PNF and Movement

Korea Proprioceptive Neuromuscular Facilitation Association (대한고유수용성신경근촉진법학회)
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The Effects of Thoracic-Lumbar Dissociate and Slump Motions on Thoracic-Lumbar Erector Spinae and Rectus Abdominis Activity

등-허리뼈 분리동작과 슬럼프 동작이 등-허리뼈 척추세움근과 배곧은근 활성도에 미치는 효과

  • Jung, Ju-Hyeon (Department of Physical Therapy, College of Nursing Healthcare Sciences and Human Ecology, Dong-Eui University)
  • 정주현 (동의대학교 물리치료학과)
  • Received : 2022.01.18
  • Accepted : 2022.01.26
  • Published : 2022.04.30
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Abstract

Purpose: The purpose of this study was to investigate the effect of thoracic-lumbar dissociation motion and slump motion on thoracic-lumbar erector spinae and rectus abdominis muscle activity. Methods: Seventeen healthy adult volunteers participated in this study. All participants performed two motions (thoracic-lumbar dissociation motion, slump motion). Muscle activation during the two motions was measured using a surface electromyography device. The data from this were collected from the iliocostalis thoracis, iliocostalis lumborum, and rectus abdominis. The activities of these muscles before and after each motion were then compared. Results: The iliocostalis thoracis activation was significantly greater during the thoracic-lumbar dissociation motion than during the slump motion (p <0.05). The iliocostalis lumborum activation was greater during the slump motion than during the thoracic-lumbar dissociation motion (p <0.05). The rectus abdominis activation was lesser during the slump motion than during the thoracic-lumbar dissociation motion (p <0.05). Conclusion: This study confirmed that individual contraction of the erector spinae muscles is possible during thoracic-lumbar dissociation motion, which increases the stability of the thoracic spine. In addition, this motion could improve control of the rectus abdominis. Therefore, thoracic-lumbar dissociation motion should be considered for rehabilitation programs for patients with kyphosis and back pain.

Keywords

Acknowledgement

이 논문은 2021학년도 동의대학교 교내연구비에 의해 연구되었음(202101760001).

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