This is a trial to validate the use of the STarT Back Screening Tool (SBST) in the Military Health System for patients with low back pain presenting to primary care.
Inclusion Criteria: 1. Males and females who are between the ages of 18-50 years old 2. Primary complaint of LBP for any duration, with or without associated radiculopathy 3. Can speak and understand English 4. Be willing and able to give full, informed written consent Exclusion Criteria: 1. Red Flags: Any potentially serious or systemic disorders (e.g., cauda equina compression, inflammatory arthritis, compression fracture, malignancy, infection, severe neurological progression), serious illness or comorbidity 2. Spinal surgery in the past 24 months 3. Current pregnancy (or within the last 6 months) 4. Already receiving treatment (other than primary care) for this episode of LBP 5. Inability to attend regular treatment sessions 6. Pending litigation or a medical evaluation board