• 재활복지
• /
• 제18권4호
• /
• pp.207-220
• /
• 2014

본 연구는 지체 및 뇌병변 장애를 가진 아동(1~13세)에게 제공된 자세보조기구의 효과를 아동을 보살피는 보호자 관점에서 효과를 평가하고자 실시하였다. 장애아동의 보호자 42명을 대상으로 FIATS-AS(Family Impact Assistive Technology Scale for Adaptive Seating)를 이용하여 자세보조기구의 효과성을 보호자 관점에서 평가하였다. 기구 지원전 2번의 조사, 기구 지원 이후 2번의 조사 총 4번의 조사를 실시하여 반복측정을 통한 FIATS-AS 점수를 비교하였다. 또한 영유아(1~3세), 미취학(4~7세), 취학(8~13세)으로 3가지 연령대로 분류하여 연령대 간의 점수 차이를 비교하였다. 검증결과 자세보조기구의 제공은 장애아동의 보호자에게 긍정적인 영향을 미치는 것으로 나타났으며, 연령대에 따른 변화차이를 본 결과 1~7세의 취학 전 어린 연령대의 장애아동 보호자에서 의미있는 변화가 있었다. 결론적으로 자세보조기구는 아동에게 환경으로의 접근성을 향상시키고, 아동에 대한 보호자의 지원수준을 경감시킬 수 있는 의미있는 도구라고 할 수 있을 것이다. 따라서 자세보조기구와 같은 환경조정은 장애인과 보호자의 삶에 중요한 역할을 수행한다고 할 수 있다.

• 대한물리의학회지
• /
• 제14권1호
• /
• pp.75-89
• /
• 2019

PURPOSE: This study measured the impact of a 12-week fall-prevention exercise program on balance, ambulatory ability, lower limb strength, and psychosocial characteristics in older adults diagnosed with dementia. METHODS: The participants comprised 31 older adults (9 men, 22 women) diagnosed with Alzheimer's or vascular dementia at a long-term care hospital located in Gunsan City. A fall-prevention exercise program was provided to the experimental group, while the control group was only provided with instruction and materials related to the fall-prevention exercise program. The participants were evaluated before the intervention, 6 weeks after the intervention, and 12 weeks after the intervention on static and dynamic balance abilities (using Timed Up and Go test: TUG, Tinetti-balance scale, one-leg standing test: OLS), gait (Tinetti-balance scale, 6-minute walk test: 6MWT), lower limb strength (sit to stand test; STS), and psychosocial characteristics (Short Form 36 Health Survey-Korean version, Korean Mini-Mental State Exam). RESULTS: An independent samples t-test and repeated measures analysis of variance were used for the statistical analysis. There were statistically significant improvements after the intervention (p<.05) in dynamic balance abilities (TUG and OLS using the left foot), gait (6MWT), and lower limb strength (STS) for the experimental group, but not for the control group. No difference was seen in psychosocial characteristics. CONCLUSION: Older adults with dementia who participated in the fall-prevention exercise program showed significant improvements in their static and dynamic balance abilities, lower limb strength, and ambulatory ability after the intervention.

• 한국운동역학회지
• /
• 제31권3호
• /
• pp.205-213
• /
• 2021

Objective: The aim of this study was to analyze body stability Joint coordination pattern though as bending stiffness of shoes during stance phase of running. Method: 47 male subjects (Age: 26.33 ± 2.11 years, Height: 177.32 ± 4.31 cm, Weight: 65.8 ± 3.87 kg) participated in this study. All subjects tested wearing the same type of running shoes by classifying bending stiffness (A shoes: 3.2~4.1 N, B shoes: 9.25~10.53 N, C shoes: 20.22~21.59 N). They ran 10 m at 3.3 m/s (SD ±3%) speed, and the speed was monitored by installing a speedometer at 3 m intervals between force plate, and the measured data were analyzed five times. During running, ankle joint, MTP joint, coupling angle, inclination angle (anterior-posterior, medial-lateral) was collected and analyzed. Vector coding methods were used to calculate vector angle of 2 joint couples during running: MTP-Ankle joint frontal plane. All analyses were performed with SPSS 21.0 and for repeated measured ANOVA and Post-hoc was Bonferroni. Results: Results indicated that there was an interaction between three shoes and phases for MTP (Metatarsalphalangeal) joint angle (p = .045), the phases in the three shoes showed difference with heel strike~impact peak (p1) (p = .000), impact peak~active peak (p2) (p = .002), from active peak to half the distance to take-off until take-off (p4) (p = .032) except for active peak~from active peak to half the distance to take-off (p3) (p = .155). ML IA (medial-lateral inclination angle) for C shoes was increased than other shoes. The coupling angle of ankle angle and MTP joint showed that there was significantly difference of p2 (p = .005), p4 (p = .045), and the characteristics of C shoes were that single-joint pattern (ankle-phase, MTP-phase) was shown in each phase. Conclusion: In conclusion, by wearing high bending stiffness shoes, their body instability was increased during running.

