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KMID : 1002720150130010025
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Journal of Korean Proprioceptive Neuromuscular Facilitation Association
2015 Volume.13 No. 1 p.25 ~ p.30
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The Influence of an Abdominal Draw-In Maneuver and Pelvic Floor Muscle Contraction on Lateral Abdominal Muscle Contraction Thickness in Subject with and without Low Back Pain
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Youn Hye-Jin
Kim Ji-Seon
Yang Jin-Mo
Ki Kyoung-Il
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Abstract
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Purpose: The aim of this study was to examine the effects of abdominal muscle contraction thickness using real-time ultrasound imaging while applying an abdominal draw-in maneuver (ADIM) and pelvic floor muscle contraction (PFC) to low back pain patients and healthy subjects.
Methods: The subjects were 21 young adults; a group of 10 low back pain patients and a control group of 11 healthy subjects. Measurements were made with the subjects on a pillow in a supine position, with the knee joints flexed at 60 degrees. While the two groups conducted ADIM and PFC, their transverse abdominal muscle (TrA), internal abdominal oblique muscle (IO), and external abdominal oblique muscle (EO) thicknesses were measured using an ultrasound imaging system.
Result: The TrA muscle contraction thickness ratio during PFC and ADIM was significantly lower in the low back pain group than in the healthy group (p<0.05). The EO muscle contraction thickness ratio during ADIM was also significantly lower in the low back pain group than in the healthy group. The healthy group’s muscle contraction thickness ratio was significantly lower during PFC than during ADIM in the TrA, IO, and EO (p<0.05). The low back pain group’s muscle contraction thickness ratio was lower during PFC than during ADIM in the TrA, IO, and EO, but the difference was not statistically significant.
Conclusion: The results of this study indicate that oral direction during ADIM induced an appropriate contraction of the TrA. Therefore, the procedure reported here may be applied during rehabilitation for appropriate contraction of the TrA.
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KEYWORD
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Abdominal draw-in maneuver, Lateral abdominal muscle, Low back pain, Ultrasound
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