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Predictors of cardiorespiratory endurance in martial arts athletes: A path analysis of body composition, hemoglobin, and motivation
Novanto Ponco Nugroho 1, Dani Nur Riyadi2, Aridhotul Haqiyah31. Universitas Islam 45 Bekasi , ID2. Universitas Islam 45 Bekasi , ID3. Universitas Islam 45 Bekasi , ID2025-07-01|page 83-94AbstractBackground: Cardiorespiratory endurance is vital to athletic performance, particularly in sports requiring sustained physical exertion such as martial arts.
Objectives: This study examined the predictive roles of body composition (BMI), hemoglobin concentration, and motivation on cardiorespiratory endurance among university-level martial arts athletes.
Methods: Using a quantitative path analysis design, data were collected from 20 purposively selected martial arts athletes who regularly trained. Cardiorespiratory endurance was assessed via the multistage fitness test, BMI was calculated using standard anthropometric measures, hemoglobin was measured using the Harenz scale, and motivation was evaluated with a validated Likert-scale questionnaire.
Results: The analysis showed that BMI (ρ = 0.705, t = 3.071, p = 0.007) and hemoglobin concentration (ρ = 0.946, t = 4.672, p < 0.001) had significant positive effects on cardiorespiratory endurance. Motivation, however, did not have a significant direct effect (ρ = 0.087, t = 0.853, p = 0.203). Additionally, BMI correlated positively with both hemoglobin (ρ = 0.923, p < 0.001) and motivation (ρ = 0.670, p = 0.034), suggesting indirect effects through physiological mechanisms.
Conclusions: The findings underscore that physiological indicators, specifically BMI and hemoglobin, are more critical predictors of aerobic capacity than psychological factors like motivation in this athletic population. Due to sport-specific demands, these results may not be generalizable to non-martial arts athletes. Future studies should incorporate additional mediators such as training intensity and account for potential self-report bias in motivation assessments.
APA Citation StyleNugroho , N. P. , Riyadi, D. N. , & Haqiyah, A. (2025). Predictors of cardiorespiratory endurance in martial arts athletes: A path analysis of body composition, hemoglobin, and motivation. Physical Education and Sports: Studies and Research, 83-94. https://doi.org/10.56003/pessr.v4i2.559 -
Associations of lower limb muscle strength and body reaction time with crescent kick performance in competitive pencak silat athletes
Jery Setiawan1, Siti Baitul Mukarromah21. State University of Semarang , ID2. State University of Semarang , ID2026-08-17|page 208-219AbstractBackground: Crescent kick performance is an important technical component of competitive pencak silat and may be associated with physical capacities such as lower limb muscle strength and reaction time. However, evidence regarding the relationships of these physical characteristics with crescent kick performance remains limited.
Objectives: This study aimed to examine the associations of lower limb muscle strength and body reaction time with crescent kick performance among competitive pencak silat athletes.
Methods: This quantitative correlational study involved 30 competitive pencak silat athletes (age: 19.8 ± 2.1 years; height: 168.4 ± 6.3 cm; body mass: 61.7 ± 8.2 kg; body mass index: 21.7 ± 2.3 kg/m²) recruited using total sampling. Lower limb muscle strength was assessed using a leg dynamometer, body reaction time using a reaction timer, and crescent kick performance using a 10-second crescent kick test. Data were analyzed using descriptive statistics, Pearson correlation, and multiple correlation analysis, with statistical significance set at p < .05.
Results: Lower limb muscle strength was positively associated with crescent kick performance (r = 0.734, p < .001), whereas body reaction time was negatively associated with crescent kick performance (r = -0.739, p < .001), indicating that shorter reaction times were associated with better kick performance. Multiple correlation analysis showed a strong combined association of lower limb muscle strength and body reaction time with crescent kick performance (R = 0.754, R² = 0.568, p < .001). Together, these variables accounted for 56.8% of the variance in crescent kick performance.
