Purpose This study was designed to examine the effects of 8 weeks of circuit exercise training on blood lipids, insulin resistance, cardiovascular function, and metabolic syndrome risk factors in 40~50s male bus drivers. Methods Twenty-nine bus drivers were randomly assigned to one of two groups, i.e., circuit exercise training group (TR: n=14) and control group (CON: n=15). Subjects in TR participated in circuit exercise training 30-40 min per session, three sessions per week for 8 weeks, whereas subjects in CON were asked to maintain their normal life pattern for same intervention period. The variables regarding body composition, blood lipids, insulin resistance, cardiovascular function, and number of metabolic syndrome risk factors were measured and compared between two groups as well as between pre- and post-test. Data were analyzed using repeated two-way ANOVA with post hoc test. Results Main results of the present study were as follows: 1) Waist circumference, waist-hip ratio, body mass index, and percent body fat decreased significantly in TR. 2) LDL-C decreased and HDL-C increased significantly in TR. 3) Fasting plasma insulin and HOMA-IR decreased significantly in TR. 4) Regarding cardiovascular function, diastolic blood pressure and mean arterial pressure decreased significantly in both TR and CON. hs-CRP were not changed significantly; however, it tended to be decreased TR. 5) Number of metabolic syndrome risk factors decreased significantly in TR(2.86±0.86 to 1.50±0.76). Conclusions It was concluded that 8 weeks of circuit exercise training would be beneficial for improvement of blood lipid profiles and insulin resistance, resulting in preventing metabolic syndrome. In particular, it would be very clinically meaningful that number of metabolic syndrome risk factors decreased from 2.86±0.86 to 1.50±0.76 by the circuit exercise training.
The human foot is only part that directly contact between the body and the external environment, and is ideally positioned to provide sensory information to the Central Nervous System (CNS) during static and dynamic tasks. Through cutaneous mechanoreceptors located in the dermis, the foot is able to recognize touch pressure and vibration stimuli, which provide important feedback information used for the fine coordination of movements. The purpose of this study is to quantitatively examine the effect of changing the foot cutaneous sensory by temperature stimulus on maximal performance and muscle activation using wavelet technique. Sixteen healthy subjects volunteered to participate in this study (Male: Age 21.4±2.4years; Height 174.7±5.3츠; Weight 70.6±5.2kg; Female: Age 20.5±0.6years; Height 163.2±3.1cm; Weight 55.6±4.8kg). Sensory pressure thresholds were determined for the plantar surface of the foot using monofilament. Kinematic, kinetic and EMG data which relative to maximal performance were collected while squat jumping in each temperature condition(cool 12-15℃ normal 28-30℃ hot 45-48℃). Maximal jump height was significant higher in normal condition. Vertical GRF in normal condition showed higher peak value the other conditions. And then EMG signal were significant different between temperature conditions during maximal performance. By changed sensory feedback on temperature, one can alter maximal performance and muscle activation pattern. Cutaneous feedback is important in performance and neuromuscular control, and temperature changes significantly influence on lower extremity during maximal squat jump performance of healthy subjects.
PURPOSE This study aimed to identify ACTN3 gene polymorphisms amongprofessional ssireum players by weight class and between elite and non-elite players,and to select genotype that matches the characteristics of the sport. METHODS The subjects of this study were 148 male athletes currently working as professionalssireum players. Chi-square test cross-tabulation analysis was conducted to examinethe differences in ACTN3 genotypes between weight classes and between elite andnon-elite players. RESULTS There were no significant differences in allele or genotypebetween ssireum players, but there were significant differences in R-allele and XXgenotype. CONCLUSIONS Players with the R-allele type of the ACTN3 gene weremore often classified as elite. Using this marker as a basis for organizing a playerselection and training programs would be more effective in training those that matchthe characteristics of elite players of the game.
PURPOSE This study examined how consumers' visual attention to ads during eSports media consumption varies over time. METHODS An experimental study with a single factor, three-level within subject experimental design was conducted, utilizing an eye-tracker to measure visual attentions, including fixation count and duration. Seventy-eight students from a national university in city B participated in the experiment. A repeated measures ANOVA was conducted using the open-source statistical program R to test the research hypothesis. RESULTS Both the fixation count and duration were highest for the first ad and then gradually decreased for the second and third ad. CONCLUSIONS It is recommended that eSports sponsors should consider differentiating ad pricing based on the order of exposure, then expose the first ad presented more frequently and for extended periods, and consider different shapes, colors, and movements to prevent adaptation to the initial allocation of attention.
