I have an injury in lower back(thoracolumbar fascia,lowest part). I was lifting my friend in a bad from like a question mark ( ? ) . I pulled my back and it hurt for a good while , 2 years have passed there is no instense pain but whenever I do sports such as badminton or basketball I get a heavy feeling around lower back. I also workout at the gym doing sit ups and deadlift but I dont dare to go over 60-70 kg as my back feels sore at times. I dont feel like a 100 per cent healhty person and I really wish to go back to more active lifestyle. What do I have to do to let the soreness go away once and for all? Will I be like this for the rest of my life?;(