The Effectiveness of Therapy in Patients with Myofascial Pain Syndrome of Upper Trapezius Muscle between Pulsed Ultrasound (PUS) Technique and Continuous Ultrasound Technique
Keywords:
ultrasound, pulsed ultrasound (PUS), myofascial pain syndromeAbstract
Myofascial pain and fibrosis are common causes of musculoskeletal pain and lead to chronic pain. This randomized controlled trial (RCT) experimental research aimed to compare between pulsed ultrasound (PUS) and continuous ultrasound (CUS) technique in patients with myofascial pain syndrome of upper Trapezius muscle. This RCT enrolled sixty-eight patients who diagnosed with a myofascial pain of the upper Trapezius muscle with the level 5 of pain in Physical Therapy Department of Buddhachinaraj Phitsanulok Hospital from November 2021 to April 2022. Sixty-eight patients were divided into two groups. Each group had 34 patients by simple random sampling. Pain levels and the Neck Disability Index (NDI-TH) were assessed before starting, after the 5th and the 10th treatment. Data were compared between two groups using the chi-square test, independent t-test, and paired t- test. The statistical significance level was 0.05. There were not significantly different in participants' characteristics between groups. There were not different in baseline outcome measure between groups. After treatment, there were not significantly different between the two
groups of pain and NDI-TH score. It can be concluded that PUS and CUS techniques can also reduce pain levels and NDI-TH scores in patient with myofascial pain syndrome of upper Trapezius muscle.
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