The purpose of this course is to introduce and provide the students with knowledge of the most commonly used adjusting instruments. In addition theoretical and practical aspects of the Special Tests"" category of PARTS model of subluxation assessment will be presented. These include such tests as relative leg length inequality and patterns painful that have been associated with patients with common NMS complaints. The student will enter the course with the ability to evaluate the commonly encountered spinal joint problems and selected articulations of the extremities. During the course of the trimester the student will become proficient in applying instrument adjusting. Completion of this course satisfies one step towards obtaining an Activator proficiency rating.