Chiropractic for Adolescent Low back pain including Manipulation/Manual Therapy. The CALM Study.

The chiropractic clinicians will deliver usual chiropractic care in the form of massage, mobilization, manipulation, and exercise prescription. 1. The patient participants will receive four consultations, of about 15-30 minutes each, of which two will be delivered in the first week, and the other two at subsequent weekly intervals. 2. The participants will receive the following interventions: Manipulation For the purpose of this study lumbo-pelvic manipulation is defined as a localised force of high velocity and low amplitude thrust directed at a spinal joint often resulting in joint cavitation or a cracking sound and/or Mobilisation For the purpose of this study lumbo-pelvic mobilisation is defined as gentle, controlled movements of the spinal joints within the normal ranges of movement and Advice to stay active This is general advice given to the participant to remain active and continue with normal duties within tolerance and as possible. This is as opposed to bed rest and/or Specific back exercises Tailored exercises provided to an individual participant by the treating chiropractor for their back pain or General exercise Advice to undertake general exercise such as walking or other low impact aerobic activity for 30 minutes on at least 5 days per week and Modification of activities Advice to modify daily activities that are likely to worsen the condition or retard recovery 3. A home exercise and other treatment diary will be administered to monitor compliance with exercises and utilization of other treatments for back pain.