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The aim of present study was to determine the effect of different levels of balance task difficulty and muscle pattern sonification on balance elderlies. eleve  healthy elderly mean age 66/09± 2/26 yr were selected voluntarily. The study inclusion criteria included no structural postural problems, lack of lower extremity fractures over the past six months, no uncorrected visual impairments, no vestibular disorders, and no use of nerve medications, narcotics, alcohol, and any substance leading to dizziness or lack of focus and affecting balance
 Participants were asked to stand still on a stable platform under two conditions (with sonification of muscle activity pattern and without feedback) in three difficulty levels (6, 8, and 10). Stability index scores (Overall, Anterior- Posterior and Medial- Lateral) were calculated by Biodex Balance System.  The duration of each test was 20 seconds and rest times were 10 seconds. Results showed that with increasing task difficulty, scores of  overall balance ,Medial- Lateral balance  and Anterior- Posterior balance. In addition, There was a significant reduction in the scores of Overall balance (p= 0/005), anterior - posterior balance (p= 0/002) and medial - lateral balance (p= 0/022) and sonification of muscle activity pattern condition compared with without sonification of muscle activity pattern condition in the level of 6. Overall, the results of this study showed that increasing task difficulty increases postural sway, and the availability of sonification of muscle activity pattern can improve balance and reduce postural sway.
Keywords: Electrical activity, Stability index, Biofeedback , Task Difficulty

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Abstract
Introduction : The present study aims to analyze research articles from the past decade in the field of attentional focus among children and adolescents using a scientometric approach.
Methods: This descriptive and review-based study utilized a specific search strategy in the Web of Science (WoS) citation database. A total of 29 relevant articles on attentional focus published between 2013 and 2023 were selected and analyzed using HistCite and VOSviewer software.
Resultss: The findings revealed that the main research topics included motor performance, motor learning, and motor control, with a predominant emphasis on external focus of attention. Moreover, research attention toward adolescents was found to be lower compared to children. The most active journals in this field were Human Movement Science and Psychology of Sport and Exercise. Prominent authors such as Wulf, Abdollahipour, and Pesta received the highest number of scientific citations. In terms of international collaboration, countries like the United States, the United Kingdom, and Australia were leading, with the U.S. showing strong connections with Iran and the Czech Republic, playing a key role in scientific networks.
Conclusion: The results indicate that the role of attentional focus instructions in motor learning and performance particularly in children and adolescents is an emerging and evolving area. However, attentional instructions in these age groups, who possess developing cognitive characteristics, have been understudied so far. This analysis emphasizes that enhancing international collaboration and focusing on existing research gaps can pave the way for future investigations.
Keywords: Sports performance, children and adolescents, cognitive development, attentional strategies, scientometric study

Abstract
Introduction : The present study aims to analyze research articles from the past decade in the field of attentional focus among children and adolescents using a scientometric approach.
Methods: This descriptive and review-based study utilized a specific search strategy in the Web of Science (WoS) citation database. A total of 29 relevant articles on attentional focus published between 2013 and 2023 were selected and analyzed using HistCite and VOSviewer software.
Resultss: The findings revealed that the main research topics included motor performance, motor learning, and motor control, with a predominant emphasis on external focus of attention. Moreover, research attention toward adolescents was found to be lower compared to children. The most active journals in this field were Human Movement Science and Psychology of Sport and Exercise. Prominent authors such as Wulf, Abdollahipour, and Pesta received the highest number of scientific citations. In terms of international collaboration, countries like the United States, the United Kingdom, and Australia were leading, with the U.S. showing strong connections with Iran and the Czech Republic, playing a key role in scientific networks.
Conclusion: The results indicate that the role of attentional focus instructions in motor learning and performance particularly in children and adolescents is an emerging and evolving area. However, attentional instructions in these age groups, who possess developing cognitive characteristics, have been understudied so far. This analysis emphasizes that enhancing international collaboration and focusing on existing research gaps can pave the way for future investigations.
Keywords: Sports performance, children and adolescents, cognitive development, attentional strategies, scientometric study

 

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The aim of this study was to determine the effectiveness of the type of goal setting and self-recording on acquisition and self-regulation learning of basketball free throw. Seventy middle school student boys were selected for available and randomly allocated to 6 experimental groups and one control group. A factor ANOVA with a significant level of 5% (p < 0.05) was conducted to analyze the self-efficacy and performance data in acquisition and retention tests. The results showed that the goal-setting with the self-recording group has a higher self-efficacy and performance than the goal-setting without self-recording and the control groups in acquisition and retention test of basketball free throw. This research showed that a variety of goals can begin to combine and cause positive results in performance and learning. Self-recording is important for performance and self-efficacy and can be easily taught and used during physical education sessions.

