• 대한물리의학회지
• /
• 제11권3호
• /
• pp.105-110
• /
• 2016

PURPOSE: The aim of this study was to investigate the influence of hip abduction velocity and position change on the relative onset times of the gluteus medius, the tensor fascia latae, and the quadratus lumborum in healthy subjects. METHODS: For this study, 15 healthy young adults were recruited. The subjects were asked to move their hip joints up to 35 degrees of abduction at a speed of $70^{\circ}/sec$ and $17.5^{\circ}/sec$ in the supine and side-lying positions. Electromyography data was collected for the gluteus medius, tensor fascia latae, and quadratus lumborum to determine the onset times. RESULTS: There were significant differences between the fast speed ($70^{\circ}/sec$) and the slow speed ($17.5^{\circ}/sec$) in hip abduction in a supine position and in a side-lying position, relatively. The onset time of the gluteus medius was faster than that of the tensor fascia latae and the quadratus lumborum in the side-lying position at the speed of $70^{\circ}/sec$ and $17.5^{\circ}/sec$. CONCLUSION: The findings of this study indicated that hip abduction in a side-lying position is an effective method to recruit the gluteus medius earlier than the tensor fascia latae and the quadratus lumborum. Thus, the exercise position is considered necessory in the purpose of rehabilitation for gluteus medius muscle strengthening program.

• Journal of Preventive Medicine and Public Health
• /
• 제32권4호
• /
• pp.513-525
• /
• 1999

Objectives : High-normal blood pressure' is a factor influencing decision to initiate targeted intensive intervention strategy in westernized populations. JNC-VI offered the vigorous lifestyle modification for persons with 'high-normal blood pressure', who could be early detected. As a hypertension seems to be the result of multiple genetic factors operating in concert with associated environmental factors, it will be necessary to identify the high-normal blood pressure as a risk factor of hypertension for applying primary prevention strategy in Korean people. Methods : Although cohort study design might be adequate to recruit incidence cases, to keep time sequence of events, and to prevent information bias, nested case-control study was chosen for avoiding measurement errors because hypertension is a benign disease. Source population was the 'Seoul Cohort' participants and follow-up was done by using Korea Medical Insurance Corporation's database on the utilization of health services from 1 Jan93 to 30Jun97. Incidence cases were ascertained through the chart review, telephone contacts, and direct blood pressure measurements. Controls included the pairing of 4 individuals to each case on the basis of age. Results : As 75% of 247 incident cases had high-normal blood pressure, the crude odds ratio for hypertension was 2.04 (95% CI 1.47-2.83). Another statistically significant risk factors of hypertension were body mass index, dietary fiber, alcohol consumption, weekly activity and history of quitting smoking. The multivariate odds ratio of high-normal blood pressure adjusted for all risk factors was 1.84 (95% CI 1.31-2.56). Among high-normal blood pressure group, body mass index, weekly ethanol amounts, weekly physical activity, and dietary fiber except history of quitting smoking were still risk factors of hypertension. Conclusion : 'High-normal blood pressure' is a risk factor for hypertension in Korean middle-aged men, which represents that the vigorous lifestyle modification for persons with 'high-normal blood pressure' is need.

• 한국IT서비스학회지
• /
• 제19권1호
• /
• pp.103-112
• /
• 2020

Job seekers are making various efforts to find a good company and companies attempt to recruit good people. Job search activities through self-introduction essay are nowadays one of the most active processes. Companies spend time and cost to reviewing all of the numerous self-introduction essays of job seekers. Job seekers are also worried about the possibility of acceptance of their self-introduction essays by companies. This research builds a classification model and conducted an experiments to classify self-introduction essays into pass or fail using deep learning and decision tree techniques. Real world data were classified using stratified sampling to alleviate the data imbalance problem between passed self-introduction essays and failed essays. Documents were embedded using Doc2Vec method developed from existing Word2Vec, and they were classified using logistic regression analysis. The decision tree model was chosen as a benchmark model, and K-fold cross-validation was conducted for the performance evaluation. As a result of several experiments, the area under curve (AUC) value of PV-DM results better than that of other models of Doc2Vec, i.e., PV-DBOW and Concatenate. Furthmore PV-DM classifies passed essays as well as failed essays, while PV_DBOW can not classify passed essays even though it classifies well failed essays. In addition, the classification performance of the logistic regression model embedded using the PV-DM model is better than the decision tree-based classification model. The implication of the experimental results is that company can reduce the cost of recruiting good d job seekers. In addition, our suggested model can help job candidates for pre-evaluating their self-introduction essays.

