• 한국엔터테인먼트산업학회논문지
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• 제13권8호
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• pp.345-356
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• 2019

본 연구는 미디어스포츠를 통하여 직접적인 스포츠 참여를 유도하기 위하여 미디어스포츠 접촉동기가 직접적인 스포츠 참가에 어떠한 영향이 있는지를 연구하고, 이러한 관계에서 소비자의 운동몰입과 운동지속이 어떠한 효과가 있는지를 연구함으로써 미디어스포츠와 스포츠 참가의 기초자료를 제공하고자 하였다. 2019년 4월 1일부터 4월 31일 까지 G광역시와 J도에 거주하며 스포츠에 참가한 경험이 있고, 미디어스포츠를 접촉한 경험이 있는 성인 남·여를 대상으로 모집단을 선정하여 300명을 대상으로 설문조사를 실시하였다. 스포츠 접촉동기, 운동몰입, 운동지속, 스포츠참가에 대한 관계를 규명하기 위하여 IBM사의 SPSS Ver. 21.0과 AMOS Ver. 21.0의 통계 프로그램을 이용하여 분석하였고, 연구의 결과는 다음과 같다. 첫째, 접촉동기, 운동몰입, 운동지속, 스포츠참가에 대한 직접적은 효과를 살펴보면, 미디어스포츠 접촉동기는 운동몰입에 직접적인 영향이 있는 것으로 나타났고, 운동지속에도 직접적인 영향이 있는 것으로 나타났으며, 스포츠참가에도 직접적인 영향이 있는 것으로 나타났다. 또한, 운동몰입은 운동지속에 직접적인 영향이 있는 것으로 나타났고, 운동지속은 스포츠참가에 직접적인 영향이 있는 것으로 타났다. 둘째, 접촉동기, 운동몰입, 운동지속, 스포츠참가에 대한 매개효과를 살펴보면, 미디어스포츠 접촉동기와 스포츠참가의 관계에서 운동지속은 매개효과가 있는 것으로 나타났다. 또한 미디어스포츠 접촉동기와 운동지속의 관계에서 운동몰입은 매개효과가 있는 것으로 나타났고, 운동몰입과 스포츠참가의 관계에서 운동지속은 매개효과가 있는 것으로 나타났다. 셋째, 미디어스포츠 접촉동기는 스포츠참가에 직접적인 영향이 없는 것으로 나타났다. 또한, 미디어스포츠 접촉동기와 스포츠참가의 관계에서 운동몰입은 매개효과가 없는 것으로 나타났다. 하지만, 미디어스포츠 접촉동기와 스포츠참가의 관계에서 운동몰입과 운동지속은 이중매개효과가 있는 것으로 나타났다.

• International Journal of Advanced Culture Technology
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• 제10권3호
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• pp.263-271
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• 2022

The purpose of this study is to identify the degree of participation and the impact of social media sports contact motivation on sports activities. In order to clarify the purpose of this study, a total of 300 students from 150 male and 150 female university students in Gwangju and Jeonnam provinces in 2020 were selected by the convenience sampling method. The survey tool used to achieve the purpose of this study is the questionnaire method. Therefore, the questionnaire, which has already been verified for reliability and validity in domestic and foreign previous studies, was re-quoted, modified, or supplemented for the purpose of this study. For data processing, SPSS Windows 20.0 Version was used. For specific statistical analysis, frequency analysis, exploratory factor analysis, reliability analysis, and multiple regression analysis were performed according to the purpose of analysis. The results obtained through these results are as follows. First, it was found that the contact motivation for social media sports partially affected the degree of participation in social media sports. Second, it was found that social media sports contact motivation has a partial influence on sports participation. Third, the degree of social media sports participation was found to have a partial influence on sports participation.

• 대한치과보철학회지
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• 제45권4호
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• pp.534-545
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• 2007

Statement of problem: In spite of increasing sports injury, there was no collected data on the rate and type of dental injuries for athletes in Korea. Purpose: The purpose of this study was to investigate the occurrence of maxillofacial injuries and attitude of college sports player in Korea towards mouthguard. Material and methods: Total 617 athletes answered a series of questionnaire concerning their sports injury and using mouthguard. Results: 1. 81%(502) of athletes had, playing or training a sports, suffered an injury. Female athletes suffered an injury more than male athletes(p<0.05). Contact sports athletes were injured more than non contact sports athletes(p<0.05). 2. 335 athletes(54.8%) had suffered maxillofacial injuries while playing or training. 81.8% of athletes suffered an maxillofacial injury in contact sports(p<0.05). 3. Laceration of oral area, wrick in neck, fracture or avulsion on upper incisors, concussion, TMJ injury, fracture or avulsion on lower incisors, fracture or avulsion on lower molars were frequently injured area. 4. 67.2% of athletes answered that mouthguard could prevent sports injury especially high in contact sports(p<0.05). But only 39.1% of athletes required mouthguard while playing. 44.6% of athletes showed their intention of using mouthguard. Conclusion: This study shows that the incidence of maxillofacial injuries is very high while the actual use of mouthguard is very low. To prevent sports injury, a dentist must inform sports players and coaches of accurate information about mouthguard so that they can use it well. A dentist also has to provide them with better mouthguard on the basis of user's complaint.

