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      • KCI등재후보

        Relationship of Sport Participation Motivation to Happiness in Adults

        김사엽 한국스포츠학회 2017 한국스포츠학회지 Vol.15 No.4

        The purpose of this study was to examine the relationship between the sport participation motivation of adults and their happiness. The subjects in this study were 265 male and female adults who were selected by convenience sampling. They practiced sports for all. A survey was conducted, and the answer sheets from 237 respondents were analyzed except for 28 ones that included unfaithful answers. To determine the relationship between sport motivation and happiness, multiple regression analyses were carried out. As a result, the sport motivation of the adults who engaged in sport activities were found to have affected happiness. First, internal motivation and integrated regulation that were the subfactors of sport motivation were found to have exerted a positive influence on self- realization among the subfactors of happiness. Second, integrated regulation was found to have impacted on competency among the subfactors of happiness. Third, internal motivation of sport motivation was found to have exercised a positive influence on commitment of happiness. Third, internal motivation and integrated regulation were found to have affected hedonic enjoyment in a positive way, but external regulation was found to have had a negative impact on that. The findings of the study confirmed that sport motivation exerted a positive influence on happiness in the adults when they practiced sports. 본 연구는 성인의 스포츠참여 동기와 행복에는 어떠한 관계가 있는지에 대해서 알아보는데 그 목적 있었다. 생활스포츠 참여자 일반 성인을 대상으로 설문조사를 실시하였다. 성인 남녀 265명을 대상으로 편의표본추출법(convenience sampling method)을 적용하였고, 이 중에서 불성실하게 응답한 28부를 제외한 총 237부가 활용되었다. 스포츠동기와 행복의 관계를 규명하기 위해서 중다회귀분석을 실시한 결과 스포츠활동 참여 성인의 스포츠 동기는 행복에 영향을 미치는 것으로 나타났다. 첫째, 스포츠 동기의 하위요인인 내적동기와 통합조절은 행복의 하위요인인 자아실현에 정적인 영향을 미치는 것으로 나타났다. 둘째, 통합조절은 행복의 하위요인 유능감에 영향을 미치는 것으로 나타났다. 셋째, 스포츠 동기의 내적동기는 행복의 몰입감에 정적인 영향을 미치는 것으로 나타났다. 셋째, 내적동기, 통합조절은 쾌락적 즐거움에 정적인 영향을 미치는 것으로 나타났지만, 외적조절에서는 부적인 영향을 미치는 것으로 나타났다. 본 연구를 통해서 성인의 스포츠참여시 스포츠동기가 행복에 긍정적인 영향을 미치는 것을 확인 할 수 있었다.

      • KCI등재
      • KCI등재
      • KCI등재

        Prediction of Belt Sag on a Non-Motorized Curved Treadmill

        김사엽,형준호,노종련,권오홍,김영호 한국정밀공학회 2017 International Journal of Precision Engineering and Vol.18 No.3

        A non-motorized curved treadmill is completely self-powered equipment operated by human movement. As a walkway, the top surface of its belt has U-shaped concave sag that enables the belt to rotate freely through human footsteps. The concave sag on the upper belt is produced by also allowing the unnecessary sag on the lower belt, which is yet to be known. This study suggests a design method for the curved treadmill accompanied by a mathematical model that enables the prediction of the exact extent of the upper and lower belt sags according to design factors. The mathematical model is presented using the approximated parabola curve instead of the catenary curve, the belt tension, and the wheel friction. An experimental belt system is produced. The extent of the upper and lower belt sags is also measured to compare with the calculated values from algebraic expressions. The theoretical values match the actual measurements, which confirm the validity of the mathematical model. The results of this study will be useful in designing curved treadmills with various geometries.

      • KCI등재

        Dynamic Stability on Nonmotorized Curved Treadmill: Self-Paced Speed versus Fixed Speed

        김사엽,Jongryun Roh,형준호,양길태,김영호 한국정밀공학회 2017 International Journal of Precision Engineering and Vol.18 No.6

        Understanding dynamic stability during locomotion is very important for preventing falling and injury. Although many previous studies have investigated dynamic stability characteristics under self-paced speed (SP) and fixed-speed (FS) conditions, very few have directly compared the two conditions. In this study, the margin of stability (MOS) was evaluated under the SP and FS conditions using a nonmotorized curved treadmill (NMCT). Interaction effects were found between the curvature radius and speed, the differences between each curvature radius and speed were confirmed, and significant differences were found between the SP and FS conditions. According to experimental results, under both the SP and FS conditions, the dynamic stability increased with the curvature radius during slow and fast walking. However, under the SP condition, as the curvature radius increased, the MOS in the anteroposterior direction decreased during running; however, under the FS condition, no distinctive trend was observed. At most curvature radii and speeds, significant differences were found between the SP and FS conditions. The study results indicated that while exercising on the NMCT, the SP and FS conditions at different curvature radii and speeds could influence the dynamic stability. The results could be utilized for verifying exercise capacity enhancement and rehabilitation exercise effects.

      • KCI등재후보

        해양레저스포츠 참여동기가 여가만족 및 지속적 참여의도에 미치는 영향

        김사엽 한국스포츠학회 2011 한국스포츠학회지 Vol.9 No.4

        The purpose of this study was to understand what influence participation motive has on leisure satisfaction and continuous participation intention of marine leisure sports participants. The instrument for data collection was a questionnaire in which participation motive scale as identified by Vallerand & Bouque (1992) and Weissinger & Bandalos(1995), translated by Jung(1997), leisure satisfaction scale as identified by Beard & Ragheb(1980), translated by Lee(1992), continuous participation intention scale as identified by Jung(2006). 400 subjects were selected from the adolescents participation in marine leisure sports participants in the seoul, gyeonggi and gangwon by the stratified cluster sampling method. Among these selected subjects, 387 responded, and data analyses consisted of employing frequency analysis, factor analysis, one-way ANOVA, multiple correlation, multiple regression Analysis using SPSS/PC+ version 15.0. The following results were obtained: 1. It was found that participation motive of marine leisure sports participants has an influence on leisure satisfaction. 2. It was found that participation motive of marine leisure sports participants has an influence on continuous participation intention. 3. It was found that leisure satisfaction of marine leisure sports participants has an influence on continuous participation intention.

      • KCI등재

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