Conclusions: Greater lower limb muscle strength and shorter body reaction time were associated with better crescent kick performance among competitive pencak silat athletes. These findings highlight the relevance of muscular strength and neuromuscular responsiveness to crescent kick performance and may inform physical conditioning programs for pencak silat athletes. Further studies with larger samples and additional biomechanical, physiological, and technical measures are needed to better understand the factors associated with crescent kick performance.
APA Citation StyleSetiawan, J. , & Mukarromah, S. B. (2026). Associations of lower limb muscle strength and body reaction time with crescent kick performance in competitive pencak silat athletes. Physical Education and Sports: Studies and Research, 208-219. https://doi.org/10.56003/pessr.v5i2.762 -
The relationship between arm length and body mass index (BMI) with turbo-throwing performance in elementary school students
Awaliyah Riskyta Putri1, Siti Nurrochmah21. State University of Malang , ID2. State University of Malang , ID2025-07-01|page 115-124AbstractBackground: This research is motivated by insufficient scientific research that specifically examines the relationship between arm length and Body Mass Index (BMI) on turbo throwing performance in elementary school students, especially in preparation for the National Student Sports Olympics (O2SN).
Objectives: This study examines the relationship between arm length and BMI and the turbo-throwing performance of sixth-grade students of State Elementary School Bunulrejo 1 Malang in preparation for the National Student Sports Olympics (O2SN) in 2025.
Methods: The method used is a quantitative descriptive design with a correlational study. The study population comprised 71 male students, with a sample of 45 male students. The research instrument was a turbo-throwing basic motion performance test, arm length measurement, and Body Mass Index (BMI) measurement. The analysis technique uses inferential statistics in the form of multiple correlation analysis, which is complemented by multiple regression analysis.
Results: The results were obtained using inferential statistics through multiple correlation analysis. The results of the multiple correlation test obtained a coefficient value = 0.723 and Sig. P = 0.001 < a = 0.05, and the contribution of the variable effectiveness of arm's length to turbo-throwing performance is 46.3%, while BMI is 5.9%, so the variables arm length and BMI provide an effective contribution of 52.2%.
Conclusions: Arm length and BMI significantly influence turbo-throwing performance. Arm length is the most dominant factor. These results can be a reference for teachers and coaches when selecting O2SNs and coaching athletes at the basic education level. Future researchers are expected to examine other variables that have not been studied to provide a more comprehensive picture of turbo-throwing performance.
APA Citation StylePutri, A. R. , & Nurrochmah, S. (2025). The relationship between arm length and body mass index (BMI) with turbo-throwing performance in elementary school students. Physical Education and Sports: Studies and Research, 115-124. https://doi.org/10.56003/pessr.v4i2.563 -
Low-impact specialized pilates is better than low intensity steady state for increasing fitness level
Laily Mita Andriana1, Kunjung Ashadi2, Fransisca Januarumi Marhaendra Wijaya3, Muhamad Fauzi Antoni41. Universitas Negeri Surabaya , ID2. Universitas Negeri Surabaya , ID3. Universitas Negeri Surabaya , ID4. Universitas Negeri Surabaya , ID2025-07-13|page 139-151AbstractBackground: Elderly individuals with disabilities often face challenges in maintaining physical fitness, highlighting the need for effective and appropriate exercise methods tailored to their limitations.
Objectives: This study compares the effectiveness of low-impact specialized Pilates and Low-Intensity Steady-State (LISS) exercise in improving fitness levels among older adults with mild to moderate disabilities. The unique advantage of Pilates in enhancing balance and core strength is presented as a novel contribution.
Methods: A quasi-experimental design with pre-test and post-test assessments was employed, involving 40 elderly participants with disabilities divided into two intervention groups over 8 weeks. Participants were selected through purposive sampling based on the inclusion criteria of 60–75 years with mild to moderate disabilities. Fitness levels were assessed using the Senior Fitness Test, which evaluates muscular strength, balance, flexibility, and aerobic capacity.
Results: Data analysis was conducted using the Shapiro–Wilk test, paired sample t-test, and independent sample t-test. The results demonstrated that the low-impact specialized Pilates group showed significant improvements in core strength, balance, and flexibility, whereas the LISS group exhibited greater improvements in aerobic capacity.
