I am 60 years young. I suffrer from back pain. I can not walk continious for more than 20 to 25 minutes. After that I must sit for 2 to 3 minutes. Then again I can walk further. Same way I can not stand for more than half hour. I ave to pause for 5 to 10 minutes sitting. Then again I can walk for another 15 to 30 minutes. Please advise what shoud I do and where to go? pain is down below at the end of spiral cord. So far I have never consulated any doctor in this connection.