Journal of the Korea Academia-Industrial cooperation Society
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v.13
no.3
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pp.1238-1245
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2012
The main purpose of this study was to identify the current awareness and preference on the promotions of products in Korean professional baseball teams. For this study, the subjects were randomly selected where they have experienced purchasing any products in the Korean professional baseball stadium. Totally, 520 subjects were asked to answer the questionnaire relevant to the current awareness and preference of promotion of products. There were 11 questions for the current awareness and 14 questions for the preference on the promotion of products. The data gathered was determined within a frequency analysis, an independent sample T-test and one-way ANOVA tests. The results were discussed when the p-value were lest than .05. There were a couple of results found throughout this study. Firstly, there were no significant differences of the current awareness between gender. Secondly, there were significant differences of the preference on the promotion between age(p<.05). Especially, there were significant differences on the value of products and price between 20's, 30's and 40's groups. Thirdly, there were significant differences of the preference on the promotion between level of earing per year statistically(p<.05). In addition, there were significant differences on the price of products between 2000-2500 million won, 2500-3000 million won and 4000 million won groups. Consequently, the product promotion by the Korean professional baseball teams has to be more variety and structured.
Purpose: To evaluate the aspect of occurrence and transition of the elbow injuries in baseball players from childhood to adult. Materials and Methods: We had a survey and took the simple X-ray from the anteroposterior view and the lateral view of both elbows for subjects of total 320 baseball players. - each of 80 players in elementary school, middle school, high school, and professional baseball players between January and December in 2004. Results: The region of pain and the bony changes in elbow were the most frequent in medial side from all the groups of players. Especially, hypertrophy of medial epicondyle were the most numerous. As baseball players got older, the radiological changes of elbow were increased. The bony changes were found out 52 cases (65%) of the elementary school players, 66 cases (82%) of the middle school players, 68 cases (85%) of the high school players and 70 cases (88%) of the professional players out of the total 320 baseball players. Conclusion: The bony changes of the elbow in baseball players got frequent as they were getting older and increased in comparison with past.
The purpose of this study was to explore college students' subjective perception on physical education using Q-methodology. Thirty college students participated in this study. This study found four types of college students' perception for physical education. Type I is named 'the type of Emphasizing Expertise.' The subjects of type I emphasize the importance of practicing professional motor skills and basic physical education knowledge in physical education classes. Type II is named 'the type of Emphasizing Instructional Strategy.' The subjects of type II emphasize the importance of developing effective teaching methods for students to participate actively. Type III is named 'the type of Making Physical Education Mandatory.' The subjects of type III emphasize the needing to make physical education and to increase physical education classes in school. Type IV is named 'the type of Emphasizing Sports for All.' The subjects of type IV emphasize to improve students' fitness and social-skill and connect between physical education and sports for all. These findings will contribute to plan the effective school curriculum.
The purpose of this research is to present an opinion on the development of a systematic program for the training of talented students at domestic universities for overseas employment, effective usage of overseas field practice and internship, and the importance of the programs that can provide prepared future Taekwondo professional with the opportunities to be successfully employed by desired overseas institutes worldwide. The objects of research were 15 persons who experienced overseas internship. The results of the research obtained through in-depth interviews were; firstly, the merits and demerits of internship; secondly, the changes made after experiencing internship; and thirdly, what they want to say to their juniors who are preparing for internship.