Conclusions: In conclusion, low-impact specialized Pilates is more effective in enhancing overall fitness among elderly individuals with disabilities. Therefore, it is recommended as a suitable exercise modality for rehabilitation and health maintenance programs to improve this population's quality of life and functional independence.
APA Citation StyleAndriana, L. M. , Ashadi, K. , Wijaya, F. J. M. , & Antoni, M. F. (2025). Low-impact specialized pilates is better than low intensity steady state for increasing fitness level. Physical Education and Sports: Studies and Research, 139-151. https://doi.org/10.56003/pessr.v4i2.575 -
The association between healthy dietary habits and physical fitness among junior high school students: A rural school case study
Moch. Yunus1, Yulingga Nanda Hanief2, Muhammad Putra Ramadhan3, Erika Ayu Sylvianingrum41. State University of Malang , ID2. State University of Malang , ID3. State University of Malang , ID4. State University of Malang , ID2025-12-30|page 344-354AbstractBackground: The health conditions of the community, particularly in relation to the physical fitness of junior high school students, require serious attention, especially in rural areas that differ significantly from urban areas. Previous research findings on dietary patterns and physical fitness still show inconsistent results.
Objectives: This study aims to investigate the relationship between healthy eating habits and physical fitness among junior high school students residing in rural areas.
Methods: This study used a quantitative design with a cross-sectional approach. The research subjects consisted of 27 students from public junior high schools in rural areas, selected through a balanced stratified random sampling process that involved all grade levels. Eating habits were measured using a 24-hour food recall, as it is an effective method for monitoring food intake over a short period. Physical fitness was measured using the Nusantara Student Fitness Test (TKPN), a national standard instrument. Data analysis was performed using descriptive statistics, Spearman's correlation, and linear regression.
Results: Most of the study participants were underweight with varied eating patterns. The analysis results showed no significant relationship between physical fitness and healthy eating patterns, as indicated by a correlation coefficient of 0.061 and a p-value of 0.764. The small effect size suggests that eating patterns did not have a significant impact on fitness levels in this group of participants.
Conclusions: The study shows that rural junior high school students achieve their physical fitness through exercise and their exercise-rest patterns and their inherited characteristics rather than their diet.APA Citation StyleYunus, M. , Hanief, Y. N. , Ramadhan, M. P. , & Sylvianingrum, E. A. (2025). The association between healthy dietary habits and physical fitness among junior high school students: A rural school case study. Physical Education and Sports: Studies and Research, 344-354. https://doi.org/10.56003/pessr.v4i3.665 -
Body Composition Analysis Junior Basketball Players
Nur Luthfiatus Solikah1, Heri Wahyudi2, Achmad Widodo3, Awang Firmansyah4, Jagat Shine Muarif5, Asep Aziz Muslim61. Universitas Negeri Surabaya , ID2. Universitas Negeri Surabaya , ID3. Universitas Negeri Surabaya , ID4. Universitas Negeri Surabaya , ID5. Universitas Negeri Surabaya , ID6. Universitas Negeri Surabaya , ID2024-10-25|page 126-136AbstractBackground: Athletes must maintain top physical condition to compete, with body composition a crucial indicator. Skeletal muscle mass and body fat are related to performance, with a lower fat percentage increasing physical ability. Nutritional needs also play a role, where athletes consume carbohydrates for 60-70% of their energy. These factors are essential for optimal performance and overall health.
Objectives: This study aimed to investigate the body composition of junior basketball athletes regarding gender.
Methods: This study employed a rigorous cross-sectional research design to analyze the body composition measurements of elite athletes and junior basketball players. The participants were carefully selected based on age, injury history, national-level achievements, and recent injury training. A total of 24 junior basketball athletes, evenly split between elite junior male and female athletes, participated in the test. The data was meticulously analyzed using Minitab software and the T-test to determine gender differences, ensuring the validity and reliability of the results.
