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조철훈(Chul Hun Cho),박현경(Hyun Kyung Park) 한국사회체육학회 2009 한국사회체육학회지 Vol.0 No.38
The study was performed to compare the effect of difference types of exercise on physical fitness and balancing ability older women. 23 women volunteered to participate in the study. Participants were divided to three groups by exercise program(Resistance n=8, Aerobic n=8, control n=8). Exercise was performed 3times per week for 8 weeks The data was analyzed by one-way ANOVA, and the significance level was set at the p<.05. The results of the study were as follows. 30-second chair stand was significantly increased in resistance exercise(p<.000), and aerobic exercise(p.000). 2-minute step was increased with significance in resistance exercise(p<.001), and aerobic exercise(p.006). Chair sit-and-reach was increased in resistance exercise(p<.000), and aerobic exercise(p.000). Back scratch increased only resistance exercise(p<.015). Balancing ability, stability and sensorimotor significantly increased only in aerobic exercise (p<.021, p<.003).
장애우 요트 선수들의 요트 수련이 신체적 자기개념에 미치는 영향
조철훈(Cho Chul Hun),Cao Teng,황주용(Hwang, Ju-Young),신종근(Shin, Joung-Kun),이방일(Lee bang il),박재연(Park Jae Yeon) 한국전시산업융합연구원 2013 한국과학예술융합학회 Vol.14 No.-
한국에서 장애인 요트 선수들의 사회적 심리적 측면의 효과를 검증하고자 장애우 들의 요트 수련을 기준으로 하여 장애우 선수들의 신체적 자기개념에 미치는 영향들을 살펴보고자 한다. 또한 국내의 실정에 맞는 객관적이고 공신력 있는 장애우 요트교육·평가 자료를 개발하는데 기초자료를 제시하고자 한다. 연구의 결과는 다음과 같다. 1. 장애우의 요트수련 정도에 따른 신체적 자기개념분석 1) 장애우의 요트수련기간에 따른 신체적 자기개념 분석은 신체활동과 자기존중에서 통계적으로 유의한 차이가 있는 것으로 나타났다. 2) 장애우의 요트수련 빈도에 따른 신체적 자기개념 분석은 외모 및 신체전반과 체지방에서 통계적으로 유의한 차이가 있는 것으로 나타났다. 3) 장애우의 요트수련 시간에 따른 신체적 자기개념 분석은 스포츠 유능감, 건강, 신체활동, 자기존중에서 통계적으로 유의한 차이가 있는 것으로 나타났다. 2. 장애우의 배경변인에 따른 신체적 자기개념분석 1) 장애우의 연령에 따른 신체적 자기개념분석은 스포츠 유능감과 신체활동에서 통계적으로 유의한 차이가 있는 것으로 나타났다. 2) 장애우의 직업유무에 따른 신체적 자기개념분석은 모든 요인에서 통계적으로 유의한 차이가 없는 것으로 나타났다. The study aims to prove social and psychological effects of the disabled yachtsmen in Korea by looking into how yachts training of the disabled yachtsmen would affect the physical self-concept of the disabled yachtsmen. Add to this, the study also established a second goal that the results of the study should be used as basic data to develop the disabled yachtsmen’s training·evaluation data that would be considered both objective and publicly-confident at the same time. The results of the study are presented as follows. 1. Analysis on the disabled’s physical self-concept depending on the level of yacht training 1) The analysis on the disabled’s physical self-concept by the yacht training period was found to have significant differences with the physical activities and self-respect. 2) The analysis on the disabled’s physical self-concept by the yacht training frequency was observed to have signifiant differences with the appearance, whole body image and body fat. 3) The analysis on the disabled’s physical self-concept by the yacht training hour was understood to have statically significant differences with sports competentness, health, physical activities and self-respect. 2. Analysis on the disabled’s physical self-concept depending on the background variables 1) The analysis on the disabled’s physical self-concept by age was found to have significant differences with the sports competentness and physical activities. 2) The analysis on the disabled’s physical self-concept by occupational status was understood to have no statically significant differences with any of the factors.
