Intended for the prevention and treatment of back pain, neck pain, and to improve core stability;Features a visual indicator of whether you are working the correct postural muscles, in the right manner, when performing specific exercises;Provides a measuring range of 0-200 mmHg analog pressure with an accuracy of +/- 3 mmHz pressure;Use with exercise to protect and stabilize joints, prevent and treat lower back and neck pain, improve core stabilization exercises, and enhance home exercise programs;Common aliments for use include facet syndrome, slipped disc, lower back pain, sciatica, spondylolysis, and spondylolysthesis