Results: The athletes were aged 16-17, weighing 50-65 kg to 95-108 kg. They had BMI characteristics of 8.3% underweight, 79.2% normal, 12.5% overweight, and 0% obese. Significant differences were found in body composition characteristics for each gender. The T-test results show significant differences between the variables with a P value <0.05.
Conclusion: They indicate that female basketball athletes tend to have a higher fat percentage, while male athletes typically possess significantly greater muscle mass. These insights can be instrumental in developing gender-specific training and nutrition programs, thereby enhancing the performance and health of junior basketball athletes.
APA Citation StyleSolikah, N. L. , Wahyudi, H. , Widodo, A. , Firmansyah, A. , Muarif, J. S. , & Muslim, A. A. (2024). Body Composition Analysis Junior Basketball Players. Physical Education and Sports: Studies and Research, 126-136. https://doi.org/10.56003/pessr.v3i2.382 -
Associations between physical activity intensity and motor balance in elementary school students: A sequential explanatory mixed-methods study
Fahrurrohman Firdaus1, Indra Safari2, Rizal Ahmad Fauzi31. Indonesian University of Education , ID2. Indonesian University of Education , ID3. Indonesian University of Education , ID2026-04-01|page 47-56AbstractBackground: Children in primary school are becoming more sedentary due to advances in digital technology, which may reduce their physical activity levels. The development of motor skills, especially balance, which is an essential feature of children's motor abilities, can be impacted by a lack of physical activity.
Objectives: This study aimed to examine the association between physical activity intensity and motor balance in elementary school students.
Methods: This study used a sequential explanatory mixed-methods design. The quantitative phase involved 50 students selected using saturated sampling, while the qualitative phase involved teachers and students selected purposively. Physical activity intensity was measured using the Physical Activity Questionnaire for Older Children (PAQ-C), while motor balance was assessed using the Balance Beam Test. Quantitative data were analyzed using Spearman's rank correlation, and qualitative data were analyzed using thematic analysis in NVivo.
Results: With a correlation coefficient of r = 0.687 and p < 0.05, the analysis demonstrated a strong, substantial positive link between motor balance levels and physical activity intensity. The intensity of physical activity accounted for 47.2% of motor balance. Qualitative research revealed that students with high levels of physical activity were more likely to engage in active play, such as running outside, cycling, and soccer, which, in turn, indirectly improve balance and postural stability.
Conclusions: This study demonstrates that physical activity intensity plays an important role in the development of motor balance among elementary school students. These findings highlight the importance of integrating active movement-based learning strategies in physical education programs.
APA Citation StyleFirdaus, F. , Safari, I. , & Fauzi, R. A. (2026). Associations between physical activity intensity and motor balance in elementary school students: A sequential explanatory mixed-methods study. Physical Education and Sports: Studies and Research, 47-56. https://doi.org/10.56003/pessr.v5i1.706 -
Performance determinants in tropical trail running: Race result analysis of the 5K and 10K Merapi Merbabu de Trail 2025
Siti Baitul Mukarromah1, Sugiarto Sugiarto2, Gustiana Mega Anggita3, Sri Agus Budi Santoso4, Sangheon Park5, Ambar Dwi Erawati6, Rikha Liemiyah7, Aziiz Mardanarian Rosdianto8, Ronny Lesmana9, Faisyal Syofian101. State University of Semarang , ID2. State University of Semarang , ID3. State University of Semarang , ID4. Tarra Adventure, Boyolali Regency, Central Java Province , ID5. Korea Institute of Sport Science, Seoul , KR6. Widya Husada Semarang University , ID7. Universitas Dian Nuswantoro , ID8. Universitas Padjajaran , ID9. Universitas Padjajaran , ID10. Sultan Agung Islamic University , ID2026-04-03|page 82-92AbstractBackground: The limited research on the determinants of performance in short-distance trail running in tropical environments is a major problem in understanding the influence of environmental conditions on runners' performance and pacing strategies.
Objectives: This study aimed to examine the influence of race distance, sex, and age on trail running performance in the 5K and 10K categories of the Merapi Merbabu de Trail 2025.