• 수산해양기술연구
• /
• 제11권1호
• /
• pp.15-20
• /
• 1975

The catch per unit effort and the migration of Alaska pollack Theragra chalcogramma were deduced from the catch data of 1, 208 hauls of a stern trawler operated on and around the continental shelf east of the Kamchatka Peninsula and Kurile Islands from October 1974 to December 1975. Alaska pollack occupied more than ninety per cent of the total catch of approximately 17, 760 metric tons, while the cuttle and flat fishes occupied less than five percent. Beside those fishes, approximately 131 metric tons of Alaska pollack roe were produced during the voyage from February to April 1975. The mean catch per unit effort in each sub-area of fishing ground was approximately 15.5 metric tons and the peak of the CPUE occured in January and August. The CPUE in the continental shelf east of Kamchatka Peninsula ($50^{\circ}- 52^{\circ} N$ Lat) showed the maximum of 25-34 metric tons in August. The main fish school is thought to migrate southward speedily in August-September along the continental shelf from the Kamchatka Peninsula to the east of Kurile Islands. The CPUE on the continental shelf east of Kamchatka Peninsula was higher than that on the steeper continental slope. However, the CPUE on the steeper flank of the bank east of Paramushiru Island and Onekotan Island was remarkably higher than that on the relatively flat top of the bank. The small-sized fishes of less than thirty centimeter in fork length began to recruit in the fishing ground since August 1965.

• 한국동물번식학회:학술대회논문집
• /
• 한국동물번식학회 2001년도 춘계학술발표대회
• /
• pp.59-59
• /
• 2001

Interleukin-10 (IL-10) is known as a regulator of inflammation and pathogenesis in mammalian organs, but its precise role is little known in the mammary gland. Our initial experiment showed that IL-10 expression levels in mice decreased at the lactation stage otherwise increased at the involution stage. To reveal the effects of IL-10 on the involution of mammary gland, expression profiles of the apoptosis-related genes were examined in transgenic mice expressing human IL-10 as well as in knock-out mice (IL-10-/-). Mild inflammatory legions by lymphocytes were observed in the mammary glands of transgenic lines at the lactation stage. The expression of TRAIL (Tumor necrosis factor-Related Apoptosis-Inducing Ligand) among the apoptosis-related genes was highly elevated in the transgenic mice while others were not significantly changed. Furthermore, TRAIL was down regulated by four fold in the IL-10-/- mice at the involution stage. The expression of DR4 was elevated at the involution stage of normal mice. DR4 was detected in the milk of transgenic mice but absent in that of normal mice. Our results proposed that the elevated IL-10 at the involution stage recruit lymphocytes and induce TRAIL and DR4 genes, therefore, lead to enter involution stage of mammary glands.

• Nutrition Research and Practice
• /
• 제1권1호
• /
• pp.57-64
• /
• 2007

Dining-out behavior is associated not only with socio-demographic characteristics such as gender, education, occupation, residence, and marital status, but also with individual preferences, such as eating-out activities, interests, and opinions. We investigated dining-out behaviors and their associated factors. Announcements by health practioners and the Chief of Dong Office were used to recruit 739 residents (217 males and 522 females) in Chuncheon, Korea. Information on the frequency and reasons for eating out, the standards for meal selection, and the overall satisfaction with restaurants, based on taste, nutrition, amount, price, service, sanitation, and subsidiary facilities of restaurants, was obtained through personal interviews with a structured questionnaire. Among all respondents, 46.3% of subjects ate outside of the home once or twice a month, and 33.8% reported that they ate out only a few times a year, or never. This was much higher than the national average of 52.0% as reported by the Korean National Health and Nutrition Survey (KNHNS) in 2001. The frequency of eating out differed significantly according to age (p=0.001), family income (p<0.001), residential area (p<0.001), and educational level (p<0.001). The most common reasons for dining out were meetings (46.7%), followed by special celebrations (15.4%), and enjoyment (11.2%). Korean food (55.3%) was the most frequently selected type of meal when eating out, and food was most often selected based on personal preferences (41.4%) and taste (29.8%); only 5.5% and 7.7% of subjects considered nutrition or other factors (e.g., sanitation), respectively. The results showed that the frequency of eating out for Chuncheon residents was much lower than the national average; in addition, eating-out behaviors depended on the residents' socio-demographic and personal characteristics.

• Asian Pacific Journal of Cancer Prevention
• /
• 제15권23호
• /
• pp.10115-10119
• /
• 2015

Purpose: The aim of this study was to investigate effects of adipose-derived mesenchymal stem cells (AMSCs) on radioresistance of breast cancer cells. Materials and Methods: MTT assays were used to detect any influence of AMSC supernatants on proliferation of breast cancer cells; cell migration assays were used to determine the effect of breast cancer cells on the recruitment of AMSCs; the cell survival fraction post-irradiation was assessed by clonogenic survival assay; ${\gamma}$-H2AX foci number post-irradiation was determined via fluorescence microscopy; and expression of IGF-1R was detected by Western blotting. Results: AMSC supernatants promoted proliferation and radioresistance of breast cancer cells. Breast cancer cells could recruit AMSCs, especially after irradiation. IGF-1 derived from AMSCs might be responsible for the radioresistance of breast cancer cells. Conclusions: Our results suggest that AMSCs in the tumor microenvironment may affect the outcome of radiotherapy for breast cancer in vitro.

