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중국 태권도선수의 시각에서 바라본 새 품새 경기대회의 특징과 발전방향
황명성,유정애 중앙대학교 학교체육연구소 2022 Asian Journal of Physical Education of Sport Scien Vol.10 No.5
China is one of the representative countries that has recently invested in Taekwondo. Also Chinese Taekwondo teams have achieved significant successes in Poomsae competition such as the World Taekwondo Competition and Summer Universiade. The purpose of this study is to explore the characteristics and developing directions of New-Poomsae competition established at the 2018 Jakarta-Palembang Asian Games, from the perspectives of Chinese Taekwondo players. Four China players were selected and interviewed in depth. After that, the collected data were analyzed using inductive category analysis. Thus, the study has explored three characteristics such as increasing expression of action skills, existing irregularity of Poomsae line, and possessing interests of spectators and suggested four futuristic tasks such as increasing of game time, reinforcing fitness training, much efforts on sustainability for game watching, and finding players and coaches. 중국은 최근 태권도에 많은 투자를 하고 있는 대표적인 국가 중 하나이고, 중국 태권도팀은 세계태권도대회, 하계유니버시아드대회 등 품새대회에서 큰 성과를 거두고 있다 본 연구의 목적은 2018 자카르타-팔렘방 아시 안게임을 계기로 신설된 새품새 대회의 특징과 발전 방향을 중국 태권도 선수들의 관점에서 분석하는데 있다. 본 연구에서는 4명의 중국 태권도 선수를 선정하여 심층 인터뷰를 진행하였고, 수집된 데이터는 귀납적 범주 분석을 사용하여 분석되었다. 그 결과, 본 연구에서는 태권도 액션 스킬의 표현력 증가, 품새선의 불규칙성 존 재, 관객의 관심 보유라는 3가지 특징을 탐색하였고, 새품새 경기시간의 증대, 새품새를 위한 체력단련 강화, 새 품새 대회 관람의 지속가능성 노력, 새 품새 선수와 지도자 발굴이라는 4가지 발전 방향을 제시하였다.
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중국 하계 유니버시아드 국가대표 품새 선수의 대회 경기력 약화 요인 탐색
황명성(Huang, Ming Shenga),백승현(Baek, Seung-Hyun),유정애(You, JeongAe) 세계태권도문화학회 2021 세계태권도문화학회지 Vol.12 No.3
To date, Poomsae competitiveness of Chinese national university team was being high, but it was recently low. Thus, the purpose of this study is to explore the factors that have been declined the Chinese national athletes performance in Poomsae competition for summer Universiade. To this end, a total of four national athletes and one national coach from Chinese university students who participated in the 30th Summer Universiade were selected and interviewed. The interviewed data were analyzed using inductive method and checked data trustworthiness using peer debriefing and member checking. Finally, three weakening factors of university athletes’ performance in Chinese national team were addressed such as (a) lack of trend analysis on changed skills in poomsae competition, (b) no chance of free poomsae competition and lack of selection process for talented athletes, and (c) lack of systematic training program for free poomase competition.
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개의 신장기능에 미치는 Bromocriptine의 영향
高錫太,黃明性 조선대학교 약학연구소 1995 藥學硏究誌 Vol.17 No.1
Bromocriptine(BRC), which is a relatively specific agonist of D_2-receptor and antagonist of D_1-receptor in central dopamine receptor, when given intravenously in dog, elicited diuretic action. At the same time, glomerular filtration rates(GFR) and filtration fractions(FF) were increased, and then amounts of sodium and potassium excreted in urine, osmolar clearance (Cosm) and free water clearance(??) were augmented, but reabsorption rates of sodium and potassium in renal tubules were not changed at all. BRC, when infused into a renal artery, did not affect on renal function of both infused and control kidney. BRC infused into a renal artery did not influence on the renal action of intravenous dopamine. Above results suggest that intravenous BRC produces diuretic action caused by indirect changes of renal hemodynamic states and BRC is not antagonist of D_1-receptor in kidney of dog.
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Dopamine D2 Receptor효능제인 TNPA의 신장작용
고석태(Suk-Tai Ko),황명성(Myung-Sung Hwang) 대한약학회 2001 약학회지 Vol.45 No.2
The dopaminergic receptors were considered of two distinct subtypes, D1 and D2, each having different fuction. The present study was attempted to investigate the effects of R(-)-2,10,11-trihydroxy-N-n-propylnoraphine(TNPA), a dopamine D2 against, on renal function in dog. TNPA decrease in osmolar clearance(Cosm) and urinary excretion of sodium and potassium(ENa and EK. It also increased reabsorption rates of sodium and potassium in renal tubules(RNa, RK) without any changes in glomerular filtration rate(GFR), renal plasma flow(RPF) and free water clearance(CH2O). TNPA(0.5~1.5 mcg/kg/min) infused into a renal artery decrease urine flow both in the experimental and control kidneys. TNPA(1.5-5.0mcg/kg) administered via the carotid artery also greately exhibitied antidiuresis even at intraveously ineffective doses. Changes of renal function by TNPA given into both renal artery and the carotid artery were almost the same aspect to those induced by intraveonous TNPA. These results obtained from the present study suggest that TNPA produces antidiuresis by increasing the reabsorption rates of electrolytes ub renal tubules, mainly distal tubule, through changing of central fuction.
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Dopamine D2 Receptor 효능제인 TNPA의 중추적 항이뇨작용 기전
고석태(Suk Tai Ko),황명성(Myung Sung Hwang) 대한약학회 2001 약학회지 Vol.45 No.4
It has been demonstrated previously that R(-)-2,10,11-trihydroxy-N-n-propylnora porphine (TNPA), a dopamine D2 receptor agonist, produced the antidiuresis through changes of central function in dog. This study was investigated about effects of renal denervation and raclopride, a dopamine D2 receptor antagonist, on the antidiuresis of TNPA in order to elicidate the mechanism involved in this central anticiuresis induced by TNPA. Antidiresis exhibited by mPh given into the vein or into carotid artery was not influenced by renal denervation, whereas antidiuresis of TNPA administered into carotid artery was blocked almost perfectly by raclopride pretreated into carotid artery: From these observations it is concluded that central antidiuresis induced by TNPA is brought about through activation of dopamine D2 recap- tor localized in brain, not related to renal nerve activity.
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니트릭옥사이드의 합성 억제제인 NG-니트로-L-아르기닌의 신장작용
고석태(Suk Tai Ko),유강준(Kang Jun Yu),황명성(Myung Sung Hwang) 大韓藥學會 1998 약학회지 Vol.42 No.5
This study was performed in order to investigate the effect of renal function of NG-nitro-L-arginine (L-NOARG), inhibitor of nitric oxide (NO) synthase, in dog and rabbit. L-NOARG, when given intravenously in dogs, exhibited the decrease in urine flow (vol), renal plasma flow (RPF), osmolar clearance (Cosm) and amounts of sodium and potassium excreted in urine(ENa, EK). These renal functions of L-NOARG showed the same aspect in rabbit, too. L-NOARG, when administered into a renal artery, showed the same pattern as was obtained when given intravenously in both experimental and control kidney in dog. L-NOARG administered into the carotid artery showed the decrease in Vol, RPF, ENa, in a low doses that did not show any effect when given intravenously. Above results suggest that L-NOARG produces antidiuretic action in dog and rabbit, and these antidiuretic actions may be mediated by central action.
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