Muscular strain and structural problems, including bulging or ruptured disks, sciatica, arthritis, osteoporosis and skeletal irregularities like scoliosis, may cause back pain
. Flat feet has been said to contribute to low back pain
. While third degree burns usually cause scarring, contractures, and even pain in the site. For proper evaluation of your back pain, it is best that you check with your doctor for proper diagnosis. Take care and do keep us posted.