I am on my feet most of the time at work. I have arthritis in my hip, causing pain when standing or walking for extended periods. As soon as I put on my new Shape-Ups, I did not want to take them off, so I wore them too long and had sore muscles.  After a couple of days of adjusting too them, I was fine.  Now, I only wear my Shape-Ups to work.  My hip seldom hurts after a day on my feet. I love my Shape-ups.