Hello Sir/madam, its has been more than 3 moths that I have lower lift side back ache problem, and cause of my back pain was masturbation, while I was doing it, like an attack I felt a horrible pine at my lower back left side, but I did not take it seriously at that time, and I thought its gone be okay, but unfortunately this ache bothering me until now. Yas I went to the Doctor I told them that I have a back ache, but I was ashamed to tell them the truth so I did not tell them, the have give me some advice and medicine but non of them work for me. When I play football the pain of my back increase a lot, that even tomorrow morning it's difficult to move my heap, but after some days it bit batter, but not totally. So i'm sharing my illness by hope of that you may help me to get rad of it. Thanks in advance.