1. Volume 7, Issue 7, Pages 711-718 (July 2015)
Dry Needling Alters Trigger Points in the Upper Trapezius Muscle and Reduces Pain in Subjects With Chronic Myofascial Pain 
Lynn H. Gerber, MD, Jay Shah, MD, William Rosenberger, PhD, Kathryn Armstrong, DPT, Diego Turo, PhD, Paul Otto, BS, Juliana Heimur, BS, Nikki Thaker, BS, Siddhartha Sikdar, PhD 
PM&R 
Volume 7, Issue 7, Pages (July 2015)
DOI: /j.pmrj
Copyright © 2015 American Academy of Physical Medicine and Rehabilitation Terms and Conditions

2. Figure 1
Demonstration of needle insertion into myofascial trigger point.
PM&R 2015 7, DOI: ( /j.pmrj )
Copyright © 2015 American Academy of Physical Medicine and Rehabilitation Terms and Conditions

3. Figure 2
Algometer used for measuring pain pressure threshold (Tech Medical, Salt Lake City, UT).
PM&R 2015 7, DOI: ( /j.pmrj )
Copyright © 2015 American Academy of Physical Medicine and Rehabilitation Terms and Conditions