Methods: A retrospective observational race result analysis was conducted using official race data from the Merapi Merbabu de Trail 2025. The study included 429 runners (5K: n = 144; 10K: n = 285), consisting of 275 male and 154 female participants. The primary outcome variable was finish time (in minutes), while the independent variables included race, distance, sex, and age. Statistical analyses were performed using SPSS version 26, including descriptive statistics, independent-samples t-tests, Cohen’s d effect sizes, and multiple linear regression to evaluate predictors of performance.
Results: Results showed a significant difference in performance between race distances. The mean finish time for the 5K category was 152.8 ± 44.3 minutes, while the 10K category averaged 306.1 ± 74.3 minutes (t = -26.68, p < 0.001, Cohen’s d = 2.50). Male runners completed the 10K race faster than female runners (293 vs. 345 minutes). Regression analysis indicated that finish time increased by approximately 2–3 minutes per year of age, indicating a progressive decline in performance with increasing age.
Conclusions: These findings indicate that race distance, sex, and age are significant determinants of trail running performance in tropical environments.APA Citation StyleMukarromah, S. B. , Sugiarto, S. , Anggita, G. M. , Santoso, S. A. B. , Park, S. , Erawati, A. D. , Liemiyah, R. , Rosdianto, A. M. , Lesmana, R. , & Syofian, F. (2026). Performance determinants in tropical trail running: Race result analysis of the 5K and 10K Merapi Merbabu de Trail 2025. Physical Education and Sports: Studies and Research, 82-92. https://doi.org/10.56003/pessr.v5i1.699 -
Development and validation of a table tennis serve skill assessment instrument for junior high school students: A psychometric approach
Muhammad Aliffajaruddin Alfani1, M. E. Winarno2, Siti Nurrochmah31. State University of Malang , ID2. State University of Malang , ID3. State University of Malang , ID2025-07-01|page 95-102AbstractBackground: The highest assessment weight in physical education lessons lies in psychomotor skills. In order to find out how far the competencies possessed by students, a clear and comprehensive assessment tool or instrument is needed.
Objectives: The research aims to develop a test instrument for forehand and backhand service skills in table tennis small ball games.
Methods: The development of this instrument uses a research and development scheme, with predetermined steps (1) determining objectives, (2) analyzing literature, (3) developing specifications, (4) administering, (5) conducting tests, (6) analyzing data validity, reliability, and objectivity. The cluster sampling procedure was conducted on students aged 13-15 who met the inclusion criteria, involving junior high school students (n=80), consisting of 41 female students and 39 male students. Data were analyzed using IBM SPSS Statistics version 11.0. The basis for decision-making is the Pearson correlation test. The analysis technique in the reliability test uses a test and retest external estimation approach.
Results: The forehand serve variable has a calculated r-value of 0.456> r-table 0.312, and the backhand serve variable obtained a calculated R-value of 0.352> r-table 0.312, so the table tennis skill instrument on that variable was declared valid. At the same time, the reliability test shows a value above 0.70; the instrument that has been prepared can be declared reliable.
Conclusions: The assessment instrument for forehand and backhand serve skills in table tennis games for junior high school students has met the validity and reliability criteria. This shows that the instrument is suitable for teachers as an objective and consistent measuring tool in evaluating basic table tennis skills in students. Recommendations for future studies are encouraged to expand the sample size and integrate digital features to enhance the scalability and objectivity of the assessment.
APA Citation StyleAlfani, M. A. , Winarno, M. E. , & Nurrochmah, S. (2025). Development and validation of a table tennis serve skill assessment instrument for junior high school students: A psychometric approach. Physical Education and Sports: Studies and Research, 95-102. https://doi.org/10.56003/pessr.v4i2.525 -
Structural relationships between service quality, communication, motivation, and athlete satisfaction in basketball Indonesia
Fajar Gumilang H.M1, Agung Nugroho2, Rumpis Agus Sudarko3, Fauzi Fauzi4, Fajar Sriwahyuniati51. Yogyakarta State University , ID2. Yogyakarta State University , ID3. Yogyakarta State University , ID4. Yogyakarta State University , ID5. Yogyakarta State University , ID2026-04-09|page 113-124AbstractBackground: Many basketball clubs aim to enhance athlete satisfaction through service quality, communication, and motivation; however, empirical evidence validating these factors as measurable constructs remains limited.