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The aim of this study was to investigate the role of attention in skilled performance in real conditions, using a mixed-method study. Fourteen expert judo player participated in the study. The stimulated recall was used in the qualitative phase of the study to explore athletes’ attention in real competitive conditions. In the quantitative portion of the study, number and percentages of foci in preparation phase, execution phase, and total (preparation +execution) were associated with performance movement time. Our results indicated that while attention during execution phase was not associated with performance time, attention in the preparation phase was associated with better performance time. specifically, less attentional cues with higher percentages of focus on the opponent resulted in more quick performances. In conclusion, our findings demonstrate that focus on opponent during preparation phase is associated with superior technique execution during real competitions.

 

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Abstract
The purpose of this study was to examine the relationship between motor competence, cardiovascular fitness test and physical activity of adolescents with the role of mediation of perceived competence.  The research sample consisted of 386 adolescent boys. Perceived competence was measured using Physical Ability scale of the short form of the Marshall Self-Descriptive Questionnaire (2010). From the pedometer And physical activity questionnaire for older children was used to measure physical activity,  and using Bruininks-Oseretsky Test test for measuring motor competence and a 1600-meter test for cardiovascular fitness test. The results showed a significant correlation between motor competence, perceived competence, cardiovascular fitness test and physical activity. Perceived competence  mediates association between motor competence and physical activity, fitness and cardiovascular fitness test. Finally, the results of the model showed that perceived competence had the most impact on the participation of adolescent physical activity. Also, motor competence has a greater effect on cardiovascular fitness test than perceived competence. According to the results of the research, educational programs should be designed and designed according to the importance of motor competence and perceived competence to improve participation of physical activity and physical fitness of adolescents.
 

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The aim of this study was to investigate the influence of learning methods analogy  and explicit on the skill of the prediction service in volleyball at the time fatigue. To this purpose, 40 female students , with the range of age 18 to 24 years for the sample sampling and a simple random in four groups: learning to manifest peppy, learning explicit tired, learning analogy  peppy and learning analogy tired were divided. Participants of the group learn the analogy method of simulating skills and group learning explicit from the traditional method to performing the service, hammer, volleyball. To apply the fatigue protocol Lee Owens was used. Also, to predict the extent, accuracy, and speed of execution of the participants of the software super lab was used. Data were analyzed using the test of analysis of variance two-way analysis of was.  The results showed that, the effect of fatigue, the type of practice, and the interactive effect of fatigue - training on the speed prediction in the efforts to correct and the impact of fatigue , the type of training , and the interactive effect of fatigue-training  on the speed prediction in efforts mistake was not significant. But the interactive effect of fatigue - practice the accuracy of prediction in the efforts to correct the (p=0/002), and the effect of the type of exercises in the wrong attempts (P=0/019) was significant. According to the results it can be said that the effect of fatigue on the accuracy of prediction depends on the type of learning (learning analogy) is an adopted person.
 

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Few studies have investigated dimensions of attention out of laboratory settings. The aim of this study was to investigate the interaction between internal/external and associative and dissociative attention and its role in expert judo players’ technical performance during competition. mixed method approach with parallel-design was used. In the qualitative section of the study, expert judo players’ attentional strategy was explored using self-confrontation interviews. In the quantitative part of the study, differences between reported foci in successful versus unsuccessful trials was tested.  Analysis of interview transcripts revealed that expert judo players had more focus on external-associative dimension in both preparation and execution phases. In addition, results of chi-square test indicated a significant difference between judo players’ focus of attention in successful versus unsuccessful trials (p < 0.05) with more focus on external-associative attention in successful trials. In conclusion, while this study does not support use or advantages of dissociative attention in skilled performers, provided more support for constrained-action hypothesis as indicated more use and advantages of adopting an external-associative focus for expert level judo players.
 

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The purpose of this research was to investigate the structure of the ball behavior in the futsal teams during the offensive  phase. The type of research was observational and the data extracted from the 12 games in the training matches of the players of the futsal resistance team present at the Premier League matches of 97-98 were recorded and analyzed. Using the SOCNET software, the values of the cluster coefficient were calculated and using the MATLAB software, Shannon entropy values for each team were calculated. The results showed that by increasing the number of training sessions, the values of the cluster and entropy coefficient of Shannon increased in both teams and there is a moderate correlation between the values of the cluster coefficient and Shannon entropy was observed with the number of training sessions. In general, and according to the results of this study, the functional variability of ball behavior patterns increased with training and team experience, and the level of complexity and unpredictability of the team network increased. According to the sensitivity of the behavioral patterns of the ball to the effects of training, sport analyzers can use the information from this level of analysis to explain the team's synergistic behaviors in futsal teams.

