Chiropractic Dosage for Lumbar Stenosis

Inclusion Criteria: * Males and females at least 50 years old with lumbar spinal stenosis * Impingement of the cord and/or exiting nerve roots evidenced on spine imaging studies * Symptomatic with current pain in the back and/or one or both of the legs. * Symptoms must have been present for at least six months with an insidious onset Exclusion Criteria: * Congenital stenosis or other spine deformities such as current spinal fractures, spinal infections, or tumors of the spine * Prior lumbar spine surgery such as laminectomy, spinal fusion, or discectomy that lacks stability or occurred within the past 3 months. * Currently pregnant or nursing * Co-morbid conditions that may preclude a person from participating in active care (laying prone on a treatment table or completing exercises) and outcome measures (Treadmill Testing, completion of questionnaires), such as severe cardiopulmonary disorders (i.e.: severe coronary artery disease, recent myocardial infarction, or vascular claudication), neuromusculoskeletal disorders (i.e.: disabling hip or knee arthritis; trochanteric bursitis; piriformis syndrome; need for assisted ambulation), or brain disorders (i.e.: dementia or Alzheimer's Disease) * Active conservative care such as physical therapy or chiropractic care for lumbar stenosis (excluding the use of oral medications or daily at-home exercises for general well-being) * Cauda equina symptoms (i.e.: perianal numbness; loss of bowel and/or bladder control) * Not fluent or literate in the English language. We will not be able to provide multiple translators within this pilot study * Current or future litigation for low back or leg pain