The term adjusting when applied to spinecare is often used to refer to spine segment mobilization or manipulation. Chiropractic adjusting, as a form of spinal manipulation, is the most commonly performed treatment approach used by chiropractors. Over the past three decades, adjusting instruments have been developed to assist chiropractors in delivering therapeutic forces to the spine. The use of an adjusting instrument provides a variety of potential benefits, which include application of a more specific and targeted force and the ability to use a controlled preset therapeutic thrust. It is not uncommon for a chiropractic physican to use a hands on approach as well as instrumentation to treat the neck and back.  Many of the devices available are capable of providing a very controlled and gentle impulse to the spine. Computerized instrument adjusting devices are capable of determining immediate tissues responses to therapy and record serial treatments. This computerized interface allows the doctor to track progress and reproduce identical treatment protocols on each session.