Objective: The purpose of this study was to investigate differences of shock attenuation strategies between double-leg and single-leg landing on sagittal plane using statistical parametric mapping. Method: Nine healthy female professional soccer players (age: 24.0±2.5 yrs, height: 164.9±3.3 cm, weight: 55.7±6.6 kg, career: 11.2±1.4 yrs) were participated in this study. The subjects performed 10 times of double-leg and single-leg landing from the box of 30 cm height onto force plates respectively. The ground reaction force, angle, moment, angular velocity, and power of the ankle, knee, and hip joint on sagittal plane was calculated from initial contact to maximum knee flexion during landing phase. Statistical parametric mapping was used to compare the biomechanical variables of double-leg and single-leg landing of the dominant leg throughout the landing phase. Each mean difference of variables was analyzed using a paired t-test and alpha level was set to 0.05. Results: For the biomechanical variables, significantly increased vertical ground reaction force, plantarflexion moment of the ankle joint, negative ankle joint power and extension moment of the hip joint were found in single-leg landing compared to double-leg landing (p<.05). In addition, the flexion angle and angular velocity of the knee and hip joint in double-leg landing were observed significantly greater than single-leg landing, respectively (p<.05). Conclusion: These findings suggested that negative joint power and plantarflexion moment of the ankle joint can contribute to shock absorption during single-leg landing and may be the factors for preventing the musculoskeletal injuries of the lower extremity by an external force.
Journal of the Korea Society of Computer and Information
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v.27
no.3
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pp.239-249
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2022
This study aims to analyze and compare the activating factors of domestic and overseas scuba diving resorts. Our delphi survey was conducted three times in 30 experts who involved in operation and management including scuba diving resort management representative and training team leader. As a result of comparing the activating factors at domestic versus overseas, it was found that common important activating factors included expansion of convenient facilities at public diving places, installation of safety and medical facilities for divers, development of first aid system including AED and oxygen ventilator, requirement of convenient facilities such as water lift and toilet in diving boat, installation of diving boat screw safety system, local boat operation guideline, regular course training program for scuba diving, employment of professional scuba diving instructor and guide, communication and promotion through various SNS portals, promotion by divers' word of mouth, involvement in regional Diving Resort Association, involvement in Korean Diving Association, communication and mutual benefit with local fishing villages, and linkage policy with local tourism industry.
BACKGROUND/OBJECTIVES: Mediterranean diet is an environmentally friendly and healthy diet model. The diet offers many vegetables, fruits, nuts, and olive oil to consumers. In addition, it provides moderate amounts of fish and chicken, smaller quantities of dairy products, red meat, and processed meat. The Mediterranean diet has a high anti-inflammatory and antioxidant content, and it causes many physiological changes that can provide a physical performance advantage. This study examined the effects of a 15-day menu, which was planned using foods with a low acid load within the Mediterranean diet rules, on the exercise performance, lactate elimination, anthropometric measurements, and body composition. SUBJECTS/METHODS: Fifteen professional male athletes between the ages of 13 and 18, who were engaged in ski running, were included in the experimental study. Dietary intervention was applied for 15 days. The athlete performances were evaluated by applying the vertical jump test, hand grip strength, 20 meters shuttle run test, and Borg fatigue scale. After the shuttle run test (every 3 min for 30 min), blood was drawn from the finger, and the lactate elimination time was calculated. Performance and lactate measurements, body analysis, and anthropometric measurements were taken before and after dietary intervention. RESULTS: The vertical jump height and hand grip strength increased after the intervention (P < 0.05). The test duration, total distance, the number of shuttles, and maximum oxygen consumption parameters of the shuttle run test increased (P < 0.05). After the intervention, the athletes' perceived fatigue scores decreased in several stages of the shuttle run test (P < 0.05). The lactate elimination time and athlete's body composition were similar in repeated measurements (P > 0.05). In the last measurements, the upper middle arm circumference decreased while the height of the athletes increased (P < 0.05). CONCLUSIONS: These results show that the Mediterranean diet is a safe and feasible dietary approach for aerobic performance and strength increase.
