• Journal of Korean Physical Therapy Science
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• v.3 no.3
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• pp.1-13
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• 1996

To compare the treatment effects of back exercise on functional status, spinal mobility, SLR, pain severity, and treatment results satisfaction, and to determine whether spinal exercises during the low back pain reduces recurrent episodes of back pain. 1. Flexion and extension exercise groups did not differ in any outcome over 4weeks. After 1 week. both exercise groups had reduced disability score, a higher proportion returning to work, and fewer subjects with a positive SLR compared with the control group. 2. There was no difference among groups regarding recurrence of low back pain after $6{\sim}12$ months. 3. There was no difference for any outcomes between the flexion or extension groups. However, either exercise was slightly more effective than no exercise when patients with low back pain were treated.

• Proceedings of the Korea Contents Association Conference
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• 2013.05a
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• pp.223-224
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• 2013

이 연구는 뇌졸중환자를 대상으로 낙상예방을 위하여 오타고운동과 요부안정화운동을 실시하고 신체기능 및 장애물 보행의 변화를 측정하였다. 뇌졸중환자 20명을 대상으로 신체기능은 근력, 균형능력을 측정하였고, 장애물 보행은 장애물 극복속도와 최대수직여유를 측정하여 운동 전과 운동 후, 각 운동군 간을 비교분석하였다. 근력은 30초 의자에서 앉았다 일어나기, 균형은 FRT와 TUG 검사, 그리고 장애물 보행은 장애물 극복속도와 최대수직여유로 측정하였다. 실험결과 운동 후 ?고운동군은 요부안정화운동군에 비해 FRT와 장애물 극복속도는 유의하게 증가되었으며, TUG는 유의하게 감소되었다. 결론적으로 오타고 운동이 뇌졸중 환자의 신체기능 및 장애물 보행에 긍정적인 영향을 미친다.

• Proceedings of the Korean Society of Computer Information Conference
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• 2010.07a
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• pp.413-416
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• 2010

본 논문에서는 요부 영상에서 근육을 추출하는 방법을 제안한다. 제안된 방법은 초음파 영상에서 왜곡이 존재하지 않는 영역을 측정 할 근육 영역을 설정한 후, 초기 초음파 영상에서 불필요한 잡음을 제거하고 Ends-in Search Stretching 기법을 적용하여 근육 영역의 명암 대비를 강조한다. 그리고 형태학적 특징을 이용하여 등뼈 영역과 피하지방을 분리한 후, 4 방향 윤곽선 추적 알고리즘을 적용하여 피하지방의 하단 부분을 추출한다. 또한 최대 및 최소 명암도를 조정하여 얻어진 등뼈의 후보 영역에서 형태학적 특징을 이용하여 잡음을 제거하고 최종적으로 등뼈 영역을 추출한다. 추출된 등뼈 영역에 대해 피하지방층과 등뼈 사이를 근육의 두께로 측정한다. 본 연구에서 제안된 방법을 요부의 초음파 영상에 적용하여 근육 영역을 추출한 결과, 제안된 방법이 초음파 영상에서 근육 영역들의 두께를 측정하는데 기존의 근육 측정 방법보다 효과적인 것을 확인 할 수 있었다.

• The Journal of Korean Academy of Orthopedic Manual Physical Therapy
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• v.2 no.1
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• pp.21-32
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• 1996

To compare the treatment effects of back exercise on functional status, spinal mobility, SLR, pain severity, and treatment results satisfaction, and to determine whether spinal exercises during the low back pain reduces recurrent episodes of back pain. 1. Flexion and extension exercise groups did not differ in any outcome over 4weeks. After 1week, both exercise groups had reduced disability score, a higher proportion returning to work, and fewer subjects with a positive SLR compared with the control group. 2. There was no difference among groups regarding recurrence of low back pain after 6~12 months. 3. There was no difference for any outcomes between the flexion or extension groups. However, either exercise was slightly more effective than no exercise when patients with low back pain were treated.

• The Journal of the Korea Contents Association
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• v.12 no.8
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• pp.274-282
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• 2012

This study conducted the following experiment to examine change of physicopsychological function on lumbar stabilization exercise(LSE) and virtual reality game training(Nintendo Wii Sport-NWS) to stroke patients subject for fall prevention. Psychological function was measured by falls efficacy with stroke patients and physical function was measured by static and dynamic balance on comparative analysis of pre, post exercise and each groups in 30 stroke patient subject. Static balance was measured by BBS, FRT, dynamic were measured by TUG, 10m walking test and falls efficacy with stroke patients was measured index of falls efficacy. These result lead us to the conclusion that each group were statistically improved at all physicopsychological test, but BBS, FRT, 10m walking test were more statistically improved at LSE group and falls efficacy with stroke patients were more improved at virtual reality game training group. Consequently, virtual reality game training would be lead to positive increment of physicopsychological function on stroke patient.

