This two piece chart set is a great addition to a massage therapist’s office, or other alternative health settings. The set includes Trigger Points: Torso and Trigger Point: Extremities. Each chart illustrates and labels the muscles affected by trigger points. Shows trigger point locations with primary and secondary pain sensitive zones. Includes a legend which explains how to identify particular trigger points and their pain zones. This edition has updated images and improved content organization to maximize visual impact. Torso chart shows trigger points of upper torso and shoulder, posterior deep and anterior-posterior pain referral guide. Extremities chart shows upper extremity, lower extremity and head and neck trigger points.