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발 뒤꿈치 내리기 운동이 하지기능 회복 정도와 동적 균형능력에 미치는 영향
윤광호(Yun Kwang-Ho),우지혜(Woo Ji-Hea),우영근(Woo Young-Keun) 대한치료과학회 2013 대한치료과학회지 Vol.5 No.1
Objective: This study was conducted to investigate how much the heel down exercise program affects to the functional recovery and dynamic balance on lower extremity to stroke patients. Method: 10 patients received 30 min training which is the heeling down exercise program at B hospital in Gyunggi province. The exercises were performed once a day, five times per week for six weeks between January and March 2013. Re-assessment has done 6 weeks after the intervention. Results: The result showed that the heel down exercise program over short duration can be safely performed to 10 stroke patients. This exercise program may lead to improve on the functional recovery and dynamic balance on lower extremity to stroke patients. Conclusion: This study demonstrated that a short program that combined strengthening ankle exercise was more effective in improving the functional performance and dynamic balance on lower extremity to stroke patients. The various studies may need in further.
근육 수축 유형에 따른 발목관절 근력 강화가 뇌졸중 환자의 균형에 미치는 영향
윤광호(Yun Kwang-Ho),이주상(Lee Ju-Sang),유영열(You Young-Youl) 대한치료과학회 2013 대한치료과학회지 Vol.5 No.2
Objective: This study aimed to the effects of eccentric contraction training and concentric contraction training among ankle joint exercises on the balance of stroke patients and to compare their effects. Method: Forty patients with hemiplegia resulting from stroke were randomly and equally assigned to either an eccentric contraction training group or a concentric contraction training group. Using the Korean version of the Berg Balance Scale (K-BBS), the Timed Up and Go test with the addition of a cognitive task (TUGcongnitive), the Functional Forward Reach Test (FRT), and BioRescue as measurement tools, changes in the weight-bearing ratios of the paretic and non-paretic sides (Footsprints) were measured, as well as the total movement area of the central point of the body with the eyes open and closed. Changes according to the time in each measurement item and differences between the groups were analyzed with repeated measures analysis of variance (ANOVA). The statistical significance level was set at p<.05. Results: In comparison between the times for each group, K-BBS, TUGcognitive, FRT, and BioRescue, Footsprints, SEO and SEC improved in both groups with the passage of time. All variables improved to a greater cxtent in the eccentric contraction training group than in the concentric contraction training group. Conclusion: Eccentric contraction training, which is ordinarily accessible, involves low risk and is economical. Thus, it may be provided as an effective treatment method aimed at enhancing the balance ability of stroke patients whose onset period is shorter than two years.
사용량 기반의 모바일 메뉴 최적화 : 요일제 메뉴 기발을 통한 모바일 서비스 이용 활성화
김현호(Hyun ho Kim),김상우(Sang woo Kim),정명숙(Myoung sook Jung),윤광호(Kwang ho Yun) 한국HCI학회 2008 한국HCI학회 학술대회 Vol.2008 No.2
People are experiencing severe navigation problems in mobile site. Relatively limited research, however, has been conducted on mobile site navigation compared to web site navigation. This research aims to identify efficient mobile site navigation aids for timely preferred contents. It proposed timely menu system based on statistic data, and evaluates its efficiency through commercial beta test. We conducted a beta test in the fourth quarter of the year 2007, The total number of user is 12,000. The average number of PV (page view) by the experimental group was increased to 10% more than control group. Our results indicate that timely menu system helps people navigate mobile menu system more effectively. 모바일 메뉴의 최적화를 위해 본 논문에서는 기존 모바일 메뉴를 요일별 사용행태를 분석하였고 이를 통해 모바일 서비스를 사용하는 사용자들이 요일별로 특정 서비스를 선호하는 현상을 보이는 것으로 나타났다. 이를 기반으로 요일별로 고객이 주로 사용하는 서비스 메뉴를 분류 및 선정하는 과정을 거쳐 고객의 이용 목적에 부합되도록 주초, 주중, 주말 별 차별화된 메뉴를 계공하기로 하였다. 차별화된 메뉴 개발을 위해 기존 모바일 메뉴에 Bold, Color, Icon 등의 효과의 차별화를 주는 다양한 시안을 개발하였고 고객 설문조사를 통해 이들 중 가장 효과적인 시안을 선택을 하였다. 최종 선택된 시안은 Color 및 Icon 효과를 메뉴에 제공하는 것이었다. 실계 사용 메뉴 시스템에 이를 적용하기 전에 실계 고객군과 동일한 Sampling 통해 선정된 12,000 여명의 고객을 대상으로 사전에 해당 시안을 제공하는 사전 파일럿 테스트를 한 달간 시행하였다. 효과에 대한 검증은 12,000 여명의 실험군과 함께 동일한 방법으로 선정된 12,000 명의 대조군과 비교하는 방식으로 이루어졌으며, 측정방식은 PV(page view), 구매율, 매출 등을 비교하여 실험군 및 대조군 간의 증감을 비교하였으며 테스트 결과 실험군이 대조군 대비 사용량 기준으로 약 10% 정도의 개선효과를 보여, 계안된 메뉴가 효과적임을 증명하였다.