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롤러 스피드 스케이팅 선수들의 ACTN-3 유전자 다형성에 따른 근기능 및 유·무산소성 능력
변재경,박순희 한국운동생리학회(구 한국운동과학회) 2012 운동과학 Vol.21 No.3
변재경, 박순희. 롤러스피드스케이팅 선수들의 ACTN-3 유전자 다형성에 따른 근기능 및 유·무산소성 능력. 운동과학, 제21권 제3호. 319-330, 2012. 본 연구는 롤러스피드스케이팅 선수의 ACTN-3 유전자 다형성에 따른 근기능 및 무산소성 파워 능력을 규명하기 위해 남·여 우수선수 55명을 대상으로 ACTN-3 유전자 다형성에 대해 PCR을 통해서 RR, RX, XX type을 결정하였다. 피험자들의 등속성 슬관절 근기능은 좌·우측 굴근과 신근의 최대근력(peak torque)과 총운동량(Total work)을 분석하였으며, 유산소성 능력은 Bruce Protocol로 최대운동부하검사를 실시하여 VO2max(최대산소섭취량), HRpeak(최고심박수) AT (무산소성 역치), AT- % VO2max(최대산소섭취량의 백분율)를 분석하였다. 또한 무산소성 파워능력을 비교하기 위하여 Wingate 측정법으로 30초간 측정하여 최대파워(peak power), 평균파워(mean power), 피로지수(fatigue index)를 분석하였다. 롤러스피드 스케이팅 유전자 빈도분포는 단거리 선수들에서 RR형과 RX형의 분포가 높으며 장거리 선수들은 XX형이 다소 높은 경향을 확인 할 수 있다, 또한 무산소성 능력에서는 RR형이 XX형 보다 높고 유산소성 능력은 XX형이 RR형 보다 유의하게 높은 것을 확인 하였다, 따라서 ACTN-3 유전자의 다형 성중 RR형 유전자형은 무산소성 파워능력이 경기력 결정 요인이 되는 운동종목에 유리한 유전자형이고, XX형 유전자형은 유산소성 능력을 발휘해야 하는 종목에 유리한 유전자형이라 판단할 수 있으며 특히 롤러스피드스케이팅 선수들에게 있어서 유·무산소성의 운동수행능력을 예측하는데 적합한 것으로 판단되어진다. Byeon, J. K., Park, S. H. Muscular function, aerobic and anaerobic capacity to ACTN-3 polymorphism of Roller speed skaters. Exercise Science. 21(3): 319-330, 2012. The purpose of this study was to examine muscle function, anaerobic power capacity and aerobic capacity depending on ACTN-3 gene polymorphism of speed roller skaters. RR, RX, and XX types were determined through PCR in 29 male and 26 female elite players. Isokinetic muscular function of the knee joint for sprint and long-distance events was measured by the peak torque and the total work through left and right flexors and extensors, respectively, at 60 °/sec for 5 repetitions and 180 °/sec for 26 repetitions. Anaerobic power capacity, peak power, mean power, and fatigue index were analyzed using the Wingate measurement method over 30 seconds. Aerobic capacity, VO2max, HRpeak, and AT level were analyzed by using Bruce protocol of maximal treadmill test. As a result, this study came to the following findings:sprinters in speed roller skating have a higher RR and RX frequency, whereas long-distance skaters have a higher XX frequency. In addition, RR skaters showed better anaerobic capacity than XX skaters, whereas XX skaters showed better aerobic capacity than RR skaters. Among all ACTN-3 gene polymorphisms, RR genotype is advantageous to sport events in which anaerobic power capacity works as a determinant of performance, while XX genotype is advantageous to sport events in which aerobic capacity is required to improve performance. Therefore, these two types of ACTN-3 gene polymorphism maybe appropriate for forecasting speed roller skaters` aerobic and anaerobic capacity of sport performance.
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조경욱,변재경 忠北大學校師範大學附設 平生體育硏究所 1993 平生體育硏究所 論文集 Vol.6 No.-
The purpose of this study was to investigate the effects of having light weights on cardiovascular function during aerobic dancing. Subjects were 4 men and 8 women ages of 20~38 years. The subjects danced Dance I and Dance II in two different conditions; ①dance without weight(normal condition), and ②dance having light weights on hands. The weight was 23.5cm in length and 4cm in diameter and 0.75~2.0kg weight for men and 0.55~1.0kg weight for women. Heart Rates and Oxygen Intake during dancing were meaured in both conditions. ECG was recorded during dancing by means of telemetory systems. Expired gas was collected into Douglas Bag at the time of 5~6min, during dancing. Oxygen intake was obtained from gas analysis. In Dance I, mean values of heart rates were 130.9±16.5bpm and 130.0±14.7 bpm for men with and without weights, respectively, and 132.3±24.4bpm and 132.6±26.7bpm for women with and without weights. In Dance II, heart rates were 134.2±16.6bpm and 123.8±12.1bpm for mens with and with and without weights, respectively, and were 129.7±16.6 bpm and 129.2±16.3bpm for women. Oxygen intake in Dance I was 29.2 and 25.0ml/kg/min for men and 26.4 and 28.3ml/kg/min for women with and without weights, respectively. In the individual data, well-trained men indancing showed higher values in heart rates and oxygen intake when they danced having light weights on their hands. The effects of having weights was not clear for women. It is supposed that the moevement of women become smaller when they had weights on both hands. Therefore, when we expect the further effects of having light weights in aerobic dancing, new style of movement and adequate rhythm of music shold be designed for the usage of light weights.
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卞在京 忠北大學校 平生體育硏究所 1990 平生體育硏究所 論文集 Vol.4 No.-
Dance has no established system of notation like music and drama. In can be, therefore, said dance is the art which has no possibility of remaining as a work. On the other hand, it is true that the works of dance with special titles created by special choreographers have been produced as dance has established its position as a performing aat. In the works, the same form of work is repeated in spite of formal and qualitive multiplicity of performance. accordingly, notion of work in dance is used without close examination though it is self-evident. This study aims at in vestigating notions of work in dance with a special reference to formalism of Anderson, materialism of Margolis and dual structure of Cohen.
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卞在京 韓國舞踊敎育學會 1996 韓國舞踊敎育學會誌 Vol.6 No.-
In order to investigate some basic movements in dancing, 1) sideward running, 2) wave movement and 3) pose expression have been analyzed on 8 trained and 10 untrained female college students by using photographic procedure. The results were as follows. 1. The vertical shift of the body during sideward running was appreciably less in the trained subjects. This was found to be due to (1) shock -absorbing action by lower limbs taking place at the instance of foot - contact with the floor, (2) small elevation of hip during the second half period of foot - contact, suggesting hopping action to be weak, and (3) maintenance of the degree of trunk flexion with small swing action of the trunk. 2. The wave movement of the arms and trunk were wave more like (or whip - like) in the trained than the untrained subjects. This was found to be because (1) arm movements were always preceded by shoulder movements, and (2) in arm action, the movement of hand was preceded by that of forearm, and likewise the movement of forearm by that of upper arm, i.e., phase - shift of the movements /of limb segments. 3. In the 10 poses expressed successively, the trained subjects have shown to occupy larger space with longer distance than the untrained. This seems to be due to (1) much variation of the arm movements from one to the other, and (2) large amplitude of shoulder and hip. However, in the arm movements relative to shoulder, no considerable difference was observed between the trained and the untrained subjects.
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