Suggest Treatment For Lower Back Pain After Injury

Right, I was kicking the ball around the field a little while ago & when I hopped the fence to get in I really hurt my back, very badly. I m not 100% sure how I did it but when I landed, my legs were a bit too straight & I leaned forward to counterbalance myself - I must have leaned too far forward or something because I felt an awful pain in my lower back. That was about a month ago now and the pain is still there - it s a constant dull pain, I can feel it all the time. I originally thought it was just muscular, but I ve had muscular pain before and it s never lasted two weeks, especially this painful. When I first did it I couldn t bend down for a couple of days, still now it s quite sore to stoop down. Any ideas whats up with me???