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최혜원(Hae Won Choi),이문수(Moon Soo Lee),임명호(Myung Ho Lim),권호장(Ho Jang Kwon),하미나(Mina Ha),유승진(Seung Jin Yoo),김은정(Eun Jeong Kim),백기청(Ki Chung Paik) 대한소아청소년정신의학회 2012 소아청소년정신의학 Vol.23 No.3
Objectives:Childhood depressive disorder one of the most prevalent chronic health conditions affecting school aged children. The objective of this study was to examine the prevalence and epidemiological characteristics of childhood depressive disorder in Korea. Methods:In this study, a survey was conducted of elementary school children in the Cheonan area from September 2009 to August 2010. A total of 12,084 children were included in the analyses. The primary measure of depression was the 27-item Kovacs’ Children’s Depression Inventory (CDI), the Korean Dupaul attention-deficit hyperactivity disorder Rating Scales (K-ARS), Autism Spectrum Screening Questionnaire (ASSQ) and Restless Legs Syndrome Questionnaire (RLSQ) were also administered. Results:The prevalence rate of childhood depressive disorder was 3.07%. The mean age was 9.21±1.81 years for the control group (5,969 male, 6,054 female) and 9.91±1.83 years for the depression group (CDI score≥22 ; 159 male, 210 female). Age, height, weight, and economic status were similar for the two groups. However, there were statistically significant differences in the distribution of sex. The distribution of school grade also differed between the two groups. Scores for CDI, K-ARS, and ASSQ in the depressive group were higher than those of the control group. Conclusions:This is the first large-scale population-based study to report on the prevalence of childhood depressive disorder in South Korea. Increased rates of childhood depressive disorder, as reported by primary caretakers, might reflect the increasing negative impact of environmental risk factors on neurobehavioral health. Longitudinal study of the prevalence of childhood depressive disorder should be considered for further evaluation.
요추 운동 분절의 고정 형태에 따른 척추 주변 근육력과 흉요근막 인장력의 변화 해석
최혜원(Hae Won Choi),김영은(Young Eun Kim) 대한기계학회 2017 대한기계학회 춘추학술대회 Vol.2017 No.11
The effect of spinal fixation of the lumbar motion segment on the changes in the pattern of paraspinal muscle activity and thoracolumbar fascial tension was investigated using a previously developed musculoskeletal model. The paraspinal muscle activity and fascial tension were calculated based on a hypothesis, the intervertebral disc was assumed to have a transducer function and the muscle is activated according to a sensor driving control mechanism to maintain the spinal stability. The analyses were conducted in 60° trunk flexion. For the fixation of the motion segment, a rigid fixation or a dynamic stabilization was applied at L3-L4 or L4-L5 level. As a result, the muscle activities and fascial tension were properly adjusted for lumbar spinal stability and to maintain the trunk flexion.
Effective Biological Sequence Alignment Method using Divide Approach
Hae-Won Choi(최혜원),Sang-Jin Kim(김상진),Su-Young Pi(피수영) 한국산업정보학회 2012 한국산업정보학회논문지 Vol.17 No.6
This paper presents a new sequence alignment method using the divide approach, which solves the problem by decomposing sequence alignment into several sub-alignments with respect to exact matching subsequences. Exact matching subsequences in the proposed method are bounded on the generalized suffix tree of two sequences, such as protein domain length more than 7 and less than 7. Experiment results show that protein sequence pairs chosen in PFAM database can be aligned using this method. In addition, this method reduces the time about 15% and space of the conventional dynamic programming approach. And the sequences were classified with 94% of accuracy.
12주간의 필라테스 훈련이 한국 무용 돋음체 동작에 미치는 영향
신성휴(Sung Hyu Shin),김현숙(Hyun Sook Kim),김은경(Eun Kyong Kim),최혜원(Hae Won Kim),변경석(Kyung Seok Byun),오은영(Eun Young Oh) 한국무용과학회 2010 한국무용과학회지 Vol.20 No.-
본 연구의 목적은 12주간의 필라테스 훈련이 돋음체 동작 시 몸통의 신체 중심의 이동변화와 하지관절의 각 변화에 미치는 영향을 밝혀내기 위하여 필라테스 훈련 경험이 없는 예술고등학교 여자 고등학생 10명을 대상으로 3차원 영상 분석을 실시한 결과 다음과 같은 결론을 얻었다. 1) 한국 무용 돋음체 동작 시 몸통 중심 수직 이동 변위의 평균값에서 필라테스 훈련 전 평균은 99.90cm로 나타났고 훈련 후에는 98.13cm로 나타나 몸통의 신체 중심의 수직 위치가 훈련 전 보다 훈련 후가 낮아 진 것으로 나타났다. 2) 한국 무용 돋음체 동작 시 힙 각의 평균값은 훈련 전 평균 18.58º 보다 훈련 후 평균 22.14º로 힙 관절의 굴곡이 증가한 것으로 나타났다. 3) 한국 무용 돋음체 동작 시 무릎각의 평균값에 있어 실험 전 -15.44º에서 실험 후 -24.62º로 굴곡이 증가한 것으로 나타났다. 4) 한국 무용 돋음체 동작 시 발목각의 평균값에 있어 훈련 전 -19.61º에서 훈련 후 -23.36º으로 나타났고 e2시점에서 최대 저측 굴곡이 향상된 것으로 나타났다. 필라테스 훈련을 통하여 한국무용의 돋음체 동작에서 피험자들은 파워하우스를 단련과 하지 근력의 향상으로 하지의 부하를 줄이는데 효과가 있을 것으로 사료된다. 몸통의 중심이 낮아진 것은 몸통이 앞쪽으로 기울어짐에 의한 것으로 사료되며, 몸통과 하지의 조절 능력의 향상으로 인해 힙과 무릎의 굴국이 증가하였고, 발목각의 최대 저측 굴곡이 향상된 것으로 나타났다. 이것은 필라테스 훈련이 호흡훈련과 유사한 효과로 하지 근력과 협응력의 향상으로 무용 테크닉 향상에 도움이 될 것으로 사료된다. The purpose of this study was to analyze the effects of a 12-week pilates exercise on changes of the body-centered movement and lower limb joint movements in Dodumche of the traditional Korean dance. The results of this study can be summarized as follows; 1) In Dodumche of the Korean traditional dance, it was found in the pre-test that the average distance of body-centered movement had been 99.90cm and in the post-test that it was 98.13cm. Namely, the body-centered position was lower after the pilates exercise. 2) In Dodumche of the Korean traditional dance, the average hip angle was 18.58º before the exercise, but it was 22.14º after the exercise, which suggests that the pilates exercise conduced to extension of the hip joint. 3) In Dodumche of the Korean traditional dance, the knee angel before the exercise was -c5.44º but it was wider to -n .62º after the exercise.e) In Dodumche of the Korean traditional dance, the ankle angle before the exercise was -c9.61º but after the exercise it was extended to -23.36º. In Dodumche of the Korean traditional dance, the subjects who had undergone the pilates exercise improved their power house and muscular strength. All in all, although the center of the body was lower, it was conceived that the hip angle was extended, probably because the body could be bent more forwards and the ankle angle could be extended to a maximum degree. It is expected that the pilates exercise will help to improve the dance skills in a short period of time.