PURPOSE This study investigates the effectiveness of biomechanics information on intermediate golfers driver swing learning. It analyzes changes in center of pressure (COP) patterns, GRF Direction Inclination, driver performance, and learners psychological responses to determine the learning effects. METHODS Subjects were 32 right-handed male golfers (handicap 15-23) who had no difficulty in performing the golf driver swing (Full swing). Four groups were selected, BF (Biomechanics Feedback group), BVC (Biomechanics Verbal Cue group), CB (Combination group), and CT (Control group), and assigned randomly. Driver swing learning showed results after 6 weeks,and a transfer test was conducted 1 week after the completion of the learning. RESULTS Analysis of COP patterns and GRF Direction Inclination indicated changes in the BF, BVC, and CB groups. Furthermore, analysis of driver distance (m), club head speed (km/h), and ball spin rate (rpm) revealed that during the 6-week acquisition phase, all three groups (excluding the control group) showed improvements in driver distance, club head speed, and ball spin rate. However, there were no statistically significant differences among the groups. In contrast, the transfer test showed statistically significant differences among the groups, with the CB group exhibiting the highest driver distance. Learners' psychological responses during the learning process were trust, understanding, and satisfaction. The understanding factor was relatively higher in the CB and BVC groups compared to the BF group. CONCLUSIONS In summary, biomechanics information (BI) was effective in improving driver performance, and changesappeared in the COP pattern and GRF Direction Inclination, indicating a change in movement. Therefore, BI can be fully utilized for athletes or high-level advanced players and for motor learning for intermediate-level students.However, BI can only improve learning effects by strengthening learners' “understanding” when visual feedback forms and verbal cues are provided together.
PURPOSE Players’ nonverbal behavior during a game may be expressed through selfregulatory and intentional processes, where nonverbal cues are strategically used to achieve specific outcomes. This study aimed to observe and explore the strategic and intentional nonverbal behaviors utilized by table tennis players. METHODS The study utilized a grounded theory methodology and involved purposeful sampling of ten adult table tennis players. Semi-structured face-to-face interviews were conducted. The collected data were analyzed using open, axial, and selective coding techniques. RESULTS The findings revealed that players’ intentional nonverbal behaviors are influenced by their confidence levels, physical condition, and perceptions of others’ nonverbal cues. Throughout this process, players underwent various emotional experiences, worked to maintain a positive mental state, and experienced changes in both their behaviors and psychological states, which impacted the flow of the game. CONCLUSIONS This study’s results provide valuable insights into the role of intentional nonverbal behaviors utilized by athletes during competitions. This suggests that understanding and incorporating intentional nonverbal behavior should be a key consideration in sports psychology counseling and psychological skills training.
PURPOSE The purpose of this study is to explore the effects of the student-athlete and student peer mentoring program as a collegiate class. METHODS The peer mentoring program, conducted at A University in the first semester of the 2023 school year, was evaluated using practical action research (Zuber-Skeritt, 1996). RESULTS In the introduction stage, ‘relative and absolute evaluation’, ‘member ratio’, and ‘definition of professor role’ were categorized as challenge issues. In the progress stage, ‘de-formalized lecture method’, ‘student athlete’s coaching experience’, and ‘student’s experience of football culture’ were discovered as possibilities, while ‘vacancy and absence of mentor-mentee’, ‘limited group activities and limitations of team sports’, and ‘lack of objective evaluation’ required improvement. At the end stage, student-athletes experienced changes in values such as self-identity, football, and human relationships, as well as quantitative and qualitative changes in sports participation. CONCLUSIONS This study confirmed the potential of the peer mentoring program as a collegiate class as well as its practical significance for guaranteeing student-athletes' learning rights and for forming sports culture on collegiate campuses.
PURPOSE This study aimed to verify the relationship between adolescent athletes’ julsil, competitive trait anxiety, and self-management. METHODS A total of 370 adolescent athletes who were registered with the Korean Sport & Olympic Committee participated in the survey; 24 insincere responses were excluded from the analysis, leaving a total of 346 participants. After verifying the construct validity of the measurement tool used in the survey, statistical and correlation analyses were performed. The research model was subsequently verified using structural equation modeling. RESULTS Adolescent athletes’ julsil had a significant positive effect on self-management but not on competitive trait anxiety. In addition, self-management was found to have a significant negative effect on competitive trait anxiety, and also completely mediated the relationship between julsil and competitive trait anxiety. CONCLUSIONS Adolescent athletes’ julsil does not increase competitive trait anxiety, but rather plays a role in reducing it by increasing self-management. These findings unveil mechanisms through which julsil can be used to enhance athlete performance.
PURPOSE This study aimed to explore ways to utilize augmented reality (AR) in school sports and leisure by examining the case of an elementary school sports club using augmented reality-based e-sports. METHODS A self-study approach and Eisner's(1995) educational criticism were utilized. Data including photos, videos, literature, and memory boxes related to the elementary school AR sports club were collected weekly during the school semesters from March 2023 to January 2024, spanning a total of 30 weeks. The data were analyzed following the stages of analysis by Elo & Kyngäs(2007). RESULTS Augmented reality can act as a personalized exercise coach by visualizing physical activity information. Through posture and movement analysis, education on physical strength and expression can be provided that is linked to home; it can also expand the range of sports experiences and create a new sports culture. In order to effectively utilize AR, edtech field experts must be trained, and content must be developed through cooperation between companies and schools. The educational effectiveness of the content must be verified and the management system must be inspected, and public facilities utilizing edtech must be expanded. CONCLUSIONS AR has endless development potential in school sports and leisure, but these will require active interest and support from educational authorities.
