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근력, 평형성, 보행 동작 훈련이 다운증후군 아동의 보행 시 지면반력에 미치는 효과
임비오 ( Bee Oh Lim ),김규완 ( Kye Wan Kim ) 한국스포츠정책과학원(구 한국스포츠개발원) 2010 체육과학연구 Vol.21 No.2
이 연구는 다운증후군을 가진 아동(9~12세) 9명을 대상으로 12주간의 근력, 평형성, 보행 동작 훈련이 보행 시 나타나는 지면반력 특성에 미치는 효과를 규명하는 것이다. 근력, 평형성, 보행의 변화를 관찰하기 위해서 훈련이 시작된 지 12주가 경과한 시점에서 사전 검사와 동일한 방법으로 지면반력 변인을 측정하였다. 지면반력 변인을 측정하기 위해서 지면반력기 2대(AMTI ORG-6)를 사용하였다. 지면반력 자료는 초당 1200개(1200㎐)로 수집 하였다. 이 연구의 통계 처리는 12주간의 근력, 평형성, 보행 동작 훈련을 독립변인으로 하는 종속 티검증을 실시하였으며, 가설 검증을 위한 유의 수준은 α=.05로 설정하였다. 12주간의 근력, 평형성, 보행훈련 후에 보행 시간은 단축되었고, 최대 피크 및 두 번째 피크까지 걸린 시간비율이 증가하였고, 환측의 최대 피크 및 두 번째 피크 값이 증가하였고, 총 압력중심의 이동범위가 감소하는 등 보행 시 나타난 지면반력 변인이 12주간의 근력, 평형성, 보행 동작 훈련 후에 효과적으로 변화하였다. The purpose of this study was to investigate the effects of muscle, balance and walking training on the variables of ground reaction forces in children with Down syndrome. Nine children (9~12 years old) with Down syndrome participated in this study. The participant with Down syndrome participated in muscle, balance and walking training for 12 weeks, three times a week. Ground reaction force`s variables of gait were measured two force platforms set at 1200 frequency. A paired t-test was employed for selected ground reaction force variables to analyze the differences of the effect of training. The results indicated that gait velocity decreased, maximum peak and second peak time ratio of vertical ground reaction forces increased, maximum peak and second peak values with normalized with body weight increased, range of motion of whole center of pressure decreased after training. In conclusion, Down syndrome`s gait ground reaction force variables improved after the 12 week`s muscle, balance and walking training.
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인터넷 쇼핑몰에서의 소비자 구매결정속성에 대한 실증적 연구
계도원,김규완 동국대학교 경제경영연구원 1998 經濟經營硏究 Vol.22 No.1
To set up the strategy of marketing, the characters of important concerns that customers are willing to purchase some product or commodities must be analyzed and recognized in advance. Therefore, the purpose of this study is to analyze and figure out the factors of important concerns for customers to purchase some product(general product, specified planned product) in the shopping mall through Internet shopping mall directly bargained between company and customers among the electronic market. Based on the previous studies, the selection of the variables of purchasing decision attribute in the Internet shopping mall is largely divided with four categories of concerned variables. In this study the variables of purchasing decision attribute are followed. 1) The physical value of product 2) The theoretical value of product 3) The capabilities of purchasing execution in the shopping mall 4) The exchange method of product and its payment The results of this study show that customers to use the shopping mall consider in general about importantly all of four categories described above. However, this study determines that the companies to manage the shopping mall coldn't serve satisfactorily customers for 1) and 3) variables. One of the most important attribute for the case of general product in shown by only the exchange method of product and its payment. In contrast, the most important attribute of the case fo specified planned product are demonstrated by the theoretical value of product, the exchange method of product and its payment. But for the specified planned product, customers didn't receive yet satisfactorily their service for the exchange method of product and its payment. Therefore, to set up the strategy of marketing in the Internet shopping mall, the versatile methods of exchange product and its payment must be developed and also the better information of importantly concerned attribute for various product(general product, specified planned product) are provided in time. For the other variables of customer's concerns, the company should make lots of efforts support customers with satisfied service.
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