중학교 공기소총 사격선수의 12주간 호흡훈련에 따른 조준지속력과 득점에 관한 연구
조철훈(Cho Chul Hun),박지영(Park Ji Young),박세익(Park Se ik),박동숙(Park Dong Sook) 세계태권도문화학회 2012 세계태권도문화학회지 Vol.- No.4
This study is intended to provide basic data of the shoot instruction through breath drills by analyzing the effect of the breath drills for 12 weeks on the aim sustaining strength with a coaching machine (SCATT) developed as electronic system after modifying and complementing the breath drill program suitably for this study on the recognition of the importance of breath for shooters of a middle school, and the results of experiment and analysis for improving the athletic performance of shooters are as follows: As for the technical variable characteristics for the air pistol shooters of the middle school through the breath drills for 12 weeks, the total score of 9 shooters except for a person (HBS) was higher after the breath drill than before the breath drill, showing significant difference in scores. The aim time of shooters except for a person (KMY) was shorter after the breath drill than before the breath drill, showing significant difference in scores. The possibility (P10.0) of staying at 10.0 as technical variable characteristics for 10 shooters more increased after the breath drill than before the breath drill, showing significant difference in scores. The possibility (P10.5) of staying at 10.5 for 9 shooters except for a person (KWS) more increased after the breath drill than before the breath drill, showing significant difference in scores. The whole length of the moved aiming point was more reduced after the breath drill than before the breath drill, showing significant difference in scores. The difference of the aiming point was more reduced after the breath drill than before the breath drill, showing significant difference in scores. In the comparison by scoring level of technical variances, all variables such as the percentage rate (SP10.0) of the sustaining time stopping in a circle of 10.0 point after breath drills, the percentage rate (SP10.5) of the sustaining time stopping in a circle of 10.5 point after breath drills, the movement distance of the aiming point and the outburst were the highest for high scores (10.6~10.9 point). In addition, for the middle scores (10.2~10.5 point) and the low scores (below 10.1 point) groups, the outburst time appeared lengthily. As the result of performing the One-Way ANOVA analysis to review the effect of interaction of every technical variable for the scoring by scoring level of shooters after the breath drills, all variables showed significant difference from scores between groups. The analysis of simple relationship coefficients between scores and technical variable showed significant difference (**: P<.01) except for HBS and LJM of male air riffle shooters of the middle school after the breath drills for 12 weeks. The analysis of simple relationship coefficients between scores and technical variable showed significant difference (**: P<.01) except for KMY of female air riffle shooters of the middle school after the breath drills for 12 weeks.
훈련프로그램에 따른 태권도 스텝 후 돌려차기 동작의 운동역학적 분석
조철훈(Cho Chul Hun),최철영(Choi Chul Young),이충영(Lee cheong young),박명수(Park myung su) 세계태권도문화학회 2011 세계태권도문화학회지 Vol.- No.2
The purpose of this study is to analyze the characteristics of the spin kick moves in Taekwondo and provide necessary information to the university athletes in correcting their moves. It is also a goal of this study to quantify the forms of the kicks in training to maximize the efficiency. Four national varsity players of Taekwondo and four beginners with no award histories from K Univ. were given 6 weeks of training and motor mechanic analysis have been performed with the spin kicks. The conclusions of this study are as follows. 1. The total elapsed time of performing a spin kick move in each group differed significantly. The beginner group's elapsed time for a spin kick was an average of 0.415±0.158, while the national varsity group's spin kick took only 0.283±0.044. Therefore, the national varsity group turned out to show much more speed in spin kicks. Also, the procedures within individual moves of the varsity group appeared to shorten the entire elapsed time of a move compared to those of the beginner group. 2. In performing Step-and-Spin kicks, the two groups showed significant differences in the angles of joints such as the coxa, knee, and ankle. In case of the beginners, they failed to reduce the angle of the coxa joints, and the knee joint were not fully stretched out in the associated movement of Step-and-Spin kicks. Also at the impact, the dorsification of the ankle joint denied that accurate hits on the desired positions. But, as the training went on, the beginners showed improvements in narrowing down the angles. 3. The angular velocity of the coxa joints in both groups while performing a Step-and-Spin kick move, the angular velocities of each joint turned out to be rather higher. Such an outcome with the beginner group might be due to the lack of practices and thereby failure in controlling effective distances while associating each phase of the Step-and-Spin kick. 4. The surface recoil of the beginner group appeared to increase in its value as the training progressed in comparison with the national varsity group. Such a result was found to allow bigger motions when stamping, adding to the force directed upward from the ground. It can contribute to make faster and wider expansion angle movement. 5. In this study, while the Step phase in a Step-and-Spin kick is a precedent but a very important movement before the spin kick is performed, the beginners were found to fail in utilizing this phase efficiently due to lack of techniques.