Low back pain is one of the most common complaints I hear about as a physical therapist. On the positives, 80-90% of episodes of low back pain resolve within 2 -3 months (Hides et al. 1996). Of the 5-10% that do develop chronic low back pain, 85% are classified as “non specific low back pain” (Dillingham 1995). This infers that there is no specific entity that anyone can point to, and say this is causing your pain.