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트레드밀 훈련이 경직성 양하지 마비 아동의 대동작 운동 기능에 미치는 영향
최현진,김윤환,Choi, Hyun Jin,Kim, Yoon Hwan 대한물리치료과학회 2012 대한물리치료과학회지 Vol.19 No.3
The purpose of this study was to apply treadmill training through motor learning to cerebral palsy children and examine its effects on their Gross Motor Functions. The subjects of this study were 13 spastic diplegia children who had difficulty in independent gait, and GMFCS level III, IV. We performed treadmill gait training using the principle of weight bearing, based on 4times a week for 30 minutes before and after each session physical therapy we gave weight bearing treadmill training 5 to 10 minutes, during 7 weeks(April 9, 2012~May 26, 2012) fittingly for the children's gait characteristics. In order to test how the weight bearing treadmill training affects spastic diplegia children's gross motor functions, we measured body mobility with Gross Motor Function Measure (GMFM). These data were collected before and after the experiment and analyzed through comparison. Data collected from the 13 spastic diplegia children the results were as follows. For evaluating with regard to change in body mobility, significant difference was observed between before and after the experiment in measured gross motor functions, which were crawling, kneeling, standing, walking, jumping and running(p<0.05). According to the results of this study, when gait training through motor learning was applied to spastic cerebral palsy children, it made significant changes in their body mobility. Accordingly, for the effective application of gait training through motor learning to cerebral palsy children, it is considered necessary to make research from different angle on how such training affects children's mobility, activity of muscles in the lower limbs, and gait characteristics.
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Soil Properties of Quercus variabilis Forest on Youngha Valley in Mt. Worak National Park
최현진,전인영,신창환,문형태 한국생태학회 2006 Journal of Ecology and Environment Vol.29 No.5
Soil properties of Quercus variabilis forest on Youngha valley at Mt. Worak National Park werestudied as a part of Korea National Long-Term Ecological Research. Soil sampling was carried out along the 50 cm soil depth with 10cm intervals at every quarter from May 2005 through July 2006. Fresh soil was used for NH4+-N, NO3--N, and soil water content determination. Remaining soils were air dried in the shade, and then used for determination of soil pH, T-N, T-P and exchangeable cation. Average soil organic matter in top soil 3and increased with soil depth. Soil organic matter and bulk density showed a negative linear correlation (R2=0.8464). Soil pH in top soil and subsoil was similar. T-N, NH4+-N, NO3--N and T-P in top soil were 1.9 0.5 mg/g, 7.3 1.0 mg/kg, 2.0 0.4 mg/kg and 0.2 0.05 mg/g, respectively. K+, Ca2+and Mg2+in top soil were 84.6 24.4, 408.8 137.8 and 93.4 23.0 mg/kg, respectively. They decreased with soil depth. Amounts of organic matter, T-N, NH4+-N, NO3--N, T-P, K+, Ca2+and Mg2+in 50 cm soil depth were 250.9, 3.45, 0.025, 0.003, 0.639, 0.181, 0.845 and 0.302 ton ha-150 cm-depth-1, respectively.
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최현진,송윤경,여장옥,허세형,진성민,Choi, Hyun-Jin,Song, Yun-Kyung,Yeo, Jang-Ok,Huh, Se-Hyung,Jin, Sung-Min 대한후두음성언어의학회 2008 대한후두음성언어의학회지 Vol.19 No.2
Background and Objectives: The voice changes can occur in peritonsillar abscess and the labeling of this changes as a "muffled voice". The aim of this study was to investigate the changes in acoustic feature of voice before and after treatment in patients with peritonsillar abscess. Materials and Method: 12 patients with peritonsillar abscess were enrolled in the study. Acoustic analysis on sustained Korean vowels /a/, /i/ and /u/ were performed before and after treatment. Results: In patients with peritonsillar abscess, the first formant frequency (F1) and second formant frequency (F2) of /a/ were decreased. There was tendency of articulation of back-low vowel /a/ as back-high vowel /u/. F1 of /i/ and /u/ were increased, while F2 were decreased. There was tendency of articulation of front-high vowel /i/ as back-low vowel /a/. The third, forth, fifth formant frequency (F3, F4, F5) of /a/, /i/ and /u/ were decreased although statistically not significant. Conclusion: The anatomical and functional changes of oropharynx by peritonsillar abscess can cause changes in resonance and speech quality. We suggest that these changes could be the cause of 'muffled voice' in patients of peritonsillar abscess.
