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A comparison of VO₂max response of 15-year-old soccer athletes based on training time in the tropical climate of Bima
Firdaus Firdaus1, Taty Hartati2, Rabwan Satriawan3, Shutan Arie Shandi4, Nor Fazila Abd Malek51. Department of Physical Education, STKIP Taman Siswa Bima , ID2. Department of History, STKIP Taman Siswa Bima , ID3. Department of Physical Education, STKIP Taman Siswa Bima , ID4. Department of Physical Education, STKIP Taman Siswa Bima , ID5. Faculty of Sports Science and Coaching, Sultan Idris Education University , MY2026-04-14|page 125-134AbstractBackground: VO₂max is the primary indicator of a soccer athlete's aerobic capacity, but in tropical climates like Bima, high temperatures and humidity can affect VO₂max achievement. Hence, the timing of training is an important factor to consider.
Objectives: This study aims to analyze differences in VO₂max across training times (morning and afternoon) in 15-year-old youth soccer athletes from the Bima Football Association (PERSSEBI).
Methods: The study used a quantitative, comparative, cross-sectional observational design. The study subjects were 45 athletes (age 15.31±0.46; height 163.12±4.35 cm; weight 55.28±3.67 kg; and body mass index (BMI) 20.78±1.18 kg/m²) from the Bima Football Association (PERSEBI), selected by purposive sampling, and divided into morning (n=23) and afternoon (n=22) training groups. VO₂max was measured using a multistage fitness test (Bleep Test). Data analysis included descriptive statistics, the Shapiro–Wilk normality test, the Levene homogeneity test, and the independent-samples t-test at a significance level of 0.05, using IBM SPSS 25.
Results: The descriptive analysis showed that the average VO₂max of the morning group was 43.78 ± 2.34 ml/kg/minute, higher than that of the afternoon group (42.91 ± 2.29 ml/kg/minute). The results of the independent sample t-test showed that there was a significant difference in VO₂max between the two groups with a t value = 2.14 with df = 43 and a significant p value = 0.04 (p < 0.05) with an average difference of 0.87 ml/kg/minute indicating that the morning exercise group had a higher Vo2max value than the afternoon exercise group.
Conclusions: These findings suggest that training time contributes to differences in athletes' VO₂max values in tropical environments, with morning training resulting in higher performance than afternoon training. Therefore, scheduling training that accounts for environmental conditions is crucial for optimizing athletes' VO₂max.
APA Citation StyleFirdaus, F. , Hartati, T. , Satriawan, R. , Shandi, S. A. , & Malek, N. F. A. (2026). A comparison of VO₂max response of 15-year-old soccer athletes based on training time in the tropical climate of Bima. Physical Education and Sports: Studies and Research, 125-134. https://doi.org/10.56003/pessr.v5i1.709 -
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 -
Functional movement patterns and bilateral asymmetry in badminton athletes: A Functional Movement Screen analysis at the Malang Regional Training Center
Avi Kholifatuz Zahro'1, Muhammad Atiq Noviudin Pritama21. State University of Malang , ID2. State University of Malang , ID2026-08-17|page 196-207AbstractBackground: Badminton involves repetitive unilateral overhead movements, rapid changes of direction, and explosive actions that may contribute to side-to-side differences in functional movement patterns.
Objectives: This study aimed to describe functional movement patterns and bilateral asymmetry among badminton athletes at the Malang Regional Training Center using the Functional Movement Screen (FMS).
Methods: This cross-sectional study involved 16 sub-elite badminton athletes aged 15–20 years selected through purposive sampling. Functional movement was assessed using the seven-component FMS. Total scores were classified as high (≤14), moderate (15–17), or low (18–21) injury risk. Bilateral asymmetry was identified from differences between right- and left-side scores in five bilateral FMS components. Data were analyzed descriptively using means, standard deviations, frequencies, and percentages.
Results: Most athletes (62.5%, n = 10) were classified as having moderate injury risk, while 18.75% (n = 3) were classified as high risk and 18.75% (n = 3) as low risk. Shoulder Mobility showed the highest prevalence of bilateral asymmetry (100%, n = 16), followed by the In-Line Lunge and Rotary Stability (62.5%, n = 10 each), Hurdle Step (50.0%, n = 8), and Active Straight Leg Raise (43.75%, n = 7).