• 한국도로학회논문집
• /
• 제18권6호
• /
• pp.123-130
• /
• 2016

OBJECTIVES : The objective of this research is to determine the moisture resistance of the freeze-thaw process occurring in low-noise porous pavement using either hydrated-lime or anti-freezing agent. Various additives were applied to low-noise porous asphalt, which is actively paved in South Korea, to overcome its disadvantages. Moreover, the optimum contents of hydrated-lime and anti-freezing agent and behavior properties of low-noise porous asphalt layer are determined using dynamic moduli via the freeze-thaw test. METHODS : The low-noise porous asphalt mixtures were made using gyratory compacters to investigate its properties with either hydrated-lime or anti-freezing agent. To determine the dynamic moduli of each mixture, impact resonance test was conducted. The applied standard for the freeze-thaw test of asphalt mixture is ASTM D 6857. The freeze-thaw and impact resonance tests were performed twice at each stage. The behavior properties were defined using finite element method, which was performed using the dynamic modulus data obtained from the freeze-thaw test and resonance frequencies obtained from non-destructive impact test. RESULTS : The results show that the coherence and strength of the low-noise porous asphalt mixture decreased continuously with the increase in the temperature of the mixture. The dynamic modulus of the normal low-noise porous asphalt mixture dramatically decreased after one cycle of freezing and thawing stages, which is more than that of other mixtures containing additives. The damage rate was higher when the freeze-thaw test was repeated. CONCLUSIONS : From the root mean squared error (RMSE) and mean percentage error (MPE) analyses, the addition rates of 1.5% hydrated-lime and 0.5% anti-freezing agent resulted in the strongest mixture having the highest moisture resistance compared to other specimens with each additive in 1 cycle freeze-thaw test. Moreover, the freeze-thaw resistance significantly improved when a hydrated-lime content of 0.5% was applied for the two cycles of the freeze-thaw test. Hence, the optimum contents of both hydrated-lime and anti-freezing agent are 0.5%.

• 여성건강간호학회지
• /
• 제8권2호
• /
• pp.201-211
• /
• 2002

The purpose of this study was to identify the relationship between self-empowerment and a health promoting lifestyle in climacteric women, and to provide the basic data for health promoting intervention. The subjects were 246 women who visited the sports center in Taegu, Korea and ranged in age from 40 to 59. The data was collected during the period from December 2nd to December 15th, 2001. The instruments were the revised health promoting lifestyle scale developed by Park, In Suk(1997) Originally the instruments were developed by Spreitzer(1995) and Jung Hea Joo(1998), who translated it into Korean. The data was analyzed using t-test, ANOVA, Pearson correlation coefficients and stepwise multiple regression. The results of this study were as follows : 1. Mean score of total empowerment was 3.76 and the subcategory 'meaning', had the highest score at 4.08. 2.Mean score of total health promoting lifestyle was 2.83 and in the subcategory, the highest degree of performance was 'sanitary life', followed by 'harmonious relationships' and 'self actualization'. The lowest degree was 'professional health management'. 3. A significant statistical difference between age, education and self-empowerment was found. 4. A significant statistical difference between age, marital status, leisure time activity (hobbies/community service) and a health promoting lifestyle was found. 5. Health promoting lifestyle was positively related to self-empowerment(r=.4592). A health promoting lifestyle was the highest positively related to the subcategory 'impact' (r=.4329). 6. The most important variable affecting the health promoting life style was impact which accounted for 19% of the total variance in stepwise multiple regression analysed. Five variables, impact, age, meaning, marital status and leisure time activity(hobbies/community service) accounted for 26% in promoting a healthy life style. From the results of the study, the following recommendations are presented : 1) Adopting the concept of self-empowerment is required in broad nursing fields. 2) Using and making a self-empowerment promoting program which can cause positive effects on a health promoting lifestyle are required. 3) It is required to check the rank of the subcategories such as meaning, competence, self determination and impact according to the subjects. 4) It is required to check the effects of all variances of self-empowerment, self-efficacy and self-esteem variances through the repeated studies.

• 문화기술의 융합
• /
• 제9권6호
• /
• pp.827-831
• /
• 2023

본 연구는 사회적자본이 사회적경제 인식에 영향을 미치는 요인을 검증하고 살펴보고자 하였다. 연구의 결과를 요약하자면 다음과 같다. 사회적자본이 사회적경제 인식에 미치는 영향을 분석한 결과 규범(t=3.228, p<.01), 참여(t=3.057, p<.01)가 사회적경제 인식에 유의미한 영향을 미쳤다. 즉, 규범을 잘 준수할수록, 참여가 높을수록 사회적경제 인식에 영향을 주는 것으로 나타났다. 이러한 결과를 바탕으로 다음과 같은 시사점을 도출하였다. 첫째, '규범'이란 사회 내에서 공동체 구성원들이 지켜야 할 규칙이나 기준을 의미하는데 이러한 규범은 개인들의 행동을 조절하고, 사회적 협력을 촉진하는 역할을 한다. 이를 통해 강력한 규범 체계가 있으면 사회적경제 활동에 참여하거나 협력하는 방식에 큰 영향을 줄 수 있을 것으로 여겨진다. 둘째, '참여'는 개인이나 집단이 사회적 활동에 얼마나 적극적으로 참가하는지를 나타내는 지표이다. 사회적자본을 통해 참여도가 높은 사람들은 사회적경제 인식에 대해 높은 이해력을 가지며, 효과적으로 행동할 수 있을 것이다. 이러한 결과는 선행연구에서는 규범을 잘 준수할수록, 신뢰와 네트워크가 강화로 될수록 사회적경제 인식이 높아졌다. 이와는 달리 본연구에서는 규범과 신뢰는 영향을 주는 것으로 나타났지만 네트워크는 영향을 주지 않는 결과로 선행연구 결과와는 차이가 있는 것으로 나타나 추후 반복적인 연구가 필요할 것으로 생각된다. 이상의 결과를 살펴볼 때 규범과 참여라는 사회적자본의 요소를 강화하고 발전시키면 전반적인 사회경제 인식 및 발전에 긍정적인 영향으로 미칠 수 있을 것이다.

