• Journal of Korean Physical Therapy Science
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• v.6 no.1
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• pp.923-929
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• 1999

The purpose of this study was to identify that the effect of the Lumbar extensor strengthening exercise on the trunk range of motion(Lumbar extensor strengthening exercise group = 15, Control group = 15). To find out the improvement of trunk range of motion, each group was examined with Modified Modified Sch ber(MMS) measurement before and after the treatments. The result are as followed. 1. After the training period, the trunk range of motion were increased in both groups. 2. After the training period, both groups revealed no sinigificant difference on the trunk range of motion.

• Journal of The Korean Society of Integrative Medicine
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• v.3 no.2
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• pp.47-54
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• 2015

Purpose: This study was to investigate the effects of lumbar stabilization exercise and lower extremity strengthening program on pain, lower extremity muscle in patients with chronic low back pain. Method: The subject were randomly divided two groups. 15 people who were conducted lower extremity exercises and lumbar stabilization exercises called the combined exercise group and other(15 people) who were only conducted lower extremity exercise group. The assessment tools were the pain level and the led muscle power. Exercise was conducted for eight weeks. Result: Pain of the combined exercise group showed significant differences in the change in pain level(p<.05). The leg muscle power showed significant differences within group which hip flexor, extensor muscles and abductor muscles. there were significant differences within combined exercise group (p<.05). But the knee joint in each group showed a significant difference within group (p<.05). Conclusion: This study suggest that the lumbar stabilization exercises and lower extremity exercises showed more efficient results in the pain levels and leg muscles power than only the lower extremity exercise for patients with lumbar instability.

• Journal of The Korean Society of Integrative Medicine
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• v.1 no.3
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• pp.9-17
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• 2013

Purpose : The purpose of this study was to analyze the effects of transverse abdominal exercise on the change of chronic low back pain and lumbar muscle strength. Method : 18 chronic lumbago patients were transverse abdominal exercise for 3weeks. Result : 1. The strength of the lumbar extensor and flexor of the male subjects was increased significantly after abdominal exercise(p<0.05). 2. The strength of the lumbar extensor and flexor of the female subjects was increased significantly after abdominal exercise(p<0.05). 3. The study can confirm significant relationship between the lumbar muscle strength and lumbar pain before and after the exercise Conclusion : The study of could find the increase of the ability of the lumbar extensor and flexor of both male and female subjects suffering from chronic low back and pain using three-week transverse abdominal exercise. The study confirmed the general decrease of pain after the experiment.

• The Journal of Korean Academy of Orthopedic Manual Physical Therapy
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• v.10 no.2
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• pp.33-43
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• 2004

The purpose of this study was to compare the lumbar extensor strength between before exercise and after 8 weeks exercise in the elderly. To evaluate lumbar extensor strength of total 18 patients (above 59 age) with low back pain or have experienced surgical operation. Lumbar extensor strength was measured in 8 male patients and 10 female patients (9 op group and 9 non-op group) by Medx lumbar extension machine. The data were analyzed with paired t-test compared to muscle strength, with repeated measured ANOVA compared to amount increase of muscle strength, using SPSS ver. 10.0 program. The results of this study were as follows: 1. There were significantly increased total lumbar extension strength was appear $6918.7{\pm}2802.77$ft-lbs in before exercise, $10432.83{\pm}2802.773397.1$ft-lbs in after 8 weeks exercise (p<. 05). 2. There were significantly increased total lumbar extension strength was increased to compared before exercise with after 8 weeks exercise in sex (p<. 05), op/non-op group (p<. 05).