Physical Therapy Rehabilitation Science

korean Academy of Physical Therapy Rehabilitation Science (물리치료재활과학회)
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Treatment of Myofascial Trigger Points of the Infraspinatus is Effective in Relieving Shoulder Pain and Improving Shoulder Functions

  • Park, Sungeon (Department of Physcial Therapy, Graduate School of Sahmyook University) ;
  • Cho, Juchul (Rehabilitation Center, Wellciti Hospital) ;
  • Lee, Seungwon (Department of Physical Therapy, College of Health and Welfare, Sahmyook University)
  • Received : 2022.09.01
  • Accepted : 2022.09.28
  • Published : 2022.09.30
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Abstract

Objective: This study aimed to investigate the effects of ischemic compression treatment (ICT) or low-level laser therapy (LLLT) applied to the trigger points of the infraspinatus muscle on shoulder pain and function in patients with shoulder pain. Design: A randomized clinical trial Methods: Thirty patients with shoulder pain were randomly allocated into the ICT group (n=15) or LLLT groups (n=15). ICT was performed on three myofascial trigger points (MTrPs) of the infraspinatus muscle twice a week for 4 weeks (eight sessions), with 5 minutes of treatment per trigger point. LLLT was performed similarly. Shoulder pain was assessed using the visual analogue scale (VAS) and pain pressure threshold (PPT), and shoulder function was assessed using the Korean Disabilities of the Arm, Shoulder and Hand (DASH) questionnaire, rotator cuff strength, and range of motion (ROM) of shoulder flexion and abduction. Results: Significant changes in VAS score and PPT were found after the intervention in both groups (p<0.05). Significant changes were observed in the Korean DASH score, rotator cuff strength, and ROM of shoulder flexion (p<0.05) but not in the ROM of shoulder abduction (p<0.05). There were no significant differences between the two groups. Conclusions: This study showed that both ICT and LLLT applied on the MTrPs of the infraspinatus muscle were effective for relieving shoulder pain and improving shoulder functions in patients with shoulder pain.

Keywords

References

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