I have stabbing pain right below my waist on my right side of my back . It is not in my spine. The pain comes when rising from a sitting position or when bending down and then trying to straighten up. It's like it is out of joint and I have to push on that area while I bend backwards until the pain goes away and I can walk. I've had an MRI a cat scan, x rays and all they tell me is that it' s arthritis but it doesn't hurt all the time, only when I stand up and it seems to go out of joint. I just need to know what is causing this and what I can do for it.