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Purpose: Developing the Strategy Map and Prioritizing the Strategies of Developing Sports at National Iranian Gas Company throughISM and AHP approaches
Methodology: The present study has used a mixed methods approach (qualitative and quantitative), and it is an applied-developmental study in terms of purpose. Nine personswere selected as the members of the strategic council. The upstream documents, literaturereview and ideas of the members of strategic council were examined. The questionnaireswere distributed among the selected expertsand the data were collected after the confirmation of the questionnaire validity by university professors. At first, the experts determined the strategies of the company, through AHP method, resulting from the studies of strategic planning committee of the mentioned organization in terms of the mutual impacts, thenISM method was employed to identify the important relationships in developing the strategy map.
Findings: Sports strategy map is divided into five levels and the strategies for developing thehealth-basedplans and activities, enhancing the mutual interactions with the sports organizations and boosting the sports motivations and culture have been placedon the first level.
Conclusion: the results of AHP analysis employed to prioritize the strategies showed that the development of health-based sports activities, promotion of position and structure of sports affairs and boosting the sports motivations and culture are the three first sports strategies pursued by National Iranian Gas Company. 
Keywords: Strategy, Strategic Map, Analytical Hierarchy Process (AHP), Interpretative Structural Model (ISM)
 

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Obesity is associated with a variety of diseases and efforts to reduce its problems are important. The purpose of this study was to comparison the effects of local native games (game-based interventions) and selected motor-based interventions (skill-based interventions) on the fundamental movement skill of preschool-aged obese girls in Tehran. This study was a semi-experimental with a pretest-posttest design. Thirty obese girls were selected in a targeted way. They divided into control groups, selective motor and local native games interventions. World Health Organization charts were used to determine the rate of obesity and the TGMD-3 test was used to measure the fundamental motor skill. Experimental groups practiced two sessions in week and per session one hour for nine weeks. The control group performed their usual activities during this period. Data were analyzed using covariance analysis. The results showed that there was a significant difference between groups at post-test (p = 0.000); analysis of variance and LSD test were used to examine differences between groups. The results showed that there was a significant difference between skill-based and game-based intervention groups in the TGMD-3 test in displacement scores. Whereas skill-based intervention had more effect than game-based intervention (P = 0.04), but the effect of two training methods for ball skill on the TGMD-3 test was not significantly different (P = 0.71). Also, both training groups had more effect on the dependent variables than the control group (p <0.05). Based on the results of the present study, it seems that both interventions are effective in reducing motor problems in obese children as both groups performed better in posttest than control group. This confirms the role of physical activity in reducing obesity in obese people. However, it is better to use selected motor interventions in accordance with the results of this study for movement skills.

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This study aimed to investigate the role of mediator of overall and emotional satisfaction in the relationship between perceived value and behavioral intentions of spectators in the Premier League. This is an applied and correlational study with structural equation modeling approach.The statistical population consist of the spectators present at Azadi Stadium (96-97). A sample of 383 people was selected through Non-random voluntary sampling. For data collection, a standard questionnaire was used. SPSS and Smart PLS softwares were used for data analysis. The findings of the study showed that Perceived value indirectly has a significant relationship with emotional satisfaction on behavioral intentions and according to the VAF index, it can be concluded that emotional satisfaction has a %48 mediator role between perceived value and spectator’s behavioral intention. While the mediator role of overall satisfaction in relation between perceived value and behavioral intentions of spectators is not significant. The findings imply that emotional satisfaction plays an important role in shaping the behavioral intentions of the spectators, and that sport authorities and marketers can by appropriate planning, implement emotion-making agents for the satisfaction of the spectators. in order to reinforce the behavioral intention.

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The purpose of this study was to examine the role of structured conversation and observation on the effectiveness of the dyed practice on motivation and the accuracy in learning the skill of Golf putt. The research participants consisted of 40 female students randomly divided into four groups: observation-conversation, observation, conversation and control. Participants should hit the Golf ball to the target area. During the training period, subjects completed 60 acquisition attempts, 10 retention attempts to measure the participants’ motivation before the beginning of the training and before the acquisition and retention phases. one-way ANOVA and to examine the role of the mediator on the accuracy of the scores of execution Hayes test was used. The results showed that motivational values were significantly higher in conversation-observation group compared to other groups, and  also The mediation role of motivation was not significant in the implementation of acquisition and retention efforts. Regarding the results of this study, coaches are advised to consider both verbal and observational information sources in the presentation of dyed practice.