Conclusions: Bilateral functional movement asymmetry was common among badminton athletes, particularly in shoulder mobility, while most athletes were classified within the moderate injury-risk category. These findings support functional movement screening to identify movement limitations and inform individualized corrective exercise strategies.
APA Citation StyleZahro', A. K. , & Pritama, M. A. N. (2026). Functional movement patterns and bilateral asymmetry in badminton athletes: A Functional Movement Screen analysis at the Malang Regional Training Center. Physical Education and Sports: Studies and Research, 196-207. https://doi.org/10.56003/pessr.v5i2.756 -
Weightlifting coaches' and athletes' understanding of injury prevention programs: a case study of Lumajang and Malang
Muhammad Izzan Atmagara1, Yulingga Nanda Hanief21. State University of Malang , ID2. State University of Malang , ID2025-09-21|page 222-235AbstractBackground: Weightlifting is a high-intensity sport with a high risk of injuries due to improper technique, insufficient warm-up, and excessive training loads.
Objectives: This study explores the understanding, strategies, and barriers of weightlifting coaches and athletes in Lumajang District and Malang City related to implementing injury prevention programs in performance sports.
Methods: This study used a qualitative case study approach. Participants were selected using purposive sampling, consisting of weightlifting coaches with at least one year of experience and athletes who had trained and competed at the regional level. Data were collected through interviews, observations, and document analysis, while data were analyzed using the Miles and Huberman model, including reduction, presentation, and conclusion.
Results: The results showed that coaches and athletes emphasized dynamic warm-ups, core and back strengthening exercises, and correct lifting techniques as the main strategies to prevent injuries. However, limitations in facilities, literature access, and training variety were identified as barriers to implementing optimal injury prevention programs.
Conclusions: This study concludes that effective injury prevention in weightlifting requires structured warm-up routines, individualized training programs, and adequate supporting equipment. Strengthening coaches’ knowledge and providing better facilities are crucial to minimize injuries and enhance athlete performance.APA Citation StyleAtmagara, M. I. , & Hanief, Y. N. (2025). Weightlifting coaches' and athletes' understanding of injury prevention programs: a case study of Lumajang and Malang. Physical Education and Sports: Studies and Research, 222-235. https://doi.org/10.56003/pessr.v4i2.601 -
Medical observations and injury analysis: All Girls Touch Rugby Championship 2024
Mohamad Nizam Nazarudin1, Yong Qin Tan2, Ardo Okilanda3, Yovhandra Ockta4, Reshandi Nugraha51. National University of Malaysia , MY2. National University of Malaysia , MY3. State University of Padang , ID4. Universitas Teuku Umar , ID5. UniversitasPendidikan Indonesia , ID2025-04-04|page 32-45AbstractBackground: Touch rugby is a high-intensity, non-contact sport requiring agility, speed, and coordination. This study analyzes injury distribution, treatment effectiveness, and preventive measures among youth touch rugby players.
Objectives: This study examined injury patterns among adolescent female athletes during the 2024 All-Girls Touch Rugby Championship (AGTR 2024).
Methods: A retrospective observational study was conducted using medical reports from the two-day All-Girls Touch Rugby Championship 2024 (AGTR 2024) at Universiti Putra Malaysia. The study examined 484 female athletes (ages 9–18 years), with 176 injuries recorded and categorized as soft tissue injuries (52.3%), abrasions (23.9%), and sprains (14.2%). Descriptive statistics were used to assess injury distribution, while chi-square analysis (χ² = 10.45, p < 0.01) evaluated the relationship between injury type and age group.
Results: Younger players (10–14 years) sustained more abrasions (60%), whereas older athletes (15–18 years) had a higher incidence of soft tissue injuries (68%). Injuries increased by 66.7% on Day 2, highlighting the impact of cumulative fatigue and tournament intensity. Ice therapy (68%) and bandaging (55%) were the most utilized treatments, with only 7% of cases requiring outpatient referrals.