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최현진,김기종,남기원 대한물리치료학회 2014 대한물리치료학회지 Vol.26 No.3
Purpose: The purpose of this study is to examine the effects of postural control training using a horseback riding simulation onthe spinal alignment of children with cerebral palsy. Methods: This study was conducted with 30 children with cerebral palsy at levels Ι∼ IV in the Gross Motor FunctionClassification System (GMFCS), and they were randomly divided into a control group and a hippotherapy group. Both thecontrol group and the experimental group received NDT for 30 minutes per session, four times per week for ten weeks, whilethe experimental group also received hippotherapy 15 minutes per session, four times per week for ten weeks, after theneurodevelopmental treatment (NDT). The horseback riding simulators (JOBA, EU7805, Panasonic) used in this study simulatedactual horse movements. Trunk imbalance, pelvic torsion, and pelvic tilt were measured in each group before the exercise and fiveweeks and ten weeks after the beginning of the exercise using a spinal structure analysis system (ABW Mapper). Results: The Intra-group effects on trunk imbalance, pelvic torsion, and pelvic tilt according to the exercise periods after thehippotherapy were tested, and the results showed significant interaction effects between the groups and the periods (p<0.05). Conclusion: The horseback riding simulation exercise was shown to be effective for the spinal alignment of children with cerebralpalsy. Therefore, additional studies should be conducted with more children with CP divided by type.
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셀룰러 오토마타 기반 WCA2D 모형을 이용한 부산 온천천 유역 고해상도 도시 침수 해석
최현진,이송희,우현아,노성진 대한토목학회 2023 대한토목학회논문집 Vol.43 No.5
기후변화로 인해 전 세계 주요 도시에서 홍수의 빈도와 위험성이 증가함에 따라, 도시 침수에 대비한 선제적 대응을 위해 넓은 공간 영역에서 고 해상도 2차원 침수 정보를 신속하고 정확하게 해석할 수 있는 모의 기술의 중요성이 대두되고 있다. 기존의 천수 방정식(shallow water equations)에 기반한 물리적 해석 방법은 고해상도 침수 예측을 위해 많은 컴퓨터 자원과 계산 시간이 소요되는 한계가 있다. 본 연구는 전환 규칙과 가중치 기반 시스템을 사용하여 침수의 시공간 변화를 모의하는 셀룰러 오토마타(cellular automata) 기반 2차원 침수 해석 모형 Weighted Cellular Automata 2D (WCA2D)의 이론적 배경을 고찰하고, 부산 온천천 유역의 침수 사상 모의를 통해 재현하여 국내 도시 유역에 대한 적용성을 검토하였다. 또한, Open Computing Language (OpenCL)와 Open Multi-Processing (OpenMP)과 같은 병렬계산(parallel computing) 기술을 적용한 버전을 순차계산(sequential computing) 결과와 비교하여 연산 성능을 평가하였다. 연구 결과, WCA2D 모형에 의한 최대 침수심 분포는 과거 침수피해지도와 유사하게 모의되어, 복잡한 지형 특성을 가지는 도시 유역 침수의 시공간적 변화를 해석하기에 적절함을 확인하였다. 또한, 병렬계산 적용 시 순차계산 버전에 비해 OpenCL과 OpenMP는 약 8배~14배, 5배~6배 연산 효율이 향상되어 효율적인 도시 침수 모의가 가능하였다.
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