Objectives: This study examines whether these variables function as latent constructs influencing athlete satisfaction and validates their measurement structure using confirmatory factor analysis.
Methods: This study used a quantitative survey and included 263 basketball athletes from various clubs in Sidoarjo, comprising 110 males and 153 females. The participant characteristics focused on players still in the developmental stage who had been actively participating in club training programs for 3 to 6 months, with educational levels ranging from junior high school to college. Participants were selected using purposive sampling. Data were collected using a valid and reliable Likert-scale questionnaire and analyzed using Structural Equation Modeling (SEM) via AMOS 22.
Results: The results demonstrate that service quality (β=0.337, ????=0.000) and communication (β=0.439, ????=0.000) significantly enhance motivation. Furthermore, motivation significantly affects athlete satisfaction (β = 0.582, ???? = 0.000). Crucially, the analysis confirms that motivation mediates the relationship between service quality (indirect effect=0.139) and communication (indirect effect=0.240) on satisfaction.
Conclusions: Theoretically, this study confirms motivation as a vital psychological mediator linking managerial inputs to athlete satisfaction. In practice, the findings demonstrate that while high-quality physical facilities provide a necessary structural foundation, they must be integrated with effective, supportive coaching communication to optimally ignite athletes' intrinsic drive and maximize their overall club experience.APA Citation StyleH.M, F. G. , Nugroho, A. , Sudarko, R. A. , Fauzi, F. , & Sriwahyuniati, F. (2026). Structural relationships between service quality, communication, motivation, and athlete satisfaction in basketball: Indonesia. Physical Education and Sports: Studies and Research, 113-124. https://doi.org/10.56003/pessr.v5i1.691 -
Performance anxiety among student table tennis players
Yumna Wahyuningsih1, Ibnu Fatkhu Royana2, Galih Dwi Pradipta31. Universitas PGRI Semarang , ID2. Universitas PGRI Semarang , ID3. Universitas PGRI Semarang , ID2025-12-18|page 318-331AbstractBackground: Anxiety is a common psychological factor that significantly affects athletic performance, especially in competitive settings. Student-athletes face dual pressures from academic responsibilities and athletic commitments, making them vulnerable to performance anxiety that can impair focus, concentration, and decision-making.
Objectives: This study aims to analyze performance anxiety among table tennis athletes in the Student Activity Unit (UKM) of Universitas PGRI Semarang and to examine differences in performance evaluation outcomes based on sources from internal and external factors.
Methods: A comparative quantitative design with a cross-sectional approach was used. Fifty athletes participated (n=25 assessed by internal factors, n=25 assessed by external factors). Anxiety/performance was measured using a self-report questionnaire consisting of 15 Likert-scale items (1-5 scale) validated by three sport psychology experts. Data were analyzed using one-way ANOVA after confirming normality (Shapiro-Wilk test) and homogeneity (Levene's test).
Results: The internal group had a higher mean score (M = 3.64, SD = 0.86) compared to the external group (M = 3.07, SD = 0.86). ANOVA revealed a statistically significant difference, F(1,48) = 4.92, p = 0.031, η² = 0.093, with an estimated Cohen's d of approximately 0.66, indicating a medium effect size. These findings indicate that anxiety factors affect athletes' performance, with internal factors tending to score higher than external factors.
Conclusions: This study concludes that anxiety affects the performance of table tennis athletes in the Student Activity Unit (UKM) at Universitas PGRI Semarang. Specifically, internal factors such as self-confidence and perfectionism have been proven to have a greater impact than external factors.APA Citation StyleWahyuningsih, Y. , Royana, I. F. , & Pradipta, G. D. (2025). Performance anxiety among student table tennis players. Physical Education and Sports: Studies and Research, 318-331. https://doi.org/10.56003/pessr.v4i3.618












