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      • 都市主婦의 MAP와 %Fat 調査分析

        李敏炯,蔡鴻遠,金正子 慶北大學校 體育科學硏究所 1991 체육과학연구지 Vol.7 No.-

        The purpose of this study is to analyze a maximal aerobic power(MAP) and % fat of the urban female. The subjects are 73 urban females who were devided into three groups(27 young femeles, 35 middle females, and 11 old age females) I measured Margaria bench stepping, VO_2 max calculated by Margaria's estimation expression, and % fat was calculated by using Nagamine's estimation expresstion. Therefore, The results of this study is to be compared to the cross sectional analysis among three groups. The results are as follows : 1. 「MAP」 Young female groups MAP was 41.4±13.99㎖/㎏·min, middle age females 39.2±13.95㎖/㎏·min, and old age females, 38.2±10.4㎖/㎏·min. This data showed that 3 groups were in fitness. 2. 「% Fat」 %fat in young female groups % fat was 31.4±5.46%, middle age females, 32.5±8.09%, and old age females, 31.3±6.92%. According to the results, 3 groups have no statistical significance(P>.05). These data showed that three groups were over weight(obesity).

      • 펜싱競技의 有效面 攻擊頻度와 有效命中打에 關한 調査分析 : 中等部 flueret를 中心으로 Centering on fleuret game in the Middle School Division

        李敏炯 慶北大學校 1978 論文集 Vol.25-26 No.-

        As a result of a survey and analysis on the attack frequency against the effective spots and effective hits, being conducted for 39 games in the Girls Middle School Division(called GMSD hereunder) and 65 games in the Boys Middle School Division(BMSD), the following conclusions gave been obtained: (1) The attack frequency in the GMSD games appeared predominantly at the low Outside Line and the rate of effective hits was also high at the Low Outside Line. (2) With Tall Fencer Division, most attack frequency and effective hits of tall fencers were found at the Low Outside Line. The attacks of short fencers were predominant at the High Inside Line than at the Low Outside Line. The effective hits were at the High Outside Line than at the High Inside Line and the Low Inside Line. (3) The attack frequency of BMSD was most at the low outside line and the effective hits were also high at the low Outside Line. (4) In the Tall Fencers Division, though there was a difference with the attack frequency between the Low Inside Line and the Low Outside Line, there was no difference observed except that difference. However, generally the effective strikes(hit) were appeared to have no any differences. The short fencers showed much attacks at the Low Outside Line and the effective hits were much higher at the Outside Line than at the High Outside Line and Low Inside Line. (5) As the fencers of GMSD and BMSD are excerting their attacks predominantly at the Low Outside Line, and emphasis should be placed on the techniques of parry7.

      • 身體 柔軟性과 水泳技能과의 相關에 關한 硏究

        李敏炯 慶北大學校 師範大學 1982 體育學會誌 Vol.8 No.-

        The purpose of this study was to find out the effects of physical flexibility on swimming skill Tests of the 43 sophomores of the Department of physical Education and results were as follows. (1) Correlation between Shoulder rotation and Counte strokes were 0.253. (2) Correlation between Shoulder rotation and 25m Time were 0.22. (3) Correlation between Counte strokes and 25m Time were 0.545. (4) Correlation between left ankle flexibility and 25m Flutter kick were 0.0478. (5) Correlation between Right ankle flexibility and 25m Flutter kick were-0.439. (6) Correlation between left ankle flexibility and Right ankle flexibility were 0.239. (7) Correlation between Trunk Extension and 25m Time were-0.05. (8) Correlation between Trunk Flexion and 25m Time were-0.054. (9) Correlation between Trunk Extension and Trunk Flexion were 0.37.

      • 排球競技의 攻擊 種類別 成功率 分析 : 워 얼드 컵 女子大會를 中心으로

        李敏炯 慶北大學校 師範大學 1978 敎育硏究誌 Vol.20 No.-

        The purpose of the study The primary purpose of this study is to investigate frequency of spikes. The secondary purpose of the study is to investigate the successful ratio. The third purpose of the study is to investigate the successful frequency according to the different kinds of spikes. Conclusions The following conclusions were obtained by this study: (1) frequency of spikes were: ^*Korean Team Open spikes 33.0% Blocking 22.6% A Quick 8.9% B Quick 8.1% Back open 6.7% Feint 6.2% ^*Japanese Team Blocking 34.4% Open spikes 21.7% Difference of time 10.0% Back open 7.8% A Quick 6.4% Feint 4.2% ^*Cuba Team Blocking 25.3% Open spikes 22.7% Back open 15.2% Difference of time 8.7% Serve 9.6% ^*China Team Blocking 29.5% Open spikes 24.5% Back open 7.3% Difference of Time 6.7% B Quick 5.8% A Quick 5.4% Serve 4.9% Feint 4.6% (2) The successful ratio were: ^*Korean Team B Quick 77.3% H Quick 66.7% Feint 54.8% Back difference of time 44.4% A Quick 42.6% ^*Japanese Team C Quick 100% D Quick 76.9% Direct 77.8% D Quick 76. 9% A Quick 61.7% ^*Cuba Team A Quick 80.0% Feint 58.6% Difference of time 55.7% Back difference of time 54.5% D Quick 50.0% ^*China Team Feint 61.1% Back difference of time 60.0% Direck 58.8% B Quick 57.8% D Quick 50.0% A Quick 50.0% (3) The successful frequency according to the different kinds of spikes were: ^*Korean Team Open spikes 35.9% A Quick 10.6% Feint 9.4% Difference of time 9.0% Back open 7.8% ^*Japanese Team Open spikes 21.5% Blocking 18.5% Difference of time 11.9% A Quick 10.7% ^*Cuba Team Open spikes 27.4% Back open 18.3% Blocking 13.0% Difference of time 11.9% ^*China Team Open spikes 26.9% Blocking 18.3% B Quick 9.4% A Quick 7.6% Feint 7.9% Back open 6.8%