• Clinics in Shoulder and Elbow
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• 제3권1호
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• pp.10-19
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• 2000

The aims of this retrospective study were to evaluate the results of inferior capsular shift operation which were approached anteriorly or posteriorly according to a main instability direction in contact sports population who had multidirectional shoulder instability. Fifty-three shoulders in 47 athletes who engaged in contact sports underwent an anterior or posterior inferior capsular shift procedure for the correction of multidirectional instability of the shoulder joint. The surgical approach was selected according to the predominant direction of the instability. Follow up was average of 42 months(24∼73 months). After anterior inferior capsular shift, anterior dislocation was recurred in three shoulders, posterior dislocation in one, and inferior dislocation in two shoulders. After posterior inferior capsular shift, one dislocation occurred anteriorly, one inferiorly and one posteriorly. The excessive tightening of capsule or improper diagnosis could be causative factors for the development of dislocation in the opposite direction to the preoperative major instability. Of six patients who could not return to their sports, five had bilateral repairs. Successful repair based on the criteria of the American shoulder and elbow association was achieved in 92% of anterior repairs, and 81 % of posterior repairs.

• 구강회복응용과학지
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• 제23권3호
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• pp.205-218
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• 2007

Statement of problem, and purpose: This study was performed to make good foundations for better development of mouth guards by surveying, analyzing and finding the understanding or opinions of athletes on mouth guards. Material and Methods: 617 sports players comprised the data base of the Survey, 230 contact sports, 387 non-contact sports. We surveyed and analyzed by asking following questions for athletes. 1. The sort of sports in which the player is majoring. 2. How long the players career is. 3. Whether the player has received prize or not. 4. The condition of stomatognathic system. 5. His or her eating habits. Results and conclusion: 1. Inconveniences should be minimized in wearing mouth guards. 2. The differential designs are thought to be needed for different sort of sports and for frequently affected regions 3. The changes in acknowledgment of athletes in mouth guards is necessary, that is mouth guard is very important & essential to prevent or minimize the traumatic damages. 4. Keeping in intimate and close contact with related athletic associations and putting athletes under the obligation to wear it for themselves, should be required.

• 구강회복응용과학지
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• 제23권2호
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• pp.105-117
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• 2007

Statement of problem,and purpose: This study was performed to make good foundations for better development of mouth guards by surveying, analyzing and finding the understanding or opinions of athletes on mouth guards. Material and Methods: 617 sports players comprised the data base of the Survey, 230 contact sports, 387 non-contact sports. We surveyed and analyzed by asking following questions for athletes. 1. The sort of sports in which the player is majoring. 2. How long the players career is. 3. Whether the player has received prize or not. 4. The condition of stomatognathic system. 5. His or her eating habits. Results and conclusion: 1. Inconveniences should be minimized in wearing mouth guards. 2. The differential designs are thought to be needed for different sort of sports and for frequently affected regions 3. The changes in acknowledgment of athletes in mouth guards is necessary, that is mouth guard is very important & essential to prevent or minimize the traumatic damages. 4. Keeping in intimate and close contact with related athletic associations and putting athletes under the obligation to wear it for themselves, should be required.

• 한국운동역학회지
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• 제13권3호
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• pp.67-79
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• 2003

The purpose of this study is to investigate the effective skill motion through the kinematic analysis of the Yurchenko Streched motion in new horse vaulting. The subjects in this study were 3 male gymnasts who were ranked as national athletes. After the 3D motion analysis, kinematic variables were analyzed to comparison with the difference between this study and the previous study(Yang, D. Y and Lee, C. S, 1999). As a result, the following conclusions was drawn; 1. In the board contact phase, this study showed a shorten contact time to maintain in condition highly extension of hip and hee angle than the previous study. 2. In the pre-flight phase, this study appeared more shortly flight duration time and horizontal flight displacement than the previous study. 3. In the horse contact phase, the contact duration time and horizontal displacement of COG shortened than the previous study, but appeared to the fast horizontal and vertical velocity and highly extension of shoulder an. 4. In the post-flight phase, a stable horse contact appeared to the increase of the flight duration time and the apex height during the post-flight. And it showed that these results have a stable and good landing.

