Journal of the Korean Society of Physical Medicine (대한물리의학회지)

The Korean Society of Physical Medicine (대한물리의학회)
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The Effects of Maintained Muscle Contraction of Abdominal and Pelvic Floor Muscles on 3D Pelvic Stability in Individuals with Chronic Low Back Pain During Gait

  • Yu, Min (Department of Physical Therapy, College of Medical Sciences, Jeonju University) ;
  • Choi, Yu-Ri (Department of Physical Therapy, College of Medical Sciences, Jeonju University) ;
  • Choi, Jeong-Eun (Department of Physical Therapy, College of Medical Sciences, Jeonju University) ;
  • Jeon, Seong-Yeon (Department of Physical Therapy, College of Medical Sciences, Jeonju University) ;
  • Kim, Yong-Wook (Department of Physical Therapy, College of Medical Sciences, Jeonju University)
  • Received : 2022.07.05
  • Accepted : 2022.07.27
  • Published : 2022.08.31
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Abstract

PURPOSE: This study was designed to investigate the effects of keeping contraction of abdominal and pelvic floor muscles on 3D pelvic stability in individuals with nonspecific chronic low back pain (CLBP) during normal speed walking. METHODS: The subjects were 20 adults with CLBP deformity and had moderate pain intensity of the visual analog scale. A three-dimensional camera capture system was used to collect kinematic pelvic motion data with and without contraction of the abdominal and pelvic floor muscles during gait. The subjects were asked to walk on a walkway in the lab room and they were attached 40 reflective markers to their pelvic segment and lower extremities. A Visual3D Professional V6 program and Vicon Nexus software were used to analyze 3D pelvic kinematic data. RESULTS: There were significant differences between with and without contraction of the abdominal and pelvic floor muscles of the pelvic depression and the total pelvic motion in coronal plane during gait (p < .05). However, there were no significant differences in any of the maximal motion of the pelvic segment in sagittal and transverse motion plane according to the different muscle contraction conditions (p > .05). CONCLUSION: The results of this study suggest that maintaining co-contraction of the abdominal and pelvic floor muscles in individuals with CLBP increased pelvic stability and contributed to preventing excessive pelvic movements during gait.

Keywords

Acknowledgement

This research was supported by the National Research Foundation of Korea (NRF) grant funded by the Ministry of Science and ICT (No. 2022R1F1A1064097).

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