• The Journal of the Korea Contents Association
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• v.9 no.12
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• pp.348-356
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• 2009

The purpose of this study was to examine the effect of bridging using Swiss ball, whole body vibration (WBV), and mat on trunk and lower extremity muscle activity and postural stability. The results were as follows: 1) EMG activity of internal oblique increased significantly in WBV condition compared with mat condition (p<.05). 2) EMG activity of rectus femoris and medial gastrocnemius increased significantly in Swiss ball condition and WBV condition compared with mat condition (p<.05). 3) The muscle activity of medial hamstrings increased significantly in Swiss ball condition compared with mat condition (p<.05). 4) The limit of stability in three groups increased significantly in all directions after 4-week intervention (p<.05). 5). There were no significant differences in the limit of stability among three groups after 4-week intervention (p>.05). Therefore the trunk and lower extremity muscle activity increased in Swiss ball and WBV conditions, and postural stability was improved in three groups after intervention period.

• Journal of the Korea Society of Computer and Information
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• v.16 no.2
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• pp.55-60
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• 2011

In this paper, we propose a new method for extracting muscles from lumbar images. The proposed method sets areas without distortions with field expert's assistance as areas of measuring interest and removing noises from initial ultrasonic videos. Then, the method emphasizes the brightness contrast with Ends-in search stretching algorithm and separate thoracic vertebra from subcutaneous fat area using morphological characteristics. 4-directions contour tracing algorithm is applied to extract the bottom of subcutaneous fat area. Extracting thoracic vertebra area requires noise removal and morphological characteristics as well among candidate areas obtained by controlling min-max brightness. The thickness of muscles is then defined as the length between subcutaneous fat area and extracted thoracic vertebra. The experiment which consists of 368 image analysis verifies that the proposed method is more effective in measuring the thickness of muscles than before.

• Journal of the Korean Society of Physical Medicine
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• v.8 no.1
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• pp.29-39
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• 2013

PURPOSE: The purpose of this study was to determine if the program focusing on gluteal muscle exercise combined lumbar stabilization had an effects on pain, functional disability and lumbar instability in chronic low back pain patients who had lumbar instability. METHODS: Thirty four patients were recruited in this study. The participants were randomly allocated stabilization exercise group (SEG) (n=17) and gluteal muscle exercise group (GEG) (n=17). The gluteal muscle exercise group conducted gluteal muscle exercises combined lumbar stabilization and stabilization exercise group did only lumbar stabilization exercise for 30 minutes three times a week for six weeks. Pre-exercise assessment tools, visual analogue scale (VAS) and Korean version Oswestry Disability Index level (KODI) were used for pain and functional disability each. Also, these were scored by the tool of lumbar instability. The pain, functional disability levels, and lumbar instability after six weeks with this exercise were re-evaluated. RESULTS: First, SEG showed a significant decrease in the lumbar pain, functional disability levels and lumbar instability. Second, GEG showed a significant decrease in the lumbar pain, functional disability levels and lumbar instability. The third, GEG showed even more significant decrease in the lumbar pain levels, functional disability levels and lumbar instability than SEG. CONCLUSION: Gluteal muscle exercises combined lumbar stabilization are more effective than only lumbar stabilization exercise in the pain levels, functional disability levels and lumbar instability for the chronic low back pain patients with lumbar instability.

• The Journal of the Korea Contents Association
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• v.13 no.4
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• pp.331-338
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• 2013

This study conducted the following experiment to examine change of physicopsychological function on Dynamic Trunk Control Exercise(3D-DTCE) and Static Trunk Control Exercise (STCE) to chronic low back pain patients subject for lumbago therapy and management. Physical function was measured by equlibrium and lumbar muscle activities and psychological function was measured by self-efficacy on comparative analysis of pre, post exercise and each groups in 30 lumbago patient subject. Equlibrium was measured by total, front back and left right sway index, lumbar muscle activities were measured by abdominal rectus and oblique abdominalis, erector spinae and self efficacy with lumbago patients was measured index of self efficacy. These result lead us to the conclusion that each group were statistically improved at all physicopsychological test. but equlibrium and lumbar muscle activities were more statistically improved at DTCE group and self efficacy with lumbago patients were not differanced on each group. Consequently, DTCE would be lead to positive increment of physical function more than STCE.

• Journal of Yeungnam Medical Science
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• v.2 no.1
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• pp.39-44
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• 1985

To assess the effect of post-operative pain control of upper abdominal surgery through lumbar epidural narcotic injection, the 3rd or 4th lumbar epidural puncture was done, and were injected 1mg, of morphine (Group I) or 10mg, of demerol (Group II) mixed with 10ml of normal saline into the epidural space, after operation of the cholecystectomy in 10patients and antrectomy and vagotomy, subtotal or total gastrectomy in 10patients. Time interval of the post-operative analgesic effect between morphine and demerol groups were compared. The results of this study were as follows: 1. In the group I, average analgesic duration was 29.4 hours. 2. In the group II, average analgesic duration was 4.0 hours. It is concluded that post-operative pain control of upper abdominal surgery through the lumbar epidural narcotic injection was effective, and morphine injection was more effective than demerol.