PURPOSE This study seeks to explore the subjectivity regarding leisure constraints perceived by college student-athletes. METHODS Based on Q methodology as an analysis framework, 25 Q-samples and 25 P-samples suitable for the research purpose were selected, and Q-classification and Q-factor analysis were conducted. RESULTS The leisure constraints were categorized into “Type Ⅰ: Psychological constraints,” “Type Ⅱ: Financial constraints,” and “Type Ⅲ: Spatio-temporal constraints.” The three types provided discussions on “strong athlete identity of student-athletes,” “role conflict between students and athletes,” “core competencies of student-athletes,” “current student-athlete support project,” and “school sports camp training.” CONCLUSIONS College student-athletes’ leisure constraints are closely related to strong athlete identity, anxiety about enjoying leisure, cost burden, and closedness of camp training, and each type provided new perspectives on discussions related to Korean student-athletes.
PURPOSE This study investigated the impact of underweight and hand grip strength (HGS) levels on the risk of all-cause mortality in older adults. METHODS Data from the 2006 baseline and 2020 follow-up assessments of the Korean Longitudinal Study of Aging (KLoSA), involving 3,009 older Koreans (≥65 years) were used in the study. Participants were categorized based on body mass index (BMI) as underweight, normal, overweight, or obese and grouped according to the Asian Working Group Sarcopenia criteria into high or low HGS. Cox proportional hazard models were used to estimate the hazard ratio (HR) and 95% confidence interval (CI) of all-cause mortality according to BMI and HGS categories. RESULTS During the 11.3±4.0 years follow-up period, 1,334 deaths from all causes occurred. The risk of death by BMI and HGS level was analyzed. The results showed that the risk of death in the overweight and high HGS group (HR=0.773, p=.016) was significantly lower than that in the normal weight & high HGS group (HR=1). In comparison, the risk of death in the underweight & low HGS group (HR=1.930, p<.001) and the normal weight & high HGS group (HR=1.225, p=.014) were significantly higher than normal weight & high HGS. However, the risk of death in the underweight and high HGS group showed no significant difference compared to the normal weight and high HGS group. CONCLUSIONS The current findings suggest that improving muscle strength through regular exercise may be important in preventing the risk of all-cause mortality due to being underweight.
PURPOSE The purpose of this study was to explore violence in the Korean sports world and examine the reality of sports violence in the past and present by reflecting the voices of the field and academia through an in-depth analysis. METHODS First, through a systematic literature analysis, the essential problems of sports violence that have been discussed in academia were explored. Next, based on this, perception was explored by applying a multi-case study method to an in-depth analysis of the opinions of experts in academia and the field. Finally, by deriving the research results and discussing them, implications for this study were provided. RESULTS First, the essential problem of sports ethics was the change in sports ethics perception that was different from the sports ethics problem caused by the diversification of victoryism. Second, the essential problems of sports violence were ethics and sports ethics in society with different standards, and the unaltered perception and culture of sports ethics. Third, the problems and causes of sports violence were institutional changes and practical limitations of physical violence, control of the possibility of violence, insensitive verbal violence, cyber violence as a new form violence due to changes in the times, and rationalizations of bystanders. CONCLUSIONS This study is expected to serve as a catalyst for the field and academia by exploring the phenomenon of sports violence in more depth through the problems of violence by type and its causes according to the changing times.
PURPOSE Taekwon gymnastics is expected to be a program that can overcome the management difficulties currently faced by Taekwondo gyms and contribute to the expansion of Taekwondo base. Therefore, this study aimed to examine the relationship among organizational identification, flow experience, intention to continue participation, and recommendation intention of Taekwon gymnastics participants. METHODS In this study, data was collected from 313 teenagers participating in Taekwon gymnastics at Taekwondo gyms in the metropolitan area from September 10 to 24, 2021. A total of 267 questionnaires were selected as the final sample, and data analysis was conducted using SPSS 23.0 and AMOS 23.0. RESULTS Organizational identification had a significant effect on flow experience, challenge only had a positive effect on intention to continue participation, flow experience did not significantly affect recommendation intention, and intention to continue participation had a significant effect on recommendation intention. CONCLUSIONS The results of this study confirmed that organizational identification can contribute to improving inner pleasure and self-esteem, and it is necessary to examine the role of factors that can mediate the relationship between flow experience and behavioral intention in the future. Furthermore, managers of Taekwondo gyms should hold various events that can inspire teenagers’ sense of challenge to encourage intention to continue participation.
PURPOSE This study aimed to explore the functional movement in rope climbing. METHODS The rope climbing experiment included 16 healthy young male participants, and the methods of hand, cross-leg, and foot-hooking climbing were employed. The muscle activity and joint range of motion were measured and analyzed using EMG (Electromyography) and IMU (Inertial Measurement Unit) sensors. One-way analysis of variance was conducted (α<.05). RESULTS The activity of the forearm and biceps muscle was lower in cross-leg and foot-hooking climbing compared to hand climbing (p<.01), and the rectus femoris muscle activity in cross-leg climbing was smaller than that in hand climbing (p<.05). Furthermore, the adductor muscle activity in cross-leg climbing was higher than that of other types (p<.01). The range of motion for the elbow and shoulder flexion was smaller in hand climbing than in other types (p<.05); furthermore, the range of motion in the pelvis, thigh, and knee joint was the smallest in cross-leg climbing (p<.05). CONCLUSIONS Because the pulling muscles such as the forearm, biceps, pectoralis major, and latissimus dorsi play an important role in the entire climbing motion, it is necessary to train the upper-body pulling-muscle group along with strengthening the core and lower body muscles.