• 한국콘텐츠학회논문지
• /
• 제14권7호
• /
• pp.161-168
• /
• 2014

지방분권은 국가와 지방자치단체의 권한과 책임을 합리적으로 배분하는 것으로 본 논문은 한국형 분권국가 추진을 위해 우선, 분권화와 관련된 선행연구를 고찰하였다. 다음으로 학자나 전문가를 대상으로 지방분권 정도의 평가와 분권방향 등을 살펴보았다. 마지막으로 지방분권을 위한 과제를 도출하였다. 지방분권 과제는, 첫째, 조직구성의 자율성 확대이다. 지방자치단체의 조직구성은 지방의 직무의 내용에 따라 정해지는 것이 바람직하다. 둘째, 인사운영(정원운영)의 자율권 확보이다. 지방자치단체의 정원과 인력관리는 중앙이 획일적으로 통제하기보다는 지방이 주체적으로 처리하는 것이다. 또한 이에 대한 견제와 감독은 당해 지방의회와 시민단체, 지역 주민에게 맡기는 것이 필요하다. 셋째, 재정분권 확대이다. 재정분권 확대는 우선, 자치재정권의 확충으로 법률이 정하는 범위 내에서 조례에 의해 자율적으로 세율을 결정할 수 있어야 한다. 다음으로 국세의 지방세 전환을 통한 재정분권 확대 등이 필요하다. 또한 재정분권의 확대를 위해 지방소득세와 지방소비세의 확대가 필요하다. 지방분권은 어느 한 분야의 분권으로 이루어지는 것이 아니고 조직, 인사, 재정 등 다양한 분야의 기능을 이양하는 등 많은 노력이 필요하다.

• 정보관리학회지
• /
• 제34권1호
• /
• pp.135-154
• /
• 2017

본 연구는 모바일 건강 어플리케이션의 사용을 방해하는 요인을 혁신확산이론에 따라 분석하고자 하였다. 본 연구는 유의적 표집방법에 따라 비수용자(non-adopters)와 사용 중단자(rejecters)로 구성된 대학생을 모집하였다. 연구 참여자는 총 44명으로 남학생 32명과 여학생 12명으로 구성되었으며 서면인터뷰를 실시하였다. 연구 결과, 상대적 유익성, 복잡성, 시험가능성 및 관찰가능성 등과 같은 속성은 건강 어플리케이션의 채택이나 지속적 이용을 방해하는 심각한 요인으로 작용하지 않았으나, 상대적 불이익과 적합성은 커다란 방해요인으로 작용하는 것으로 파악되었다. 본 연구의 결과는 건강 어플리케이션이라는 혁신을 확산시키고 지속적 이용을 장려하기 위해서는, 상대적 유익성이나 복잡성을 개선하기 보다는, 상대적 불이익에 대한 인식을 재고하고 생활 적합성은 강화해야 한다는 점을 시사한다.

• 시큐리티연구
• /
• 제9호
• /
• pp.133-153
• /
• 2005

산업화와 도시화에 따른 각 계층의 다양한 경호서비스 수요를 충족시켜 줄 수 있는 연구와 효율적인 운영방안이 절실히 필요한 시점이다. 경호업체들 중 상당수의 업체들이 부실경영과 자본력의 압박, 인력관리능력부족 등으로 인하여 인프라를 구축하지 못하고 파산하거나 영세성을 면치 못하고 있다. 민간경호업무의 효율적인 운영방안을 다음과 같이 제시하고자 한다. 첫째, 제도적 관점을 통한 운영 방안으로 새로운 민간경호만의 법 제정과 국가적 차원에서 보다 많은 지원이 필요하고, 영세 업체간의 구조조정과 인수합병을 실시, 최저가격제도로 운영하여야 한다. 둘째, 민간경호시장 구조적 측면에서 운영방안으로 경호원을 위한 전문교육기관 설치, 적정수준의 보수확보와 후생복지제도의 확충, 경호에 대한 사회적 인식변화에 노력함과 경호업체의 특성과 능력에 따라 한 분야의 전문영역을 개발해 나가야 한다. 셋째, 민간경호업무 운영시스템 구축을 통한 운영방안으로 우수한 경호인력의 확보, 끊임없는 홍보 마케팅 전략 수립과 시행시스템 구축, 의뢰자에게 높은 신뢰성 구축, 평상시 경호원교육훈련 시스템 구축, 사후 경호의뢰자 관리 시스템 구축, 개별업체의 특성에 맞는 시스템을 구축하여야 한다.