The Immediate Effects of Conventional and High-Power Pain Threshold Ultrasound on Myofascial Pain Syndrome among Young Thai Adults

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Published: Sep 25, 2024
Keywords:
High-power pain threshold ultrasound Myofascial pain syndrome Pressure pain threshold Ultrasound

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Sukwida Manorangsan
Department of physical therapy, Faculty of Allied Health Sciences, Thammasat University, Pathum Thani 12120, Thailand

Abstract

The study aimed to compare the immediate effects of conventional ultrasound (Con-US) and high-power pain threshold ultrasound (HPPT-US) on pain and neck range of motion (ROM) in young Thai adults with active trigger points of myofascial pain syndrome (MPS). Sixty participants were randomly allocated into two groups: Con-US (mean age 20.97±1.16 years) and HPPT-US (mean age 21.47±1.28 years). Each group underwent a single ultrasound session lasting 5 minutes. Parameters assessed pre- and post-treatment included pain intensity, neck ROM, pressure pain threshold (PPT), and pressure pain tolerance (PPTo). The average intensity dose for Con-US was 1.0 W/cm2, while for HPPT-US it was 0.83 W/cm2. Both techniques improved pain parameters, but there was no significant interactive effect between group and time. The single moderate-intensity session of HPPT-US may not have a lasting impact on pain tolerance due to the lack of a cumulative effect. Further studies with increased treatment sessions and higher intensity ultrasound are recommended.

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How to Cite
Manorangsan, S. (2024). The Immediate Effects of Conventional and High-Power Pain Threshold Ultrasound on Myofascial Pain Syndrome among Young Thai Adults. Science & Technology Asia, 29(3), 304–314. Retrieved from https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/252454
Issue
Vol.29 No.3 (July-September 2024)
Section
Biological sciences
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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