PURPOSE This study identifies girls with learned helplessness in middle school physical education coping mechanism and growth process. METHODS Eight female 9th graders who previously experienced learned helplessness in physical education were purposely selected with their physical education teachers’ recommendation. After individual in-depth interviews, data were analyzed using inducted data analysis. RESULTS Findings show that the girls could overcome learned helplessness through their own will and with support of peers and physical education teachers. Moreover, they have undergone various growth processes after coping with learned helplessness. Recently, they have self-confidence in physical education classes and desire to learn physical education. Additionally, results showed that the girls’ learning will in physical education influenced other subject matters, which helped them overcome new challenges in their school and daily lives. CONCLUSIONS Results can be used as practical guidelines to develop educational programs and create policies for girls with learned helplessness.
PURPOSE This study aimed to subdivide the market based on the general characteristics and consumer psychology of sports brand collaboration consumers and provide basic data for efficient collaboration marketing activities of sports companies. METHODS The subjects of this study were high school, college, and graduate students from high schools and universities in the Seoul and Gyeonggi area. Of the 600 copies of the questionnaire distributed, 475 were selected and analyzed in the final sample. Regarding the statistical method for this study, the PASW 18.0 statistical program was used for the frequency, exploratory factor, reliability, hierarchical cluster, K-means clustering, and cross analyses, as well as the one-way ANOVA. RESULTS The results of the analysis suggested five subdivided clusters with according marketing strategies: “external male,” “practical male,” “twenties design preferred female,” “low-interest women,” and “high consumption optional attributes” groups.
Purpose The purpose of this study was to empirically analyze the relationship between a commercial sports centers employees’ empathy, job satisfaction, customer orientation, service quality & organization loyalty through structural equation model analysis. Methods For this purpose, this study set 205 employees’ at the eleven commercial sports centers located in Seoul as the research subjects. In an effort to verify the proposed structural model, this study used IBM SPSSWIN Ver. 21.0 and AMOS 18.0. Results First, cognitive empathy had a positive effect on job satisfaction. Second, emotional empathy had a positive effect on job satisfaction. Third, communication empathy had a positive effect on job satisfaction. Fourth, job satisfaction had a positive effect on customer orientation. Fifth, job satisfaction had a positive effect on service quality. Sixth, job satisfaction had a positive effect on organization loyalty. Seventh, customer orientation didn’t had a positive effect on organization loyalty. eighth, service quality had a positive effect on organization loyalty.
[Purpose] The purpose of this research is to empirically analyze the relationship between self-determination and relationship commitment, customer orientation, service quality, and relation continuity intention of fitness center customers through structural equation model analysis. [Methods] For this purpose, this study set 242 members at the five fitness centers located in Seoul as the research subjects. In an effort to verify the proposed structural model, this study used IBM SPSSWIN Ver. 21.0 and AMOS 18.0. [Results] As a result, first, autonomy had a positive effect on relationship commitment. Second, competence didn’t had a positive effect on relationship commitment. Third, relatedness had a positive effect on relationship commitment. Fourth, relationship commitment had a positive effect on customer orientation. Fifth, relationship commitment had a positive effect on service quality. Sixth, customer orientation had a positive effect on relation continuity intention. Seventh, service quality had a positive effect on relation continuity intention
The purpose of this study was to investigate the research trends on school sports clubs using the Content Analysis and Network Text Analysis. Data included 137 journal articles published from 2007 to 2016 and were analysed using SPSS 20.0, KrKwic software and the NetDraw of UCINET 6 program.The results were as follows. First, the number of research articles on school sports clubs were increased since 2012. Second, research studies using mixed subjects were most popular in comparison to more narrow target population. Third, the mixed methods approach was less utilised in comparison to quantitative and qualitative research methods. Fourth, correlational studies were more frequently used while multivariate analyses were less common in terms of statistical methods. Fifth, satisfaction, policy, and leader were the most frequently used keywords among the keywords provided by journal articles. Lastly, the results of Network Text Analysis indicated that school sports clubs and user satisfaction showed the highest degree centrality, closeness centrality, and betweenness centrality.
The current study aimed to examine behavioral intentions of online sports products consumers using the Extended Goal-directed Behavior Model. The questionnaires were distributed to consumers who had experience of purchasing sports products online. Data collected from 282 respondents were analyzed mainly using structural equation modeling. The results were as follows: First, attitude and subjective norm had a positive effect on desire. Second, perceived behavior control did not affect desire but had a positive effect on behavior intention. Third, positive anticipated emotions had a positive effect on desire and negative anticipated emotions had a negative effect on desire. Fourth, prior knowledge did not affect desire and behavior intention. Fifth, frequency of past purchase behavior did not affect desire, but had a positive effect on behavior intention. Lastly, desire had a positive effect on behavior intention.
