Comparison of Dry Needling and Activator Trigger Point Therapy on Upper Trapezius Trigger Points.

activator instrument was placed perpendicular over the identified trigger point and 10 thrusts were delivered, with a rate of one thrust per second

By wrist flexion and extension movements, the trigger point was needled in different directions and tried to elicit at least one local twitch response during the procedure and patient's familiar referral pain was tried to obtain . Each dry needling procedure lasted 1-2 minutes