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The relationship between limb length and lower-limb explosive power on squat-style long jump performance in junior secondary students
Karina Octaviani1, Siti Nurrochmah21. State University of Malang , ID2. State University of Malang , ID2025-07-01|page 103-114AbstractBackground: To determine the relationship between leg length and leg muscle explosive power with squat style long jump performance applied to junior high school students.
Objectives: This study examines the relationship between leg length, leg muscle explosive power, and the ability to jump squatting style long.
Methods: The method used is a quantitative descriptive design with a correlational study. The study population amounted to 60 male students in class VIII. Sampling using the Purposive Proportional Systematic Random Sampling technique amounted to 45 students. The collected data were analyzed using three prerequisite tests: data normality test, homogeneity test, and linearity test. After fulfilling the prerequisite test requirements, it can be continued with 4 hypothesis tests, product moment test, multiple correlation test, regression equation line, and practical contribution and relative contribution.
Results: The data obtained using inferential statistics in multiple correlation analysis is complemented by multiple regression analysis. The results of the multiple correlation test obtained a coefficient = 0.687 and Sig. P = 0.001 < a = 0.05.
Conclusions: The study concludes a positive and linear relationship between leg length and leg muscle explosive power with squat-style long jump performance. Based on these findings, further research is recommended to explore additional variables such as speed, flexibility, and confidence, which may influence squat-style long jump performance.
APA Citation StyleOctaviani, K. , & Nurrochmah, S. (2025). The relationship between limb length and lower-limb explosive power on squat-style long jump performance in junior secondary students. Physical Education and Sports: Studies and Research, 103-114. https://doi.org/10.56003/pessr.v4i2.561 -
Impact of plyometric training using step-up and lateral box jumps on the improvement of leg muscle power in youth school futsal athletes
Risky Sandy Kurniawan1, Donny Anhar Fahmi2, Setiyawan Setiyawan31. Universitas PGRI Semarang , ID2. Universitas PGRI Semarang , ID3. Universitas PGRI Semarang , ID2025-08-15|page 212-221AbstractBackground: Futsal is a high-intensity sport that requires leg muscle power, especially in aerial duels, anticipating the ball, and performing powerful kicks. Limited jumping ability can reduce leg muscle power and overall performance.
Objectives: This study aims to test the impact of plyometric training using step-up and lateral box jumps on the improvement of leg muscle power in youth school futsal athletes.
Methods: A quasi-experimental single-group pretest-posttest design was conducted with 40 male participants over a four-week plyometric training program. Leg muscle power was measured using a vertical jump test before and after the intervention. Data were analyzed using a t-test with the assistance of SPSS.
Results: Both step-up and lateral box jumps significantly increased leg muscle power (p < 0.05). The step-up group showed an average increase of 4.20 cm, while the lateral box jump group showed an average increase of 3.45 cm, with no statistically significant difference (p = 0.326).
Conclusions: Both training methods effectively enhance leg muscle power and can be integrated into school-based futsal training programs to improve performance.
APA Citation StyleKurniawan, R. S. , Fahmi, D. A. , & Setiyawan, S. (2025). Impact of plyometric training using step-up and lateral box jumps on the improvement of leg muscle power in youth school futsal athletes. Physical Education and Sports: Studies and Research, 212-221. https://doi.org/10.56003/pessr.v4i2.611 -
Effect of High Heeled Shoe Sole to the Vertical Jump Performance of Volleyball Women Student Athletes
Arjay Maiquez Olivar1, Jomel Nasayao Reyes2, John Paul Taguba Balisi3, Teejay Dela Cueva Panganiban41. Batangas State University TNEU JPLPC-Malvar, 4233, Philippines , PH2. Batangas State University TNEU JPLPC-Malvar, 4233, Philippines , PH3. Batangas State University TNEU JPLPC-Malvar, 4233, Philippines , PH4. Batangas State University TNEU JPLPC-Malvar Campus , PH2024-10-25|page 116-125AbstractBackground: The study investigates the effect of wearing high heeled shoe soles on the vertical jump performance of volleyball women student athletes compared to their performance in standard footwear. This research aims to address the problem of whether high heeled shoe soles negatively affect vertical jump ability, which is a critical factor in their sport performance.
Objectives: This study investigated the influence of high heeled shoe soles on female volleyball athletes' vertical leap performance.
Methods: Using a quasi-experimental design, the study included 15 female volleyball student-athletes from Batangas State University TNEU JPLPC-Malvar Campus in 2023-2024. Participants performed vertical jump tests under two conditions—wearing high heeled shoe soles and standard footwear—over two weeks, with three attempts per condition. Paired t-tests assessed performance differences between the two footwear types.
Results: Results indicated that wearing high heeled shoe soles significantly improved jump heights, with average increases of 2.13 inches initially and 3.6 inches in post-tests. Statistical analysis yielded t-test values of 35.87 for pre-performance and 697.14 for post-performance, both showing significant gains.
