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- 저자 : 홍호진(Ho Jin Hong) (검색결과 4 건)
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홍호진(Ho-jin Hong),조현민(Hyun-min Cho),최성훈(Seong-Hoon Choi) 한국산업경영시스템학회 2020 한국산업경영시스템학회지 Vol.43 No.1
The plastic waste problem is deepening all over the world. Plastic wastes have serious impacts on our lives as well as environmental pollution. The production and use of plastics increases every year, but once they are produced, they usually roam the earth for hundreds or thousands of years to pollute the environment. Although there is growing interest in plastic issues around the world and environmental regulations are being tightened, but no clear solution has yet been found. This study suggests Environmental degradation index (EDI). EDI can help raise consumers’ attention to plastic wastes. In addition, EDI will contribute to reduce them in the future. As far as we know, this is the first study. We developed EDI for the confectionery packaging. This study defines four factors that may affect the environment of confectionery packaging: greenhouse gas emissions, energy consumption, methane emissions, and packaging space ratio. Then we quantify the value of each element and compute EDI as the sum of the four component values. In order to evaluate the feasibility of EDI proposed in this study, confectionery-packaging materials distributed in Korea were collected and analyzed. First, the types of confectionery are classified into pies, biscuits, and snacks and basic data was collected. Then the values of the four components were calculated using existing research data on the environment. We can use the proposed EDI to determine how much a product packing affects the environment.
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양측 집중 훈련이 뇌졸중 환자의 상지기능 회복에 미치는 영향
홍호진(Hong Ho-Jin),박혜연(Park Hae Yean),김정란(Kim Jung-Ran),박지혁(Park Ji-Hyuk) 대한신경계작업치료학회 2020 재활치료과학 Vol.9 No.2
목적 : 양측 집중 훈련 치료가 뇌졸중 환자의 상지 기능 및 일상생활에 미치는 영향을 알아보고자 하였다. 연구방법 : 뇌졸중 편마비 환자 18명을 대상으로 무작위로 양손 집중 훈련군 9명, 한손 집중 훈련군 9명으로나누어 진행하였다. 양손 집중 훈련군에는 환측 손과 건측 손을 함께 사용하는 과제훈련을, 한손 집중훈련군에는 환측 손만을 이용한 과제훈련을 매 회 1시간 씩, 주 5회, 4주간 적용 하였다. 자료 분석은기술통계와 교차분석(Chi-square test), 윌콕슨 부호 순위 검정(Wilcoxon singed rank test), 만-휘트니U 검정(Mann-Whitney U test)을 사용하였다. 결과 : 집단 내 비교에서는 양손 훈련군은 자가 평가에서 일상생활 활동 수행 시 환측 상지의 사용빈도와움직임의 질이 향상되었고, 환측 상지의 기능향상 및 양측 상지의 협응 능력에 향상을 보였다. 또한, 24시간 동안 양손 움직임의 양을 측정한 결과 건측에 비해 환측의 사용 비율이 향상 되었다(p<.05). 한손 훈련군에서도 자가 평가에서 일상생활 활동 수행 시 환측 상지의 사용빈도와 움직임의 질, 환측상지의 운동기능 증진에 효과가 있었다(p<.05). 집단 간 비교에서는 양손 집중 훈련군에서 한손 집중훈련군보다 양손의 협응 능력과 24시간 동안의 일상생활활동에서 환측의 참여 비율에 더 큰 향상이나타나 유의한 차이를 보였으며 환측의 손 기능은 두 군간 차이를 보이지 않았다(p<.05). 결론 : 양손 집중 훈련 치료가 뇌졸중 환자의 상지 운동기능향상에 효과가 있고 한손 집중 훈련 치료보다양손 협응 능력과 일상생활에서 환측의 사용 비율을 향상 시키는데 효과가 있는 치료 기법이라고 할수 있다. Objective : The purpose of this study was to investigate the effects of bimanual intensive training on Upper Extremity Function and activities of daily living in stroke patients. Methods : The subjects were 18 patients who were diagnosed with hemiplegic stroke. They were randomly assigned to bimanual intensive training group (n=9) and unilateral intensive group (n=9). Bimanual training group performed bimanual task and unilateral training group performed one hand task for 1 hour per session, 5 times a week, for 4 weeks. Chi-square test, Wilcoxon signed rank test, and Mann-Whitney U test were used for analysis. Results : The results showed that, upper extremity motor function and bimanual coordination were significantly improved in patients in the bimanual training group (p<.05). Additionally, the ratio of affected hand use and amount of use/quality of movement in the hemiplegic upper extremity in activities of daily living for patients in the bimanual training group were significantly improved (p<.05). Although the unilateral group improved motor upper extremity function and activities of daily living in the upper extremity (p<.05), it was not significantly different from that in the bimanual training group. In between-group comparison, bimanual coordination and ratio of the affected hand use in a day were significantly different (p<.05). Conclusion : It is reasonable to conclude that bimanual intensive training therapy is an effective intervention method to improve upper extremity motor function, and activities of daily living in stroke patients.
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조현민(Hyun-min Cho),홍호진(Ho-jin Hong),최성훈(Seong-Hoon Choi) 한국산업경영시스템학회 2019 한국산업경영시스템학회 학술대회 Vol.2019 No.추계
The plastic waste problem is deepening all over the world. Plastic waste has a serious impact on our lives as well as environmental pollution. The production and use of plastics increases every year, but once they are produced, they usually roam the earth for hundreds or thousands of years to pollute the environment. Although there are growing interests in plastic issues around the world and environmental regulations are being tightened, but no clear solution has yet been found. Therefore, this study proposes a non-environmental friendly index (NEFI) the proposed components to reduce the amounts of packing wastes. As far as we know, this is the first study. We can use the proposed components to derive NEFI. NEFI can determine how much a product affects the environment. In addition, NEFI will contribute to reducing packing waste in the future.
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