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http://dx.doi.org/10.12674/ptk.2014.21.2.001

EMG Activity of Abdominal Muscles During Lumbopelvic Stabilization Exercises  

Lee, Gyu-Wan (Dept. of Physical Therapy, Gang-nam Severance Hospital)
Yoon, Tae-Lim (Dept. of Physical Therapy, The Graduate School, Yonsei University)
Kim, Ki-Song (Dept. of Physical Therapy, College of Natural Science, Hoseo University)
Lee, Ji-Hyun (Dept. of Physical Therapy, The Graduate School, Yonsei University)
Yi, Chung-Hwi (Dept. of Physical Therapy, College of Health Science, Yonsei University)
Publication Information
Physical Therapy Korea / v.21, no.2, 2014 , pp. 1-7 More about this Journal
Abstract
Lumbopelvic stabilization exercise has become the most popular treatment method in lumbar rehabilitation since its effectiveness was shown in some aspects of pain and disability. The abdominal drawing-in maneuver (ADIM) has been extensively implemented to promote lumbopelvic stability. However, performing ADIM correctly is difficult even for healthy subjects, and it is time consuming to train people in ADIM. Thus, the purpose of this study was to compare abdominal muscle [rectus abdominalis (RA), external oblique (EO), and transverse abdominis/internal oblique (TrA/IO)] activity during lumbopelvic stabilization exercises (ADIM only, ADIM with a ball, maximum exhalation only, and maximum exhalation with a ball) performed in a supine position with feet against a wall. Fifteen healthy subjects were recruited for this study. Surface electromyography was used to measure abdominal muscle activity during lumbopelvic stabilization exercises. A one-way repeated-measures analysis of variance was used to determine the statistical significance of RA, EO, and TrA/IO muscle activity during four lumbopelvic stabilization exercises. Both-side TrA/IO muscle activity was significantly greater with maximum exhalation with a ball than with ADIM only or ADIM with a ball (p<.008). The results of this study suggest that maximum exhalation with a ball can be used as an effective lumbopelvic stabilization exercise to increase TrA/IO muscle activity in healthy subjects.
Keywords
Abdominal drawing-in maneuver; Lumbopelvic stabilization exercise; Maximum exhalation;
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