Conclusions: Findings underscore the need for structured warm-ups, enhanced hydration protocols, and targeted strength training to reduce injury risks. The study emphasizes the role of injury surveillance, playing surface improvements, and gender-specific training programs in preventing injuries and enhancing athlete safety. Implementing evidence-based preventive strategies can promote the long-term development and sustainability of touch rugby for adolescent athletes. Future research should focus on longitudinal injury tracking and tailored intervention strategies.
APA Citation StyleNazarudin, M. N. , Tan, Y. Q. , Okilanda, A. , Ockta, Y. , & Nugraha, R. (2025). Medical observations and injury analysis: All Girls Touch Rugby Championship 2024. Physical Education and Sports: Studies and Research, 32-45. https://doi.org/10.56003/pessr.v4i1.495 -
Impact of five-cone and ladder drill training on agility among U15 football athletes
Pupuh Harya Prembanyu1, Agus Wiyanto2, Setiyawan Setiyawan31. Universitas PGRI Semarang , ID2. Universitas PGRI Semarang , ID3. Universitas PGRI Semarang , ID2025-11-26|page 266-274AbstractBackground: Although it may seem simple, soccer has complex characteristics, which is why many children are attracted to training at soccer schools. Agility is a crucial aspect of the game, as it enables a player to move quickly, evade opponents, and control the ball effectively. At the Pemalang Regency Bina Talenta Soccer School (SSB), agility training is not conducted optimally and has not been implemented systematically with effective methods. Therefore, exercises such as the five-cone and ladder drills need to be implemented to improve player agility more effectively.
Objectives: This study aims to examine the impact of five-cone and ladder drill training on the agility of U15 football athletes.
Methods: This study used a quantitative descriptive method with a quasi-experimental approach. The experimental design was a pretest-posttest in two groups. The sampling technique used was purposive sampling with 20 players participating in a four-week training program. The instrument to measure agility was the Illinois Agility Test, with a validity level of r = 0.87. The measurement data were analyzed using a difference test with the help of SPSS software version 29.0.
Results: The five-cone drill and the ladder drill had a significant effect on agility, as both exercises had a significance value of <0.05. The five-cone drill was more effective than the ladder drill. This was due to the difference in scores between the five-cone drill, which increased by 1.04, and the ladder drill, which increased by 0.84.
Conclusions: Both training methods are effective in improving agility and can be integrated into school-based football training programs. Furthermore, the results of implementing these methods can enhance player performance and provide a valuable source of new knowledge for future researchers on agility in SSB players.
APA Citation StylePrembanyu, P. H. , Wiyanto, A. , & Setiyawan, S. (2025). Impact of five-cone and ladder drill training on agility among U15 football athletes. Physical Education and Sports: Studies and Research, 266-274. https://doi.org/10.56003/pessr.v4i3.633 -
Comparative analysis of plantar pressure distribution among football players across playing positions: A cross-sectional study
Arif Pristianto1, Anindya Maghfira Zain2, Farid Rahman3, Pungki Indarto4, Anugrah Nur Warthadi51. Department of Physiotherapy, Faculty of Health Sciences, Universitas Muhammadiyah Surakarta , ID2. Department of Physiotherapy, Faculty of Health Sciences, Universitas Muhammadiyah Surakarta , ID3. Department of Physiotherapy, Faculty of Health Sciences, Universitas Muhammadiyah Surakarta , ID4. Department of Sport Education, Faculty of Teacher Training and Education, Universitas Muhammadiyah Surakarta , ID5. Department of Sport Education, Faculty of Teacher Training and Education, Universitas Muhammadiyah Surakarta , ID2026-04-01|page 68-81AbstractBackground: Football players exhibit different muscle activation patterns during different playing activities, which can affect plantar pressure on the feet. Uneven, unbalanced plantar pressure distribution can cause muscle tension, leading to musculoskeletal injuries in the feet.
Objectives: This study aims to determine and compare plantar pressure distribution among football players based on playing position.
Methods: This study is an analytical observational study using a cross-sectional approach. The sample in this study consisted of 24 football players aged 15-18 years who met the inclusion criteria. Plantar pressure was measured using a Zebris Force Distribution Measurement (FDM) platform on the forefoot and rearfoot areas. Statistical analysis included normality tests (Shapiro-Wilk) and multivariate tests (ANOVA) according to data distribution.
