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조정선수의 경기력에 따른 바이오로어 구간별 스트록 변화패턴 분석
강동균(Kang, Dong-Kyun),이미숙(Lee, Mi-Sook) 한국체육과학회 2013 한국체육과학회지 Vol.22 No.1
This research was carried out to provide strategic references to help build performance improvement approaches for rowing athletes and teachers, by analyzing the patterns of rowing movement that are the most critical elements for athletic conpetitiveness. For this puipose, power and performance data for strokes were measured from the rowing movements by 34 rowing athletes using Biorower. The measured figures including the total numbers of strokes, lengths, frequencies, power, and angle were analyzed using SPSS 18.0,at each rowing section and by genders. The analysis results are as follows: First, the total numbers of the strokes were significantly different by athletic capacities and genders. The numbers by men rowers and the national team members were higher than the women’s and the non-national rowers’ Second, the lengths of strokes were longer in men and the non-national teams than in women and the national teams. The stroke numbers per 1 minute were significantly different by athletic performances. On the level of the non-national there were significant differences by genders, while on the level of the national there were no differences by genders. Fourth, power of a stroke showed significant differences by capacities and genders, and men and the national team were higher than women and the non-national team. Fifth, the angles of strokes were significantly different by genders and capacities. The stoke angles of men and the national members were larger than the women‘s and the non-nationals. At present, from the analysis results of rowing movements using Biorower by genders and athletic performances, there were significant differences between the national team athletes and the non-national athletes.
시간의 흐름에 따른 실내조정 경기기록의 변화율과 추세분석
강동균(Dong-Kyun Kang),박해원(Hae-Won Park) 한국발육발달학회 2021 한국발육발달학회지 Vol.29 No.1
This study is to investigate the change and trend of the match record compared to the previous year according to the passage of time in the adjusted match record. For this, data from the National Indoor Rowing Championships were used, and a graph showing the change rate of the game record by gender, sport, and weight class and the trend of the game record was presented. Excel and SPSS programs were used, and the statistical significance level was set to .05. As a result, in the case of university general departments, there was a change and trend of shortening the game record regardless of gender and weight according to the passage of time. In the case of university general departments, positive effects were observed over time, but in the case of high school departments, it is judged that there is no trend of change, so appropriate measures need to be prepared.
Rasch 모형을 적용한 그릿 척도의 문항 적합성 : 조정 선수를 대상으로
강동균(Kang, Dong-Kyun),박해원(Park, Hae-Won) 한국체육과학회 2021 한국체육과학회지 Vol.30 No.1
The purpose of this study is to verify the conformity of the question on the grit scale to the coordinator.There is a purpose of study in anger. 285 rowers were selected for the study. The grit scale used in the study was based on the Original Grit Scale, which was adapted to the domestic conditions by Lee Soo-ran. The Rasch model was applied to verify the conformity of the grit scale question and the results are as follows. First, the questions used in the adjuster"s grit scale were shown to satisfy the one-dimensional assumption. Second, the response category has been shown to be suitable for a five-point scale, but subsequent studies are required to determine the number of better response categories. Third, the question was found to be appropriate overall, but in the case of question number 6, it can be said that corrections and deletions are required. Fourth, the distribution of respondents" attributes and difficulty in question is properly arranged, but overlapping questions of similar difficulties require corrections and supplementation. We expect to actively utilize the results of this study in a subsequent study to explain the relationship between the adjuster"s grit and the performance model, and as this process is repeated, we believe that the external validity of the grit scale will be obtained for the adjuster.
강동균(Kang, Dong-Kyun) 한국체육과학회 2023 한국체육과학회지 Vol.32 No.6
The purpose of this study was to validate the selection attribute scale of an indoor surfing facility for marine sports. Specifically, data were collected from 183 individuals using the indoor surfing facility, and the Rasch measurement model was applied during the analysis. The conclusions and recommendations based on the research results are as follows: First, the selection attribute scale of the marine sports indoor surfing facility satisfied the assumption of unidimensionality in all factors. Second, it was found that a 3-point scale was suitable for the response categories in the selection attribute scale of the marine sports indoor surfing facility. Third, with regard to the appropriateness of the items in the selection attribute scale of the marine sports indoor surfing facility, two items were found to be inappropriate, while the rest of the items were found to be suitable. Fourth, it was determined that there were no discriminatory items based on gender in the selection attribute scale of the marine sports indoor surfing facility. In conclusion, the selection attributes of the marine sports indoor surfing facility should be measured accurately using a scale composed of 13 items in total, categorized into three response categories with a 3-point scale. It is expected that this scale will provide valid information about selection attributes and can be used as marketing information for activation without gender discrimination.
