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안완식 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.4
This study aims to provide kinematic-Lased data to improve the performance of athletes, by analyzing the characteristics of the snatch technique between skilled athletes and non-athletic people, using the three-dimensional imaging of the snatch weight lifting. Three middle school students and three high school students, considered capable of performing a snatch lift were selected at random. To prevent injury, the students were directed to perform only 90% of maximum ability for the snatch lift. Ariel Performance Analysis System (APAS) was used for analysis to identify the difference between athletes and non-athletic students through two digital video cameras. The results are as follow, 1. In terms of the time factor, the non-athletic students performed a bit faster in terms of the average time spent. However, the athletes performed correctly, by lifting the barbell up vertically and shifting the body's center from front and back fast, While balancing the weight center or the barbell and the body's center, the athletes pulled up their lower parts of the body. 2. Regarding the factor of the central point, the athletes were found to increase technical, by reducing the front and back movements of the hip joints, with an increasing height of the body's center and the barbell, and using the rotational inertia, 3. In terms of the angle factor, noticeable change in the angles of the root and knee joints showed that these joints were mainly used during preparation. By bending the body and the knee and hip joints in the lower parts of the body, and pulling up the barbell, the athletes showed a stable posture in preparing the next movement, whereas the non-athletic students didn't take advantage of the momentary power effectively, using the shoulder and knee joints, because their foot and knee joints were beaded and extended out of balance. 4. Regarding the angle-speed factor, it is proven to be efficient that the athletes are to use the power properly with the division between left and right balancing the vertical speed of the barbell, while bending and extending their knee and hip joints in a fast way.
사회적 거리두기 해제를 통한 생활체육광장 체조교실 재 참여자들의 향유신념이 심리적 안녕 감에 미치는 영향 - 운동참여만족의 매개효과
안완식 한국스포츠학회 2022 한국스포츠학회지 Vol.20 No.3
To verify this, the results of the verification of 273 people who were participating in the square gymnastics program of sports-for-all before social distancing, and who are currently re-participating in the square gymnastics program after the lifting of social distancing are as follows. First, it was found that the savoring beliefs through the lifting of social distancing of re-participants in the square gymnastics program had a direct positive effect on psychological well-being. Second, it was found that exercise participation satisfaction indirectly had a positive effect on the effect of savoring beliefs on psychological well-being. This result means that the higher the level of the re-participants' savoring beliefs, the higher the level of psychological well-being, and the higher the level of satisfaction with sports participation, and through this, the higher the level of psychological well-being. As a result, there is a possibility that various global infectious diseases will occur in the future, and if the square gymnastics program is not operated due to restrictions on exercise due to social distancing, the level of savoring beliefs related to sports-for-all may be lowered. Therefore, in preparation for this, it is necessary to develop efficient contents that can combine face-to-face and non-face-to-face programs in the square gymnastics program. 이 연구는 사회적 거리두기 해제를 통한 생활체육광장 체조교실 재 참여자들의 향유신념과 심리적 안녕 감 간의 관계에서 운동참여만족의 매개효과를 확인하고자 하였다. 이를 검증하기 위해 사회적 거리두기 이전에 생활체육광장 체조교실에 참여하고 있었으며, 사회적 거리두기 해제 이후, 현재, 생활체육광장 체조교실에 재참여하고 있는 273명을 대상으로 검증한 결과는 다음과 같다. 첫째, 생활체육광장 체조교실 재 참여자들의 사회적 거리두기 해제를 통한 향유신념은 심리적 안녕 감에 직접적으로 정적 영향을 미치는 것으로 나타났다. 둘째, 향유신념이 심리적 안녕 감에 미치는 영향에서 운동참여만족은 간접적으로 정적 영향을 미치는 것으로 나타나 향유신념 수준이 높을수록 심리적 안녕 감 수준이 높으며, 운동참여만족도 수준이 높아지고 이를 통해 심리적 안녕 감 수준이 제고된다는 것을 의미하는 것이다. 이에 향후, 세계적인 각종 전염병이 발생할 가능성이 없지 않으며, 이를 통해 사회적 거리두기로 인한 운동제약이 발생하여 생활체육광장 체조교실이 운영되지 않을 경우, 대면 상황에서 생활체육을 경험하지 못하게 됨으로써 생활체육과 관련된 향유신념 수준이 저하될 수 있기에 이를 대비한 생활체육광장 체조교실의 대면과 비대면 프로그램을 병행할 수 있는 효율적인 콘텐츠 개발이 필요할 것으로 판단된다.
안완식 한국지식정보기술학회 2018 한국지식정보기술학회 논문지 Vol.13 No.5
Many phenomenons and systems in real world can be adapted their behavior in reaction to a given usage situation, and using the possibilities of sensors. We are surrounded with a hugh number of communicating and interacting things. Such a system is characterized by being distributed with a smart device or component from a large class. In addition, many cellular phone applications are able to provide a context-aware behavior, in which expose more flexible service and conventional software APP. However, by changing conditions on the dynamic environment act in an undesire behavior on their system. And also, by the undesirable behavior, web services such as power cells and embedded systems can be rely on their resources. Moreover, It can also be caused by the failure of certain resources or nodes in their system that provide to the quality of service and accuracy. After all, Adaptive systems typically use information about their system environment to adapt themselves to certain usage situations. Accordingly, this paper is required newly design methodology for Self-Adaptive with enable to a various systems. For this reason, we design formal description exploration model-based architecture. Especially, we present to optimization with synthesizing and optimizing system level for self-adaptive system, as well as propose Formal specification method for designing self-adaptive system. Futhermore, we show a classification of big data with methodological approach, and provide useful implications with their formation and evolution method.