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스포츠재활 전공 대학생의 스쿼트 운동과 만보걷기 운동 보행메커니즘 비교 분석
정해윤,이수민,장현수,최지현,김채윤,박정연,박지호,박문빈,김종근 한국체육과학회 2023 한국체육과학회지 Vol.32 No.4
The purpose of this study is to compare and analyze the effects of 12 weeks of squat and walking on walking mechanisms. The subjects of the study compared and analyzed the walking mechanism of 20 Sports Rehabilitation students at G University in G City through each program for 12 weeks. Detailed variables of the walking mechanism were compared and analyzed including Step length, Stance phase, Swing phase, Single support, Double support, Step time, and Speed, and the main results obtained in this study are as follows. First, there was a statistical significant difference in the period between squats and walking mechanisms. Second, there was a statistical significant difference in the period between walking on foot and walking mechanism. Third, there was no statistical significant difference in all variables except Sing support(left) between the group between squat and 10,000 steps. Taken together, the above results could not be determined that a specific exercise was more effective, but both squats and full steps were found to be effective in most walking variables. Accordingly, basic physical activities at a younger age should be preceded by basic physical activities that prevent aging in advance, minimize the pain that must be experienced in old age, and have a healthy and prosperous life. In future studies, it seems desirable to diversify the number of subjects and age groups, and to present a more detailed exercise program through long-term research.
최기열(Choi Ki Yeol),이덕수(Lee Duck Soo),박문빈(Park Moon Bin),김희택(Kim Hee Taek),장기풍(Chang Ki Poong) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.7
Current transformers(CTs) whose rating is selected per a full load current of a feeder in high voltage system can be easily saturated due to high fault current that may be several hundred times of the full load current of the feeder. However, the protective relay shall operate properly at the fault without mis-operation under the CT saturation. So, in selecting the CT rating, it is necessary to consider the behaviour of CT and a performance of protection scheme in condition where CT can be saturated. In this paper, a performance of CT and a degree of saturation are studied and verified whether its ratings are proper for the operation of the protective relay.