The Journal of Korean Academy of Orthopedic Manual Physical Therapy (대한정형도수물리치료학회지)

Korean Academy of Orthopedic Manual Physical Therapy (대한정형도수물리치료학회)
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The Effects of Thoracic Spine Thrust Manipulation on Shoulder Pain, Range of Motion and Muscle Activity in 30′s Adults with Rounded Shoulder Posture

흉추 도수교정이 둥근어깨자세를 가진 30대 성인남녀의 통증, 관절가동범위, 근활성도에 미치는 영향

  • Lee, Jae-nam (Dept. of Physical Therapy, Gyeong-in Medical Rehabilitation Center Hospital Redcross) ;
  • Yang, Seong-hwa (Dept. of Physical Therapy, Gyeong-in Medical Rehabilitation Center Hospital Redcross) ;
  • Gong, Won-tae (Dept. of Physical Therapy, Korea Nazarene University)
  • 이재남 (대한적십자사 경인의료재활센터병원) ;
  • 양성화 (대한적십자사 경인의료재활센터병원) ;
  • 공원태 (나사렛대학교 물리치료학과)
  • Received : 2016.04.06
  • Accepted : 2016.06.09
  • Published : 2016.06.30
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Abstract

Purpose: This study was aimed to determine the effects of thoracic spine thrust manipulation on muscle activities of the scapular upward rotators and middle deltoid, active range of motion (AROM), shoulder pain, and rounded shoulder posture in young adults with rounded shoulder. Methods: The subjects were 30 young adults (14 males, 16 females) with rounded shoulder. Thirty subjects were randomly assigned to an experimental (manipulation) and control (placebo) groups of fifteen subjects respectively. The manipulation group received the manipulation (high velocity, low amplitude), which was performed by a physical therapist with the subject in the supine position and with the arms crossed over the chest and hands passed over the shoulders. For the sham group, the same procedure was performed, with the exception that the high-velocity thrust was not applied. Measurements were taken before and after the intervention. Muscle activity of upper and lower trapezius, serratus anterior, middle deltoid was measured using surface electromyography. Visual analog scale (VAS) was used for shoulder pain. Goniometry was used for shoulder abduction active range of motion (AROM). Straight edge was used for supine rounded shoulder posture (RSP) distance. Results: The muscle activity of the upper trapezius, lower trapezius and middle deltoid muscle increased significantly after the intervention (p<.05). However, no significant difference was observed in serratus anterior muscle (p>.05). The VAS was significantly decreased and AROM significantly increased after the intervention (p<.05). The distance of RSP were not significant (p>.05). The control group showed no differences before and after the intervention (p>.05). Conclusion: The results of this study suggest that thoracic spine thrust manipulation can be an effective component of treatment plan to improve pain and function.

Keywords

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