Conclusion: The study concludes that high heeled shoe soles positively influence vertical jump performance in female volleyball athletes, suggesting that this footwear could enhance athletic outcomes.
APA Citation StyleOlivar, A. M. , Reyes, J. N. , Balisi, J. P. T. , & Panganiban, T. D. C. (2024). Effect of High Heeled Shoe Sole to the Vertical Jump Performance of Volleyball Women Student Athletes. Physical Education and Sports: Studies and Research, 116-125. https://doi.org/10.56003/pessr.v3i2.369 -
An analysis of anxiety levels among volleyball athletes during a provincial inter-club tournament in Jakarta, Indonesia
Rea Rizkita Raga1, Yunita Lasma21. Universitas Islam 45 Bekasi , ID2. Universitas Islam 45 Bekasi , ID2025-07-27|page 175-185AbstractBackground: Competitive anxiety is a key psychological factor that can significantly affect an athlete's performance. In volleyball, high-pressure situations often lead to anxiety, potentially hindering players' ability to perform optimally.
Objectives: This study aims to assess the levels of anxiety experienced by volleyball athletes competing in the Special Capital Region Jakarta Inter-Club Provincial Championship.
Methods: A descriptive quantitative design was used, with data collected through a survey involving 70 volleyball athletes. The instrument used was a 35-item anxiety questionnaire categorized into two phases: before the match (18 items) and during the match (17 items). Responses were measured using a 5-point Likert scale. Validity testing confirmed all items were valid, and the instrument showed high reliability (α = 0.954), as analyzed using SPSS 23.
Results: During the match, 35.7% of athletes experienced high anxiety, while 64.3% showed low anxiety. Prior to the match, 44.3% reported high anxiety and 55.7% reported low anxiety. Overall, 36.6% of athletes showed high anxiety levels, while 61.4% displayed low levels. These results indicate that most athletes have relatively good emotional regulation abilities in competitive situations.
Conclusions: The study underscores the critical role of psychological readiness in athletic performance. Coaches and policymakers are encouraged to integrate structured mental training programs into athlete development. Future research should explore variables contributing to anxiety, such as playing position, competitive experience, and demographic factors like age and gender.
APA Citation StyleRaga, R. R. , & Lasma, Y. (2025). An analysis of anxiety levels among volleyball athletes during a provincial inter-club tournament in Jakarta, Indonesia. Physical Education and Sports: Studies and Research, 175-185. https://doi.org/10.56003/pessr.v4i2.605 -
Effectiveness of adding single leg hop training to wobble board training in improving dynamic balance and lower limb explosive power in 13–14-year-old basketball players: A randomized controlled trial
Lanang Imam Herlambang1, I Made Muliarta2, Wahyuddin Wahyuddin31. Master's Program in Sport Physiology, Faculty of Medicine, Universitas Udayana , ID2. Master's Program in Sport Physiology, Faculty of Medicine, Universitas Udayana , ID3. Faculty of Physiotherapy, Universitas Esa Unggul , ID2026-09-07|page 248-263AbstractBackground: Dynamic balance and lower-limb explosive power are important for youth basketball performance. Wobble board training may improve postural control, while single leg hop exercises may provide additional benefits through dynamic unilateral loading. However, evidence regarding their combined effects in adolescent basketball players remains limited.
Objective: To determine whether adding single leg hop training to wobble board training produces greater improvements in dynamic balance and lower-limb explosive power than wobble board training alone in 13–14-year-old basketball players.
Methods: This randomized controlled trial included 40 players randomly allocated (1:1) to wobble board training (control; n = 20) or combined wobble board and single leg hop training (experimental; n = 20). Both groups trained for six weeks, three 30-minute sessions per week. Dynamic balance (primary outcome) and lower-limb explosive power (secondary outcome) were assessed using the Y-Balance Test (YBT) and Vertical Jump Test (VJT), respectively. Within- and between-group changes were analysed using paired- and independent-samples t-tests (α = 0.05).
Results: All participants completed the intervention. Both groups improved significantly in YBT and VJT performance (p < 0.001). The experimental group showed greater improvements in YBT (mean change: 15.32 vs 5.23 cm; mean difference = 10.08 cm; 95% CI [7.73, 12.43]; p < 0.001; d = 2.75) and VJT (5.75 vs 0.82 cm; mean difference = 4.94 cm; 95% CI [4.22, 5.66]; p < 0.001; d = 4.41).
Conclusion: Adding single leg hop training to wobble board training produced greater improvements in dynamic balance and lower-limb explosive power. However, the findings do not establish an isolated single-leg-hop effect or injury-prevention benefit.
APA Citation StyleHerlambang, L. I. , Muliarta, I. M. , & Wahyuddin, W. (2026). Effectiveness of adding single leg hop training to wobble board training in improving dynamic balance and lower limb explosive power in 13–14-year-old basketball players: A randomized controlled trial. Physical Education and Sports: Studies and Research, 248-263. https://journal.rezkimedia.or.id/pes/article/view/760
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