주기적 지형 측량을 통한 해빈과 해안사구의 지형변화: 충남 보령시 소황사구를 사례로
강동균 ( Dong Kyun Kang ),서종철 ( Jong Cheol Seo ) 한국지형학회 2012 한국지형학회지 Vol.19 No.2
The aim of this study is to analyze the mid-term changes of beach and dune morphology at Sohwang beach, Korea using by Total Station. Measurements executed 4 times during two year. Based on ArcInfo as point cloud obtained through precise measurement data by Total Station, alteration of beach and dune was analyzed at DEM, of which cell size is about 1m. Since these artificial constructions have influenced current systems of this region, the large-scale sand movements above mentioned have occurred around the jetty and the sea-wall. There occurred sedimentation in the north of the Jetty and erosion in the south of the Jetty, which is installed at the central part of object area. The direction of recent topographic development does not coincide with that of wind, and, rather, topographic changes occurred mainly at beaches and dunes due to the transformation of coastal water flow caused by artificial structure nearby. If precise measurement is conducted periodically, and long term monitoring is carried out by installing equipment measuring movement pattern of sediment around artificial structure, cause of topographic change around the object area could be discovered.
ROC 분석을 이용한 조정선수의 운동관련 체력평가 기준설정
강동균 ( Dong Kyun Kang ),변원태 ( Won Tae Byun ) 한국체육대학교 체육과학연구소 2013 스포츠사이언스 Vol.30 No.2
The purpose of this study was to set evaluation standard for motor-related physical fitness in rowing using ROC(Receiver Characteristic Curves) analysis. To accomplish this purpose, 35 elite rowers were participated in this study. Data were calculated by SPSS 15.0 for windows and Medcalc program. The conclusions of this study were as the followings: first, it was different from sex and event for motor-related physical fitness. second, it was different from sport performance for motor-related physical fitness. third, cut-off point for muscular strength was 107.16kg(AUC: 94.4%) and flexibility was 18cm(AUC: 94.4%) in men``s sweep. fourth, cut-off point for agility 17.26sec(AUC: 100.0%) and flexibility was 16.66cm(AUC: 84.4%) in women``s sweep. fifth, cut-off point for agility 16.86sec(AUC: 88.2%) and cardiorespiratory endurance was 8.13min(AUC: 65.3%) in men``s scull. sixth, cut-off point for muscular strength 62.0kg(AUC: 100.0%) and cardiorespiratory endurance was 9.16min(AUC: 62.5%) in women``s scull.
해양레저스포츠의 SNS 서비스품질이 대학생의 행동의도에 미치는 영향 : 성별에 따른 조절효과 검증
강동균(Kang, Dong-Kyun),안상현(An, Sang-Hyun) 한국체육과학회 2023 한국체육과학회지 Vol.32 No.6
The analysis of the effect of the social-media-based marine leisure sports service quality factors on university students behavioral intentions was conducted, and the moderating effects based on gender were verified through univariate models of regression analysis and general linear models. The results of the analysis are as follows: Firstly, among the social-media-based marine leisure sports service quality factors, factors such as interactivity, informativeness, security, and aesthetics influenced satisfaction in university students behavioral intentions. Additionally, among the social-media-based marine leisure sports service quality factors, factors like interactivity, security, and usability influenced actual behavior in university students behavioral intentions. Secondly, in terms of the moderating effects based on gender, in university students behavioral intentions, satisfaction and behavioral factors acted as moderating variables only in the interactivity factor of the social-media-based service quality factors. Furthermore, females exhibited a higher tendency compared to males in terms of satisfaction and behavioral factors.