Results: Differences in plantar pressure were observed between defenders, forwards, and strikers in static conditions (p < 0.05), but not in dynamic conditions (p > 0.05).
Conclusions: This study shows differences in plantar pressure distribution among football players in defender, forward, and striker positions under static conditions. However, under dynamic conditions, no significant differences were found among playing positions.
APA Citation StylePristianto, A. , Zain, A. M. , Rahman, F. , Indarto, P. , & Warthadi, A. N. (2026). Comparative analysis of plantar pressure distribution among football players across playing positions: A cross-sectional study. Physical Education and Sports: Studies and Research, 68-81. https://doi.org/10.56003/pessr.v5i1.692 -
The combination of plyometric and ladder drills can improve acceleration and footwork skills in badminton players
Muhammad Labib Siena Ar Rasyid1, Oce Wiriawan2, Afif Rusdiawan3, Laily Mita Andriana4, Enarnimas Dwi Ratna Damayanti51. Department of Sports Coaching Education, Faculty of Sport and Health Sciences, Universitas Negeri Surabaya , ID2. Department of Sports Coaching Education, Faculty of Sport and Health Sciences, Universitas Negeri Surabaya , ID3. Department of Sports Science, Faculty of Sport and Health Sciences, Universitas Negeri Surabaya , ID4. Department of Sports Coaching Education, Faculty of Sport and Health Sciences, Universitas Negeri Surabaya , ID5. Department of Sports Coaching Education, Faculty of Sport and Health Sciences, Universitas Negeri Surabaya , ID2026-03-08|page 28-39AbstractBackground: Recognized globally as the fastest racket sport in the world, badminton demands exceptional acceleration and footwork skills for competitive success. However, many intermediate players often struggle to produce the explosive power needed for fast-paced rallies. To enhance these physical attributes, targeted training interventions, such as a hybrid regimen of plyometric and ladder drills, are often required.
Objectives: This study aims to analyze the efficacy of integrating plyometric exercises with ladder drills in enhancing acceleration and footwork proficiency among badminton players.
Methods: This research employed a quasi-experimental design with a non-equivalent control group. Through purposive sampling, 24 male participants (aged 14-16 years) with at least 2 years of training experience, good health, and no history of recent injuries were selected. They were assigned to either the PLD Group (age: 15.00 ± 0.74 years; height: 162.00 ± 0.07 cm; weight: 50.58 ± 5.68 kg; BMI: 19.20 ± 0.88 kg/m²) or the CV Group (age: 15.00 ± 0.85 years; height: 162.08 ± 0.08 cm; weight: 51.75 ± 8.05 kg; BMI: 19.59 ± 1.56 kg/m²). The intervention spanned six weeks, with three sessions per week. Performance in acceleration was assessed using a 10-meter sprint, and footwork skills were assessed using the footwork skills test (Tohar version) pre- and post-intervention. Data analysis employed the Wilcoxon signed-rank and the Mann-Whitney tests.
Results: The Wilcoxon analysis indicated that both the PLD and CV Groups achieved improvements in acceleration and footwork skills (p<0.05). However, the Mann-Whitney test revealed a statistically significant difference between the two groups, with the PLD Group demonstrating superior gains in both acceleration (p<0.05) and footwork skills (p<0.05) compared to the CV Group.
Conclusions: Integrating plyometric training and ladder drills is an effective strategy for significantly improving acceleration and footwork skills in badminton players.
APA Citation StyleRasyid, M. L. S. A. , Wiriawan, O. , Rusdiawan, A. , Andriana, L. M. , & Damayanti, E. D. R. (2026). The combination of plyometric and ladder drills can improve acceleration and footwork skills in badminton players. Physical Education and Sports: Studies and Research, 28-39. https://doi.org/10.56003/pessr.v5i1.669 -
Optimising physiological recovery after high-intensity training: A combined approach of hydrotherapy, contrast bath, and full-body massage in futsal players
Afif Dwi Nugraha1, Laily Mita Andriana2, Muhamad Fauzi Antoni3, Muhammad Labib Siena Ar Rasyid4, Bhekti Lestari51. Universitas Negeri Surabaya , ID2. Universitas Negeri Surabaya , ID3. Universitas Negeri Surabaya , ID4. Universitas Negeri Surabaya , ID5. Universitas Negeri Surabaya , ID2025-12-15|page 302-317AbstractBackground: Efficient recovery after high-intensity interval training (HIIT) is crucial for maintaining optimal performance and minimizing the risk of injury.