      • 1998년도 연구개발 활동의 동향과 전망

        이민형,윤문섭,오재건,이재억,송위진,이민형 과학기술정책연구원 1999 정책연구 Vol.- No.-

        1997년말 외환위기 이후 우리 경제 전반에 극심한 변화가 일고 있다. 우리 경제의 금융부문에서 시작된 외환위기는 실물경제에 커다란 파장을 불러왔고 대량실업 사태를 초래하였다. 연구개발부문도 예외가 아니어서 연구개발 활동이 장기적인 성격을 지니고 있다는 특수성을 감안한다해도 상당한 우려가 제기될 정도로 활동이 위축되고 있음이 1998년 가을에 감지되었고, 이에 대한 정확한 실태 파악이 요구되었다. 특히 연구개발 활동에 대한 통계 발표가 기타 경제통계지표처럼 시의성 있게 조사되고 발표되고 있지 않기 때문에 연구 개발부문의 구조조정 현황에 대한 조사의 필요성이 강조되었던 것이다. 이에 부응하여 우리 연구소에서는 산업기술진흥협회와 한국과학재단과 협조하여 국내 연구개발 활동을 수행하고 있는 기업, 정부출연연구소, 대학을 대상으로 하여 연구개발부문의 구조조정 실태 파악을 위한 조사를 실시하였다. 조사에는 설문조사와 병행하여 면담방식을 활용하였으며, 과거 조사자료도 함께 이용하였다. 특히 민간부문과 총량부분에 대해서는 지금까지 시도하지 않았던 nowcasting 기법을 이용하여 1998년도 연구 개발투자에 대한 예측을 실시하였다. 이러한 작업의 목적은 비교적 안정적인 성격을 지니고 있는 연구개발부문이 외환위기라는 전례 없는 상황하에서 급격한 구조조정에 휩싸이게 되어 정확한 실태를 파악함으로써 이에 적절한 정책적 대응을 도모하기 위한 것이다. 이 보고서는 제2장에서 외환위기 이전까지 우리의 연구개발 활동과 연구개발집약도가 높은 지식기반산업에 대한 추이를 살펴보고, 제3장, 4장, 5장에서 각각 민간부문, 정부출연연구소 그리고 대학의 연구개발 활동의 구조조정에 대한 실태조사 결과를 담고 있다. 참고로 이 결과는 1998년 11월에 심포지움을 통해 널리 알려졌다.

      • 光剌戟 시뮬레이터 트레이닝 成果推移

        李敏炯,安禹洪,蔡鴻遠 慶北大學校 體育科學硏究所 1986 체육과학연구지 Vol.2 No.-

        The purpose of this study is to analyze the effects of response time (RT) and the speed of movement(SM) through 「SQT」 Programme by the light-stimulus simulation trainer as the examined in tennis players of KNU. The method of the present investigation was a longitudinal study. During the 5 weeks of experiment period, hard simulator training was regularly reinforced once for 20∼30 minutes a day. The RT and the SM of pre-test group and post-test group were measured after the subjects reposed enough rest. The results obtained are as follows: ⅰ. The RT was reduced as 144msec, 18msec, 60msec(p<.01, p<.001), 108msec, 112msec(p<.01) for pre-test/post-test of SRT and CRT. The difference of RT between the pre-test group and post-test group was statistically significant. ⅱ. The SM was reduce to mean values: ⅰ) The V-SM was reduced 167msec, 208msec, 189msec, 229msec, 226msec, 161msec 210msec 134msec, 114msec, 93msec, 108msec, 43msec, 200msec (p<.01, p<.001) for pre-test/post-test. ⅱ) S-D SM was reduced as 242msec, 220msec, 115msec, 42msec (p<.05, p<.001) for pre-test/post-test. ⅲ) R-D SM was reduced as 252msec, 159msec, 541msec, 499msec (p<.001) for pre-test/post-test. ⅳ) R-D SM was reduced as 325msec, 230msec, 190msec, 257msec, 268msec, 208msec, 670msec, 510msec (p<.001) for pre-test/post-test. The difference of V-Sm, S-D SM, R-D SM, and R-S SM between the post-test group and pre-test group was statistically significant. As mentioned above, a considerable significance is revealed between pre-test group and post-test group, especially an effective difference in comparison with pre-test. Therefore, an execution of intensive light stimuli simulation training program according to 「SQT」 is much desirable for the racket exercise.

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