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KMID : 1211620220170030023
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Journal of the Korean Society of Physical Medicine
2022 Volume.17 No. 3 p.23 ~ p.30
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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
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Yu Mi
Choi Yu-Ri
Choi Jeong-Eun
Jeon Seong-Yeon
Kim Yong-Wook
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Abstract
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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.
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KEYWORD
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Abdominal muscles, Gait, Low back pain, Pelvic motion
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