 3. White sugar and products made of white sugar like sweets, cakes, ice creams, bread, bun and all other bakery items 4. Maida products like samosa, puffs, parotta, naan etc 5.high carbohydrate food like potatoes, white rice 6, dairy products (packet milk, curd) 7.noodles,vermicelli, pasta, pizza. 8.NON VEGETARIAN FOOD INCLUDING EGGS INCLUDE HIGHLY ALKALINE FOOD .(LIST GIVEN BELOW) 1.wheatgrass juice, to be taken everyday in empty stomach in the morning. Any other food should be taken after an interval of half an hour. 2.vegetable soup (carrot, beetrot, beans, turnip, coriander, curry leaves, mint leaves) 5.spinach soup 6. Ashgourd juice (white pumpkin) 7.Banana pith (stem) juice. 8.Hand pounded unpolished rice. SUN BATH with loose fitting cotton clothes for five minutes between 7-7: 30 am in morning. get well soon