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KMID : 1021220130040010523
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국제물리치료학회지
2013 Volume.4 No. 1 p.523 ~ p.531
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The Effects of Sling Bridging Exercise to Pain Scale and Trunk Muscle Activity in Low Back Pain Patients
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Jeong Eun-Dong
Chae Chang-Woo
Yun Hong-Kyu
Woo Kwang-Seog
Kim Dong-Hyun
Kim Seung-Min
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Abstract
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Most patients with chronic low back pain experience functional disability of trunk muscle, and limitations in physical activity. While there are many types of exercise programs available, in recent years sling exercise has been emerging as the exercise program for spinal stabilization. It has been supported by a great amount of research with positive findings on its effectiveness. This research studies the effects of bridging exercise, conducted on a sling, on pain level and trunk muscle activation in supine, sidelying, and prone positions during a 4 weeks period. 10 healthy people(normal group, n=10) and 28 patients with low back pain participated in this study. 28 patients were divided into two groups; one group participated in exercise with the sling(experimental group, n=14) and the other group exercised without the sling(control group, n=14). They were asked to use the Numerical Rating Scale(NRS) to answer to the level of their pain they felt (no pain: 0 point, severe pain: 10 points). During sling bridging exercises, the muscle activity level in each muscle measured in each position was standardized as three seconds of EMG signals during five seconds MVIC. In conclusion, the experimental group with four weeks of sling bridging exercise experienced a statistically significant reduction in the pain level(p<.05) and increase in the muscle activities of erector spinae when in supine position, internal oblique when in sidelying position, and rectus abdominis in prone position(p<.05). Regular sling bridging exercise reduces the low back pain and enhances other trunk muscle activation, thereby positively affect spinal stabilization.
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KEYWORD
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Sling Bridging Exercise, Trunk Muscle Activity, Low Back Pain
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