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The aim of this study was to determine the relationship between team identity and spectator flow with the atmosphere of the stadium and spectator loyalty. The research method is causal communication and the survey method is survey. The statistical population of the present study consists of 40,000 football spectators present at Azadi Stadium in the football match between Persepolis and Esteghlal Khuzestan in the 2017-2018 season. 384 of them were selected as the statistical sample of the study and the questionnaires were distributed among them as a non-random-voluntary sample. The research tools included James and Ross’s Team Identity Adjusted Questionnaire (2002), Csikszentmihalyi’s Stream Questionnaire (1990), Uhrich and Benkenstein’s Stadium Atmosphere Questionnaire (2012), and Mahoney et al.’s Spectators Loyalty Inventory (2000). The descriptive statistics and path analysis method were used in PLS software to analyze the data. The results showed that team identity and spectator flow with a path coefficient of 0.580 and 0.386, have a significant effect on the atmosphere of the stadium and also the three variables of stadium atmosphere, flow and team identity with path coefficients of 0.247, 0.248 and 0.428 have a positive effect on spectator loyalty. Based on the results of this study, it is suggested to the managers of clubs and stadiums to pay special attention to team identity and spectator flow in order to increase spectator loyalty and understand the appropriate atmosphere of the stadium.

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The process of talent identification attempts to guide people who are prone to sports that have the greatest chance of success on the basis of certain tests. This research was conducted with the aim of developing a strategic model of talent identification in Iranian Weightlifting. This study is a qualitative based on grounded theory. The statistical population was experts in power lifting and  purposeful sampling method was used. The data gathering tool was deep interview. In this study, qualitative analysis approaches including open, axial and selective coding were used to analyze the findings. In addition, all statistical operations were performed using Maxqda software version 12. The findings showed that the strategic model of scouting in weight lifting sports from the strengths and weaknesses of scouting structures, the principles of talent identification, the methods of talent identification, the attributes of methods of scouting, predisposing and deterrent factors of scouting activities, and Scouting goals are formed. According to the results of the research, it is suggested that the facilitators of the scouting process be strengthened more than before. Then it is necessary to benchmark other countries, provide facilities and tools, develop specialized experts in the field of talents and special schools for weight lifting.
 

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​Many studies have shown the effectiveness of verbal instructions and observational training on the improvement of children’s motor skills; however, there is not enough information about the simultaneous effects of these two variables. The aim of this study was to investigate the effect of attention instructions during observation of the model on gaze behavior and accuracy of overarm throwing in children. 24 children 7 to 10 years of age with normal growth selected purposefully and randomly divided into two internal and external attentions during modeling groups. Training in both groups included observation 10 times skilled model overarm throwing’s film with eye movement recording, with the difference that before it each group received its own instruction. The results of mix-ANOVA and paired and independent t-tests showed that both groups showed a significant increase from the pre-test to post-test in the accuracy (p=0.001; p=0.001) and duration of the quiet eye (p=0.005; p=0.001) of overarm throwing. In the post-test, the external attention during modeling group compared to the internal attention during modeling had significantly higher accuracy (p=0.01) and longer quiet eye duration (p=0.001). Also, the external attention during modeling had more percentage viewing time to relevant external cues (ball and trajectory). Therefore, directing visual attention to movement effect of observed pattern cause improvement in motor performance and visual-motor expertise in children.

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The main objective of this study was to provide a model of the underlying causes of the management of the relationship between physical education faculties and sport science and the executive branch of the sports industry. In order to collect information, deep interviews with the elite were conducted on the topic of research. Sampling was conducted purposefully and snowball method. Finally, 18 qualitative interviews were conducted. The findings were analyzed through coding method in three stages: open, axial and selective. The findings revealed 59 effective signs in the relationship management of faculties and the executive branch of the sports industry. These labels were categorized in 14 concepts including knowledge, organizational culture, government look, industrial thinking, scientific thinking, human resources, ethical aspects, trust / mediation unit, parallel management, laws and regulations, Media, capacity building, competitive space and communication management. Finally, the research model emerged from five main categories including culture, marketing, environment, insight, and trans-organization powers. According to the findings of the research, there are some executive strategies that can be used by sports managers in relation to the scientific management of the relationship between sports organizations.

