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댄스스포츠 선수의 고강도 트레이닝 후의 골격근 완충 능력과 지구적 성과 분석
문행자 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.6
The main purpose of this treatise is to discover whether or not there was any improvement in skeletal buffet effect, activation of enzyme or any improvement in outcome after taping HIT of maximum intensity for woman dance sports athletes who already possess persistent strength The result of this study demonstrated that B times of HIT adopted for training of 28 days produced significant improvement in buffer effect of skeletal muscle, peak power, highly intensive training persisting time and 40km time trial. On the other hand no significant change was confirmed with activation of enzyme. It is believed that ability to buffer hydrogen in is related to dance and sprint type exercise entailing excessive storage of hydrogen ion storage. It is also believed in general that those who are training in dance and sprint have higher Ievel of buffer effect of skeletal muscle than ordinary people. But reportedly no change in buffer effect was identified from the result of carrying out supramaxial exercise (exercise which is more than level of exercise which is realizable at the time of having maximum oxygen absorption). The subjects of this study were well trained dance sports athletes and interrelationship has been confirmed. Such fact suggests that effect of improving result may be engendered for those who are well trained and show high level in maximum oxygen absorption. This author investigated oxygen density in blood of the subjects mentioned above during 40km time trial and could find out it was 6-8mmol/ℓ. Like this reportedly when oxygen density in blood was high then hydrogen Ion was produced causing decline of pH in blood leading to decline in contractility of skeletal muscle, Through this study this author could confirm that HIT brought about improvement in buffer effect and it discouraged decline of pH in muscle or in blood and engendered significant improvement in the outcome of time trial. Furthermore buffer effect of skeletal muscle was higher with Type Ⅱ athletes rather than Type Ⅰ athletes. Accordingly it is supposed that Type Ⅱ athlete was more well adjusted to training rather than Type Ⅰ athlete in connection with HIT of this study. In the HIT on the untrained subject it was reported that there was significant improvement in PFK, lactate dehydrogenase and activation of oxidized enzyme. However in this treatise where trained athletes were subjects of the study there was no statistical significance although there was some increase in PFK and HK without any change in CS and 3-HAD. Also it was reported that for the trained athletes no effect of lactate dehydrogenase could be confirmed. In this study no change was found also with CS, which is oxidization enzyme of muscle, by HIT. In preceding studies where trained people were used as subjects of such studies same kind of results were reported, from such result it le suggested that skeletal rruascle"s adaptation to activation of enzyme through training was influenced by level of drilling prior to training. From the above mentioned fact it was suggested that effect of improvement in result by HIT for well trained athletes was engendered by improvement in buffer effect rather than activation of enzyme of skeletal muscle.
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문행자 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.6
Since the themes of dance sports take up various subjects ranging from the concrete to the abstract, it is quite difficult for instructors to grasp the images that learners have in mind just by observing the movements expressed by learners. That's why instructors tend to relate the learners' movements to the images which the instructors have in mind when they observe the learners' movement, In this study, we researched ways to confirm the sequencing of the internal thought processes in learning as they are preparing to initiate a particular dance sports movement, In other words, we looked at ways to accurately evaluate a dance sports athlete's mental state from the movement of first visualizing a particular movement through to when they actually perform that movement. With this goal in mind, we chose to study athletes learning the "flapping of a big-sized bird" theme, since the mechanisms of this dance sports movement can be comparatively easily grasped and its motions duplicated even by beginning dance sports athletes. As a hypothesis, we producted a model explaining the sequencing of this thought process, diving it into three forms or kinds of images : (1) the imaging of a flapping bird, (2) the imagining of becoming a flapping bird, (3) the imagining of expressing this in dance sports movement. For this study, we did pre-tests on unexperienced primary school students, junior high school students, university students and experienced dance sports athletes. (1) We have to show the flapping movements of at least 4 kinds of flying movements of birds through TV screens in order to assume our ability to identify the flapping of the bird which the subjects have pictured in their minds. (2) We must have a check list to replaced the flapping movements of a bird with human movements and check by TV screens when we want to identify the imagining of expressing dance sports movement. We conclude that instructors can confirm and share what the subjects have picture in their minds by making subjects choose what they imagined from among images showed on the TV screens.
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문행자 ( Haeng Ja Moon ) 한국스포츠리서치 2007 한국 스포츠 리서치 Vol.18 No.4
The purpose of this study was to analyze quantitatively the effect of university students` attending aerobics class on leisure activity. Using the purposeful sampling method, a selection was made of 69 students enrolled in aerobics class in Kuniversity in Seoul. This study employed research instruments such as self-report, narrative observation, focus group in-depth interview. An attempt was made to conduct an inductive categorical analysis of the contents experienced by the participants in aerobics class. cognitive experiences were categorized into three domains such as the self-esteem, enjoyment, consciousness. Because university students recognize the importance of aerobics as leisure by the participation in aerobics classclass.
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