• 대한치과기공학회지
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• 제44권3호
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• pp.89-96
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• 2022

Purpose: The purpose of this study was to investigate the types of mouthguards athletes who play contact sports use as well as their perceived discomfort of wearing them in order to analyze the relationship with wearing frequency so as acquire basic data for the development of more user-friendly mouthguards. Methods: The participants, who completed a self-report questionnaire, included 70 contact sports athletes, including high school contact (rugby and boxing) sport department affiliated athletes located in the city of Daejeon. Results: Breathing (p<0.01), fitting (p<0.05), ease of wearing (p<0.01), occlusion (p<0.05), and fatigue in muscles (p<0.05) were positively correlated with wearing frequency. Furthermore, the recognition of the mouthguards was not significantly correlated with wearing frequency. Conclusion: To prevent oral and maxillofacial trauma, multi-directional studies are imperative to develop mouthguards, which are comfortable and cost-efficient.

• 구강회복응용과학지
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• 제18권4호
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• pp.235-249
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• 2002

This study was accompolished to analyze and compare the number and area of the occlusal contact points in healthy volunteers and athletes with normal occlusion. Before the study, 89 athletes(sports career:8.6 years, average age 20) at Kyung Hee University were selected, and survey was accomplished for athlete's recognition about sports dentistry. For this study, 15 athletes(13 amles and 2 females with average age 20) and 21 healthy volunteers(14 mles and 7 females with average age 20.09) at Kyung Hee University were selected. The visual display acquired by scanning of occlusal record in maximal intercuspation was converted into 16 gray value image. Then, using computer program(J & Lee Occlusal Analyser), the pixel which was in definite range of the gray value was recognized, and the numbers of recognized pixel were calculated to area. The results were as follows : (1) On the survey about sports dentistry, 28% of 89 athletes didn't agree that human occlusion may be important, and 30% didn't have any idea of the influence of human occlusion during their sports activities. (2) The average numbers of total occlusal contact points were 31.05 in control group, and 34.67 in athlete group. The average area of total occlusal contacts was $100.25mm^2$ in control group, and $127.78mm^2$ in athlete group. (3) In control group, the average numbers of occlusal contact points were revealed in order as follows; the first molar(8.48), the second molar(8.24), the second premolar(4.71), the lateral incisor(2.90), the first premor(2.43), the central incisor(2.19), and the canine(2.1). The least average in canine(2.1) was similar to the average(2.19) in central incisor and (2.09) in lateral incisor. In athlete group, the average numbers of occlusal contact points were revealed in order as follows; the first molar(8.87), the second molar(8.47), the second premolar(5.60), the canine(3.80), the lateral incisor(3.33), the first premolar(2.67), and the central incisor(1.93). (4) In control group, the average areas of occlusal contact surface were revealed in order as follows; the first molar($39.47mm^3$), the second molar($37.54mm^3$), the second premolar($9.54mm^3$) the first premolar($6.18mm^3$), canine($3.49mm^3$), the central incisor($2.76mm^3$), and the lateral incisor($1.28mm^3$). In athlete group, the average areas of occlusal contact surface were revealed in order as follows; the first molar($44.11mm^3$), the second molar($40.69mm^3$), the second premolar($16.50mm^3$), the first premolar($9.39mm^3$), the canine($5.08mm^3$), the lateral incisor($3.7mm^3$), and the central incisor($2.25mm^3$). (5). With aging in both control and athlete group, there was a decreasing tendancy in average number of occlusal contact point, and was an increasing tendancy in average area of occlusal contact surface. In comparison at each age, both the numbers and area of occlusal contact were greater in athlete group than in control group. It was not significant in the numbers of occlusal contact points beween athlete and control group(p>0.1), but significant in the area of occlusal contact surface(p<0.05). (6) In comparision as to the kind of sports(Gymnastics:2, Rugby:3, Soccor:5, Ice hocky:5), the numbers of occlusal contact points were the most in ice hocky, and the area of occlusal contact surface was the greatest in gymnastics. With increasing a career in athlete group, there was a decreasing tendancy in average numbers of occlusal contact points, and was an increasing tendancy in average area of occlusal contact surface.

• 한국운동역학회지
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• 제15권2호
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• pp.119-127
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• 2005

The purpose of this research helps to make full use for perfect performance by grasping the defects of Ropez motion performed by athlete CSM who was under the training for the 28th 2004 Athene Olympic Garnes, and by presenting complementary methods. For the better Ropez motion which had been performed by CSM for the 1st dispatch selection test and the final for the 28th Athene Olympic Game was analyzed with 3-dimensional cinematographic method. Here are the conclusions: 1. During the board contact phase, powerful kicking and rapid forward flexion motion of upper body make increasing vertical velocity of C. O. G and enlarging body angle. 2. It was indicated that rapid forward flexion motion of upper body during the board contact phase get a large body angle in horse take-off. 3. rapid forward flexion motion of upper body during the board contact phase makes a longer time at horse contacting phase. It showed that this result increased velocity of horse take-off causing by powerful blocking motion. 4. Increasing of air-borne height during pre- flight phase, makes a higher C. O. G; and larger angle of hip, angle of knee and body angle in the landing phase. And it revealed that these results have a stable landing.