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The purpose of present study was to investigate the role of motor learning strategies (linear, non-linear, and differential) in the experience of flow and clutch in beginner footballers. Participants (66, M age= 27.49 and SD =2.68) participated in this study voluntarily and based on inclusion and exclusion criteria. Participants practiced in three groups: linear, nonlinear, and differential, for three months, two sessions each week and each session one and a half hours. The study method was quantitative and qualitative. In the quantitative part, flow and clutch questionnaire was used and in the qualitative part a semi-structured interview was used. The results of Tukey showed nonlinear pedagogy was effective in flow experience and linear method in clutch experience (p<0.05). In the differential learning, flow was experienced more than linear method (p<0.05) and less than non-linear method (p>0.05). In the qualitative part, four factors of purpose, pleasure, effort and exploration are identified that support the results of the quantitative part. Based on the results of this study, nonlinear and differential methods are effective in the flow experience and linear method are effective in the clutch experience.

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The aim of this study was to compare the effect of training type (full-error and error-less) and skill level on the development of mental representation of putt golf skill. For this purpose, 44 undergraduate physical education students (22 women, 22 men; mean age 22.34 and standard deviation 4.37) were randomly divided into two groups: error-less (near-to-far) and full-error (far-to-near). The two groups practiced in the one-day acquisition phase of 3 blocks of 10 attempts for throwing distances (25, 50, 75, 100, 125, 150 and 200 cm). The error-less group started training from the closest distance to the goal and reached the farthest distance, respectively, but the full-error group started training from the farthest distance and finally reached the closest distance. At the end, they were tested immediately. One day after the acquisition phase, delayed retention tests, single task transfer (from a distance of 225 cm) and dual task transfer (from a distance of 200 cm simultaneously with audio playback) were performed. To compare the effect of error-less and full-error training on the acquisition, retention and transfer of putt golf skills, data analysis of the acquisition stage was analyzed by repeated measures analysis of variance (2×8). SDA-M test was used to measure the structure of mental representations formed in the two groups before and after the acquisition period, and hierarchical cluster analysis  0.05) was used to analyze the mental representations.  Our Findings showed significant functional changes in the post-exercise mental representation structure, suggesting that motor skills are associated with functional adaptation of action-related knowledge in long-term memory.

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In scientific marketing models, attention is the main step in the effectiveness of advertising. That's why, competition over attention to advertisement has been of prime importance for the sponsors and marketers. However, sport marketing research has not yet been able to gain a proper understanding of the factors that influence the viewer's attention to advertising while watching a sport event. Different methods of data collection and using different evaluation tools can also help managers and sponsors make the right decisions. This semi-experimental research has compared the methods of evaluating TV viewers' attention to advertising through sport. For this purpose, 60 targeted sampling in the form of two groups of women (n = 30) and men (n = 30) watched the football match between Esteghlal and Persepolis in a laboratory site. While samples were watching the football match, meantime designed advertisements were presented too, the viewer's eye information was stored by the eye tracker in the form of fixation and duration. In addition, at the end of the test, the participants' attention to advertising was evaluated using an attention questionnaire. Analysis of the findings showed that in evaluation of the viewer's attention to advertising by questionnaire; there is no difference between males and females. But in both of Eye Tracking variables, females paid more attention to advertising than males. Also, the correlation between the results of the questionnaire and the Eye Tracker was not significant. Finally, in order to achieve new results and to develop the advertising industry, as well as identifying the factors affecting the effectiveness of advertising, it is better to use neuromarketing tools as a complement to other methods of data collection (questionnaire, interview, observation).

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Video feedback is a type of augmented feedback that includes showing an athlete or performing a skill with a video clip of oneself or another person performing a particular skill. The aim of the present study was to determine the effectiveness of dyad training with video feedback on learning crawl swimming. For this purpose, 24 male students ranging in age from 11 to 17 years, who had no previous experience in learning crawl swimming, formed two groups of 12 people in dual practice and dyad training with video feedback. Both groups were first justified by the instructor, then in the double exercise group, one of the trainees entered the water and the other watched him perform out of the water, and after trying, they reviewed the mistakes and movements with their friend. in the dyad rehearsal group, one of the friends filmed another performance and showed it to him. The training intervention lasted for 8 sessions and 10 training attempts in each session. After the end of the eighth session, the 10-meter breast crawl swimming acquisition test was performed, and then a reminder test was performed again one week later and filmed. The results showed that the two groups had significant differences in both acquisition and retention, and the dyad training group with video feedback performed better overall. Based on the results, it can be concluded that the dyad training with video feedback method, in addition to being cost-effective in terms of energy consumption and training space, is also more effective than dyad training in swimming training.