Posture Medic Regular Strength Posture Medic was designed to combine the range of exercises and movements that are normally prescribed for shoulder and upper back stiffness and injuries - but in a single form that replaces the typical multiple pieces of equipment used in rehab. Features & Benefits Strengthen weak muscles Stretch tight muscles Stabilize your upper body Creating good posture Includes Instruction Booklet Available in Regular and Extra strength in different sizes Improve your posture and get the required back support with Posture Medic Regular/Extra Strength.