My medication only takes the edges off my pain so I was looking for something to help me. I got this device two months ago. The therapy is easy to use and my pain level dropped around 80%. I can still feel the pain and tightness of my calves but it is much more tolerable. I use it twice a day for 30 min in the morning and before going to bed while checking my facebook and emails. My feet were totally numb and it seems to restore a little bit of feeling too. I hope it will continue to improve. I am very pleased with the device. I can see my muscles move and they say it is the exercise that is driving the blood circulation to help. I recommend it.