Trigger point acupuncture (TrPAcu) is significantly better than sham treatment at reducing pain and improving function in patients with chronic shoulder pain, say Japanese investigators. Eighteen patients with non-radiating shoulder pain for at least six months were randomised into two groups who received five treatment sessions. The TrPAcu group received treatment at muscular trigger points, while the sham group received acupuncture treatment on the same muscle. After five weeks of treatment, pain intensity in the TrPAcu group was found to have decreased significantly from baseline, while shoulder function had increased significantly. Comparison between the two groups demonstrated a significant difference in favour of TrPAcu. (Randomized trial of trigger point acupuncture treatment for chronic shoulder pain: a preliminary study. J Acupunct Meridian Stud. 2014 Apr;7(2):59-64). http: / /www.ncbi.nlm.nih.gov / pubmed / 24745863

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