Objectives: We did research in the cause of the Pitchers' injury and their recovery process to make a detailed injury list for the purpose of finding the cause of the Korean professional pitchers' injury and its classification. We drew the conclusion through the results as following. Methods: We posed a question to the 80 pitchers playing in the first team of the eight Korean professional baseball team and analyzed the 62 pieces of question paper except the paper having a mistake. We used SAS/PC statistical package in analyzing the data. Results: In the frequency of the pitchers' shoulder injury in the last three years, the injured of all the players were 61.3$\%$ and the injury free players were 28.7$\%$. The cause of the injury was 45.2$\%$ wrong pitching motion, which was the highest value. For the shape of a pain when injured, the reverberation ache feeling when he is hit in the weight commanded an absolute majority as 19.4$\%$. Those who had muscular pain were 17.7$\%$, which was felt mostly at the pitching motion. The most trouble name of the injured shoulder was bicepstendinitis as 16.1$\%$ while the injury of shoulder joint was the lowest as 1.6$\%$. As the most widely used treatment, 25.8 percent of all the players had taken an electronical thraphy after injury. 14.5 percent of the players who had an injury to the shoulder told that they have an operation and 85 percent of them didn't. As a sort of the operation, a repairing of labrum was 44.4 percent, which is the highest value and the 77.8 percent pitchers are performing a normal pitching through rehabilitation after the operation and 22.2 percent of them are undergoing rehabilitation training. Conclusion: The research have shown that the main cause of the injury, concerning the Korean professional pitchers throwing lots of ball in both matches and practices, is overuse syndrome, bad mechanism, muscle weakness and instability of balance. I think that the role of trainer, physical therapy, and team physician taking charge of the players' injury must learn physical test method by heart exactly to check up the state of the injury definitely at the initial phase. Moreover, when the cause of the injury part after a close examination is discovered, the scientific and good surgery is essential to the rehabilitation success and making a classification of shoulder instability is useful to make a operation plan as well as the players' rehabilitation, treatment.
Journal of Korea Entertainment Industry Association
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v.13
no.7
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pp.261-272
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2019
The purpose of this study is to examine the moderating effect of emotional bond in the effect of the congruence of self-image and the team's loyalty to professional baseball spectators, to enhance the effectiveness of emotional bond between the club and the spectator, and to suggest implications for establishing the club's brand marketing strategy. For this purpose, a survey was conducted on 500 professional baseball spectators, and the results of correlation analysis, stepwise regression analysis and hierarchical regression analysis using SPSS 21.0 based on 450 collected data are as follows. First, among the professional baseball spectators and the team's self-image, the realistic self-image factor had a significant effect on the club's loyalty. Second, it was confirmed that the congruence of realistic self-image moderated the effect of congruence of realistic self-image on club loyalty. This result shows that the formation of emotional bond has no influence on the congruence of ideal self-image and is related to the realistic self-image that the club is showing at present. Therefore, it is necessary to establish a marketing strategy that can highlight this effect by considering these points.
Taegeuk is the source and union of the two primary aspects of the cosmos, Eum(陰, Yin) and Yang(陽). The Neo-Confucian philosophers of Chinese Song(宋) dynasty associated Taegeuk with the supreme rational principle of the universe. Taegeuk is a powerful blend of self-discipline, self-defense and healing. It is an art which has grown over the millennia to include hundreds of forms and variations, and can easily take a lifetime to master. Taegeukgwon based on the Taoist philosophies of Eum(陰, Yin) and Yang(陽) is an ancient Eastern form of exercises, characterized by slow reversing movements. There is strong research evidence validating Taegeuk as a safe form of exercise having potential for health promotion and rehabilitation. Today, Taegeukgwon has spread worldwide. The Internal Training of Taegeuk is one of the exercises for regiment. As exercise, Taegeukgwon is designed to provide relaxation in the process of body-conditioning exercise and is drawn from the principles of Taegeuk, notably including the harmonizing of the Eum-yang(陰陽, Yin-yang), respectively the passive and the active principles. It employs flowing, rhythmic, deliberate movements, with carefully individually prescribed stances and positions. In practice, two masters teach the system exactly alike. As a mode of attack and defense, Taegeukgwon resembles Kungfu and is properly considered a martial art. It may be used with or without weapons. Freehand exercise to promote health was practiced in Korea. This training proved to have effect on hypertension, enervation, impotence, premature ejaculation, seminal emission, chronic gastrointestinal diseases, and arteriosclerosis. There have been many schools of Taegeukgwon. Depending on school and master, the number of prescribed exercise forms varies from 24 to 108 or more. The objective of this paper is to reconsider Taegeukgwon and its effect on the body and mind-conditioning in Hwangjenaegyeong(黃帝內經).
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