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전기적 임피던스 방법을 통한 hand-held 타입의 심박출량 모니터링 시스템 개발 및 검증
서광석(Kwang-seok.Seo),심명헌(Myeong-Heon Sim),김민용(Min-Yong Kim),윤찬솔(Chan-Sol Yoon),정주홍(Joo-Hong Chung),박성빈(Sung-Bin Park),윤형로(Hyung-Ro Yoon) 대한전기학회 2012 전기학회논문지 Vol.61 No.12
The impedance cardiogram has been proposed as a non-invasive, continuous, operator independent, and cost-effective method for cardiac output monitoring. However, it can not be completely considered as non-restrictive method beacuse of attached spot and band type electrodes. Therefore, we developed a improved convenient hand-held typed measurement system for cardiac output by electrical impedance technique. 80 subjects from Yonsei University and the surrounding areas, participated. All subjects measured stroke volume and cardiac output through Physioflow and developed system. To verify the developed system, statistical methods such as correlation, Wilcoxon signed ranks test, and the Bland-Altman analysis were used. The proposed system showed significant correlation in both male and female stroke volume(r=0.715, r=0.704) and cardiac output(r=0.826; r=0.804). From these results, it can be concluded that stroke volume and cardiac output could be improved convenient measurement using the both hands without the help of a specialist.
체육교사의 학교-지역스포츠클럽 연계 운영 경험에 관한 자문화기술지
서광석(Seo, Kwang-Seok),권민혁(Kwon, Min-Hyuk) 한국체육과학회 2016 한국체육과학회지 Vol.25 No.5
This study has the objective of retrospectively exploring coexistent development and educational possibilities of school-community associated sports club by narrating this researcher’s experience in operating school-community associated sports club as the first person narrator. This study uses Autoethnography in order to express the researcher’s experience in and feelings about operating school-community associated sports club as a physical education teacher at a school. Collection of reference was done by using researcher’s recollection, self-observation, self-examination, participant observation, research diary keeping, in-depth interview and etc. The study result was mentioned retrospectively on researcher’s experience in operating school-community associated sports club in order of Relationship, Association, Pain, Benefit. 1) Relationship: Beginning of relationship. Pressure caused by mounting works to operate the sports club made researchers aware of issues of efficient operation and students’ request for special training and place for it gave an opportunity to look for alternatives. 2) Association: During the course of school-community association, researchers’ request for help triggers association with community sports club and schools and the gym shared space, training time and talent. 3) Pain: Conflicts and worries. Researchers had problems in balancing between better evaluation on qualifications which is too low and educational value and worried about complaints from schools and the gyms facility maintenance issue. 4) Benefit: Benefit schools and community. Operating school-community associated sports club lessened pressure of teaching the gym students and their skills were improved. In addition, it was certain that this may be associated with life-time sports and inter-generation exchange was being made.