• 한국철도학회:학술대회논문집
• /
• 한국철도학회 2011년도 정기총회 및 추계학술대회 논문집
• /
• pp.2464-2472
• /
• 2011

열차주행이 고속화 되고 콘크리트궤도가 건설되고 있는 가운데 레일 체결장치는 저탄성화로 전달하중, 소음, 진동 등을 저감 하려는 추세이다. 따라서 저탄성패드의 적용은 궤도전체의 내구성과 안정성에 미치는 영향이 크다고 할 수 있다. 본 연구에서는 선행연구에서 다룬 패드스프링계수별 정적해석과 실물반복재하시험에 이어 동적응답해석을 추가적으로 수행하였다. 열차바퀴를 실물로 모델링하여 레일위에서 직접 주행시킴으로서 이 때 발생하는 궤도각부의 변형특성을 비교 분석하여 저탄성패드의 스프링계수에 따라 노반으로 전달되는 하중의 저감 효과를 검토하였다.

• 한국철도학회:학술대회논문집
• /
• 한국철도학회 2011년도 정기총회 및 추계학술대회 논문집
• /
• pp.2049-2056
• /
• 2011

The reinforced-roadbed materials composed of crushed stones are used for preventing vertical deformation and reducing impact load caused by highspeed train. Repeated load application can induce deformation in the reinforced-roadbed layer so that it causes irregularity of track. Thus it is important to understand characteristics of permanent deformation in the reinforced-subbase materials. The characteristics of permanent deformation can be simulated by prediction model that can be obtained by performing repetitive triaxial test. The prediction model of permanent deformation is a key-role in construction of design method of track. The prediction model of permanent deformation is represented in usual as the hyperbolic function with increase of number of load repetition. The prediction model is sensitive to many factors including stress level etc. so that it is important to define parameters of the model as clearly as possible. Various data obtained from repetitive triaxial test and resonant column test using the reinforced-roadbed of crushed stone are utilized to develop a new prediction model based on concept of shear-stress ratio and elastic modulus. The new prediction model of permanent deformation can be adapted for developing design method of track in the future.

• 성인간호학회지
• /
• 제25권4호
• /
• pp.422-431
• /
• 2013

Purpose: This study was conducted to examine the impact of infection prevention program on the knowledge and performance among married Vietnamese immigrant women an infant or child. Methods: A non-equivalent control group pretest-posttest design was used. Participants were 53 Vietnamese women with an infant or a child in G city. The treatment (n=25) received an infection prevention program series that included eight sessions over a four week period with four time through telephone interviews a weekly intervals. Data were collected between October 26 and December 14, 2012, and were analyzed Chi-square, t-test, and repeated measure analysis of variance with SPSS/WIN 18.0. Results: The treatment group reported significantly higher scores in infection prevention knowledge (F=43.98, p<.001) and infection prevention performance (F=92.61, p<.001) at four and eight weeks following the treatment as compared to the control group. Conclusion: Results suggest that an infection prevention program is beneficial in increasing knowledge and performance to prevent infection.

• 한국항해항만학회지
• /
• 제40권5호
• /
• pp.337-343
• /
• 2016

The core decisions of bulk shipping businesses can be summarized as the timing and the choice of period for which carrying capacity is traded. In particular, frequent decisions to trade freight either with repeated spot transactions or with a one-off long-term deal critically impact business performance. Even though a variety of freight trading strategies can be employed to facilitate the decisions, chartering practitioners have not been active in utilizing these strategies, and academic research has rarely proposed applicable solutions. The specific properties of freight as a tradable commodity are not properly reflected in existing studies, and limitations have been reported in their application to the real world. This research focused on the establishment of applicable freight trading strategies by taking into account two properties of freight: time perishability and term-dependant pricing. In addition to traditional trading strategies, artificial neural networks were applied for the first time to the test of freight trading strategies. The performances of the trading strategies were measured and compared to produce a remarkable outperformance of the ANN. This research is expected to make a significant contribution to chartering practices by enhancing the quality of chartering decisions and eventually enabling the effective management of freight rate risk. In addition to methodological expansion, the result will propose a way to approach the controversial issue of freight market efficiency.