The Activator Method® is one of the most widely researched chiropractic techniques and the only instrument adjusting technique with clinical trials to support its efficacy. The Activator Method® uses a small, hand-held instrument called the Activator Adjusting Instrument to deliver a gentle impulse force to the spine or extremities with the goal of restoring motion to the targeted spinal vertebra or joint. The Activator Method® Chiropractic Technique provides a quick, low-force impulse at specific points.
Methods utilizes specific protocols to detect spinal joint
dysfunction, analyze leg length inequality, identify issues with body
mechanics, and test neurological reflexes. By analyzing results of
these examinations, an Activator doctor can initiate the process of
restoring spinal balance in the patient, gently and effectively.
Borrowed from http://www.activator.com