Objectives: This study aims to analyze the effectiveness of combining hydrotherapy contrast baths and full-body massage in accelerating physiological recovery after a HIIT session, compared to the application of a single method.
Methods: This study employed a pre–post quasi-experimental design with three parallel groups (n = 45; 15 participants per group) to analyze the effectiveness of hydrotherapy combined with whole-body massage compared with each method applied separately. Participants were assigned to one of three conditions: (1) hydrotherapy contrast bath only, (2) full-body massage only, and (3) a combined intervention using both techniques. Physiological recovery was assessed using validated instruments, including heart rate monitors for heart rate recovery (HRR), portable lactate analysers for blood lactate concentration, and a visual analogue scale (VAS) for perceived muscle soreness. Data were analysed using the Shapiro–Wilk test, paired-sample t-test, and One-Way ANOVA.
Results: The findings demonstrated that the combined hydrotherapy–massage protocol resulted in greater improvements than the single-method groups, particularly in lactate reduction (e.g., -3.1 ± 0.8 mmol/L vs. - 1.9 ± 0.7 mmol/L and - 2.0 ± 0.6 mmol/L; p<0.05) and faster HRR. Participants in the combined group also reported significantly lower muscle soreness (p<0.05).
Conclusions: This suggests that integrating contrast bath hydrotherapy with full-body massage enhances circulation, accelerates metabolic waste clearance, and improves subjective recovery following HIIT. Future studies are recommended to include larger samples, compare different hydrotherapy temperatures, or examine long-term adaptations from repeated recovery sessions.APA Citation StyleNugraha, A. D. , Andriana, L. M. , Antoni, M. F. , Rasyid, M. L. S. A. , & Lestari, B. (2025). Optimising physiological recovery after high-intensity training: A combined approach of hydrotherapy, contrast bath, and full-body massage in futsal players. Physical Education and Sports: Studies and Research, 302-317. https://doi.org/10.56003/pessr.v4i3.655 -
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 -
Enhancing locomotor skills in preschoolers through play jump rope
Nancy Trisari Schiff1, Andy Supriady21. Sekolah Tinggi Keguruan dan Ilmu Pendidikan (STKIP) Pasundan , ID2. Sekolah Tinggi Keguruan dan Ilmu Pendidikan (STKIP) Pasundan , ID2026-04-14|page 135-146AbstractBackground: Fundamental Motor Skills (FMS), particularly in the Locomotor Skills domain, are an essential prerequisite for lifelong physical participation. However, the dominance of a sedentary lifestyle threatens young children's mastery of these skills.
Objectives: This study aims to test and prove the effectiveness of the jump rope play intervention program in improving locomotor skills in 5–6-year-old children.
Methods: This research uses a quasi-experimental one-group pretest-posttest design. The sample consisted of 19 males and 11 females, for a total of 30 children. Locomotor skills are measured objectively using the Locomotor subtest of the Test of Gross Motor Development-2 (TGMD-2). The Jump Rope Game intervention was implemented in a structured manner over 8 weeks (3 sessions/week). The data were analyzed using the Paired-Samples T-Test.
Results: The research results show a highly significant improvement in locomotor skills scores after the intervention. The average score increased from 23.30 on the pretest to 27.87 on the posttest, reflecting a 19.61% increase. The paired-samples t-test yielded a p-value of 0.000 (p<0.05), confirming that the difference between the two measurements was statistically significant.
Conclusions: Jump rope games have proven to be an effective, efficient, and enjoyable intervention for significantly improving young children's locomotor skills. This research recommends integrating inexpensive, easily accessible play-based activities into the early childhood education curriculum as a practical strategy to support physical literacy and address basic movement deficits.
APA Citation StyleSchiff, N. T. , & Supriady, A. (2026). Enhancing locomotor skills in preschoolers through play jump rope. Physical Education and Sports: Studies and Research, 135-146. https://doi.org/10.56003/pessr.v5i1.652












