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전자호구 도입 후 대학 태권도 선수들의 부상 및 치료 실태
남정수 ( Nam Jeong Soo ),이제훈 ( Lee Je Hun ) 한국체육대학교 체육과학연구소 2020 스포츠사이언스 Vol.38 No.2
The study was conducted with the purpose of analyzing the wounded part and frequency of injury type of university Taekwondo athletes after introducing electronic body protect, and investigating the status of injuries and treatment according to demographic characteristics, The significance level was set at a=0.05. as a results, (1) According to the survey on the frequency analysis with multiple responses on wounded parts, the highest incidences of body region injuries were 2.9% in back part of head, 23.8% in lips of face, 33.9% in the waist, 42.8% in fingers of arms, 21.5% in hamstring of proximal legs, 30.6% in ankle of distal legs. (2) According to the survey on the frequency analysis with multiple responses on injury type, the highest incidences of classified injuries were 39.3% in blister of skin injury, 26.4% in muscle pain of muscle&tendon injury, 52.2% in ligament stretch of ligament injury, 37.3% in fracture of bone injury, 37.2% in sprain in joint injury. (3) The result of analysis on injury time to gender, Male athletes had similarly high injuries regardless of practice or competition while female athletes had higher injuries during practice(p=0.001). (4) The result of analysis on injury causes related to career, Excessive tension was the biggest cause for athletes with 1~9 years of career, and high competitive spirit was the biggest cause for athletes with more than 10 years of career(p=0.01). (5) The result of analysis on injury causes related to weight class, Excessive tension was the biggest cause for lightweight athletes, and high competitive spirit was the biggest cause for heavyweight athletes(p=0.03).(6) The result of analysis on treatment after injuries related to careers, athletes with 1~6 years and 10~13 years of career had more cases of having treatment through hospital physical therapy after injury, and athletes with 7~9 years and more than 14 years of career were more likely to have treatedh temselves after injury(p=0.001).
역학변색센서를 이용한 콘크리트의 표면 변형 감지에 관한 기초 연구
남정수(Nam, Jeong Soo),최경철(Choe, Gyeong Choel),편수정(Pyeon, Su Jeong),이예찬(Lee, Yae Chan),김홍섭(Kim, Hong Seop),김규용(Kim, Gyu Yong) 한국콘크리트학회 2021 한국콘크리트학회 학술대회 논문집 Vol.33 No.2
이 연구에서는 건축구조물의 효율적 유지관리 기법을 제안하기 위하여 물리적 변형을 색상변화로 나타내는 역학변색센서를 이용해 콘크리트의 표면 변형의 감지성능에 관한 기초연구를 수행하였다. In this study, a basic study was conducted on the detection performance of surface deformation of concrete using a mechanochromic sensor in order to propose an efficient maintenance method for building structures.
남정수 ( Nam¸ Jeong-soo ),김규용 ( Kim¸ Gyu-yong ),편수정 ( Pyeon¸ Su-jeong ),최병철 ( Choi¸ Byung-cheol ) 한국구조물진단유지관리공학회 2023 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.27 No.2
본 연구에서는 RC 보 부재의 변형에 따른 균열 거동을 평가하기 위해 균열부에 메카노크로믹 센서를 부착하여 균열 거동을 모니터링하였다. 실험 결과, 메카노크로믹 센서의 표면 변색과 변형 반응은 RC 보 부재의 균열 진행에 따라 확인되었으며, 10 mm 이상의 균열에서는 센서의 파열이 확인되었다. 이에 따라 메카노크로믹 센서의 구조물 건전도 및 유지 보수 활용과 최대 센서 변색 및 변형 범위를 파악하였다.