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KMID : 1812820190030010014
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Journal of Korean Dental Hygiene Science
2019 Volume.3 No. 1 p.14 ~ p.21
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The Effect of Pelvic Compression Belt on the Strength of Hip Muscle and EMG Activity in Individuals with Sacroiliac Joint Pain during Prone Hip Extension
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Choi Jae-Hong
Oh Jae-Seop
Kim Moon-Hwan
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Abstract
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Background: Pelvic compression belt passively stabilized the sacroiliac joint via application of a compression force, thereby having a possibility to affect hip muscle strength.
Purpose: We investigated the effects of pelvic compression belts on the strength of hip extensor and the electromyographic (EMG) activities of latissimus dorsi and erector spinae during isometric prone hip extension with knee extension and prone hip extension with knee flexion.
Study design: Comparative, repeated measures design.
Methods: We recruited 15 patients with sacroiliac joint pain. All performed isometric prone hip extension with knee extension with and without a pelvic compression belts at a hip extension of 10°. Strength of hip extensor were measured using a load cell, and the muscle activities of the contralateral latissimus dorsi and erector spinae muscles measured using surface EMG.
Results: Strength of hip extensor with a pelvic compression belts increased significantly compared to without a pelvic compression belts (p<0.001) as did the EMG activity of the contralateral latissimus dorsi (p<0.05). However, the EMG activity of the contralateral erector spinae did not change significantly (p>0.05).
Conclusions: We recommend using of a pelvic compression belts by sacroiliac joint pain patients increased the strength of hip extensor and muscle activity of contralateral latissimus dorsi.
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KEYWORD
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Hip extension, Latissimus dorsi, Muscle strength, Pelvic compression belt, Sacroiliac joint pain
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