Rigi Scan Plus Rigidity Assessment System is designed to measure the stiffness of the spine and other joints. It uses a combination of sensors and software to measure the range of motion of the spine and other joints, as well as the force applied to them. The Rigi Scan Plus Rigidity Assessment System can be used to assess the effects of treatments such as physical therapy, chiropractic, and acupuncture, as well as to monitor the progress of patients with spinal conditions. It is easy to use and provides accurate results in a short amount of time. It is also portable, making it ideal for use in a variety of settings.