Figure 3).

Evidence of myofascial pain in osteoarthritis patients by reductions in pain scores before (pre) and following (post) intervention at the first interview (week 0) as measured by the brief pain inventory questionnaire. A Pain intensity right now was significantly attenuated, with 92% of participants reporting a reduction of more than 20 mm on a 100 mm scale (right column). B Pain interference was significantly attenuated, with 78% of participants reporting a reduction of more than 20 mm on a 100 mm scale. Statistical analysis were performed with a Wilcoxon signed-rank test comparing pre- and post-trigger point injection values. ***P<0.001