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프로골프선수의 성취목표성향과 스포츠 수행전략 및 경쟁불안의 관계
박승현(Park, Seung-Hyun),하상원(Ha, Sang-Won) 한국체육과학회 2021 한국체육과학회지 Vol.30 No.4
The purpose of this study was to investigate the relationship among achievement goal orientation, sports performance strategies, and competitive anxiety of professional golfers. Through convenience sampling method, selected 218 survey questionnaires were used for final analysis from professional golfers. With the collected data multiple regression analysis were performed by SPSS 21.0. The results of the analysis were summarized as follows. First, the task propensity and ego propensity impacts positively(+) influence on self-talk, control of condition, and imagery and goal orientation, and the ego propensity impacts positively(+) influence on relaxation. Moreover the task propensity impacts positively(+) influence on emotional control. Second, the achievement goal orientation impacts no significantly influence on cognitive state anxiety and somatic state anxiety, but the task propensity and ego propensity impacts positively(+) influence on state confidence. Third, the control of condition and emotional control impacts negatively(-) influence on cognitive state anxiety, and the emotional control impacts negatively(-) influence on somatic state anxiety. Moreover the self-talk, control of condition, imagery and goal orientation, and emotional control positively(+) influence on state confidence. These results mean that improved their sports performance strategies and state confidence through achievement goal orientation of professional golfers, and improving their competitive anxiety through sports performance strategies.
어레이 안테나 장착을 위한 단훈화된 주익 구조의 복합재 모자형 보강재 최적설계
박승현 ( Sung Hyun Park ),김인걸 ( In Gul Kim ),이석제 ( Seok Je Lee ),전우철 ( Oo Chul Jun ) 한국복합재료학회 2012 Composites research Vol.25 No.6
정찰 및 감시를 위한 어레이 안테나가 내장된 날개는 컷아웃이 수반되기 떄문에 구조성능이 저하된다. 본 논문에서는 단순화된 복합재 날개에 어레이 안테나 탑재시 안테나성능 저하와 날개구조 성능 저하를 최소화할 수 있는 복합재 모자형 보강재의 두께에 대해 최적설계를 수행하였다. 최적인 모자형 보강재 형상 선정을 위하여 모자형 보강재의 웹 경사도와 플랜지의 길이에 변화를 주어 상용 유한요소해석 프로그램음 이용하여 구조 해석을 수행하였다. 복합재 모자형 보강재형사에 대하여 응력과 좌굴에 대한 구속조건으로 상용 최적화 프로그램인 VisualDOC와 상용 유한요소해석 프로그램을 이용하여 최적화를 수행하여 보강재의 두께를 절정하였다. The structural performance is degraded in case of embedding the array antenna for reconnaissance and surveillance into the wing skin structures. In this paper, the optimal design for the thickness of composite hat-shaped stiffener which is reinforced embedded array antenna on the simplified composite wing box was conducted. To select the basic shape of hat-shaped stiffener, structural analysis was carry out using the commercial finite element analysis program while changing the web slope and flange length of hat-shaped stiffener. The optimal thickness of the composite hat-shaped stiffeners was determined by using commercial optimization program such as VisualDOC and commercial FEA program with considering stresses and buckling constraints.
초기 성공적인 심폐소생술후 혈청 InterIeukin-6종도의 발현 양상
박승현(Seung Hyun Park),박규남(Kyu Nam Park),이원재(Won Jae Lee),김형국(Hyung Kook Kim),황두영(Du Young Hwang),이환(Hwan Lee),최경호(Kyung Ho Choi),정욱성(Uk Sung Jung),김학주(Hak Ju Kim),김세경(Se Kyung Kim) 대한응급의학회 1998 대한응급의학회지 Vol.9 No.4
Objective: To investgate pattems of serial serum interleukin-6(IL-6) concentrations after initlal successful cardiopul- monary resuscitation, and to access differences in serum IL-6 concentrations in patients with Cerebral Performance Category(CPC, 1-2) and CPC(3-5) at the 5th day after cardiacpulmonary resuscitation(CPR). Methods:We studied prospectively 12 patients with spontaneous circulation after cardiopulmonary resuscitation Venous blood samples were taken 2, 4, 12, 24, 48 and 72 hours after restoration of spontaneous circulation to measure serum IL-6 levels by the enzyme-linked immunosorbent assay. Results:Serum IL-6 concentrations in the severe neurolgically disabled group(CPC, 3-5) were significantly increased at 2, 24 and 48 hours after restoration of spontaneous circulation compared with the less neurolgically disabled group Also, serum IL-6 concentrations in the severe neunlgic disabled group showed dual peak at 4 and 24 hours Conclusion:Our study demonstrates significant increase of serum IL6 in patients with CPC(3-5) after successful car- diopulmonary resuscitation and the significant correlation between early increase of serum IL-6 and poor neurologic outcome It suggests that early increase of serum IL-6 can be used as a prognostic marker after successful cardiopul- monary resusdtation.