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Injury trends in Pencak Silat: Impact of regulation changes on sparring athletes
Jhenny Ayu Suryaningrum1, Mohamad Nizam Mohamed Shapie21. State University of Malang , ID2. MARA University of Technology , MY2025-06-17|page 15-26AbstractBackground: Pencak Silat is a martial arts sport with high physical contact intensity, resulting in a high risk of injury. To improve safety and sportsmanship, PERSILAT changed the competition rules in 2017. However, the impact of these changes on athlete injury rates is still debated.
Objectives: This study aimed to compare injury rates between the old and new rules in the sparring category of Pencak Silat athletes.
Methods: The study involved 40 sparring category Pencak Silat athletes in the Greater Malang area, aged 16-25 years, who had experience competing before and after implementing the new rules. Sampling used a purposive sampling technique. Data were collected through an online questionnaire and analyzed descriptively quantitatively with percentage calculations.
Results: The results showed a decrease in injury rates in the new rules compared to the old rules. 50.00% of respondents were injured 1-2 times under the new regulation, lower than 57.50% under the old regulation. The most common injury was bruising (27.06% under the new rules vs. 36.36% under the old rules), while dislocation injuries increased (18.82% vs. 15.58%). The most common injury was to the ankle. Most athletes stated that injuries affected their performance and daily activities.
Conclusions: Rule changes have not eliminated the risk of injury in high-contact sports such as Pencak Silat. A decrease in bruising followed by increased dislocations suggests the need for more specific prevention strategies. This study contributes to understanding the impact of new regulations on athlete safety.
APA Citation StyleSuryaningrum, J. A. , & Shapie, M. N. M. (2025). Injury trends in Pencak Silat: Impact of regulation changes on sparring athletes. Sport, Exercise, and Injury, 15-26. https://doi.org/10.56003/sei.v1i1.511 -
Injury pattern and risk factors in grassroots football: A study of 10-year-old athletes
Leo Ferdinand1, Yulingga Nanda Hanief2, Randy M. Manimtim31. State University of Malang , ID2. State University of Malang , ID3. Batangas State University TNEU , PH2025-06-17|page 27-39AbstractBackground: Young football players, especially in grassroots competitions, are highly susceptible to injury due to physical contact, fatigue, and underdeveloped motor skills, making injury prevention a critical aspect of early childhood sports.
Objectives: This study aims to analyze the types, causes, and needs for injury prevention in 10-year-old football players.
Methods: A descriptive quantitative design was used with the survey method. Data was collected through a structured questionnaire distributed to players injured during the competition. A purposive sampling technique was applied with inclusion criteria: (1) players injured during the match and (2) willing to participate. The final sample consisted of 25 athletes.
Results: A total of 25 injury incidents were recorded. The most common type of injury was contusion, reaching 13 cases (52%), followed by muscle cramps (20%) and sprains (8%). Most injuries (64%) occurred in the lower extremities, especially the knee and thigh. Injuries predominantly occurred in the second half of matches (60%), with 88% caused by physical contact with an opponent. In the absence of medical personnel, coaches often found themselves in the role of first responders, a challenging position that requires adequate training and support. Many players continued to play despite their injuries, indicating a need for improved injury management.
Conclusions: The study concluded that football injuries in children generally occur in the lower extremities, with bruising being the most dominant type. Player-to-player collisions caused most injuries, and many players could continue the match. This shows the importance of prevention, education, and follow-up for developing the sport of football.
APA Citation StyleFerdinand, L. , Hanief, Y. N. , & Manimtim, R. M. (2025). Injury pattern and risk factors in grassroots football: A study of 10-year-old athletes. Sport, Exercise, and Injury, 27-39. https://doi.org/10.56003/sei.v1i1.512 -
Analysis of sports injuries in the implementation of the new 2023 regulations for the sport of Pencak Silat in the 17-35 age category
Muhammad Miqdam Afis11. State University of Malang , ID2026-01-05|page 80-89AbstractBackground: The changes to the 2022/2023 Pencak Silat competition rules established by PESILAT are aimed at international standardization, but these changes have the potential to affect patterns and injury risks for athletes in competition categories involving intense physical contact.
Objectives: This study aims to describe the types, frequency, and body parts injured, as well as athletes' perceptions of the impact of the implementation of the new 2023 regulations on injuries among 17-35-year-old competitive Pencak Silat athletes in Malang Regency.
Methods: The study used a quantitative descriptive design with a cross-sectional approach. The sample consisted of 30 competitive Pencak Silat athletes (aged 17–35 years) selected using purposive sampling. Data were collected in March 2025 using a questionnaire distributed online via Google Forms. Data analysis was performed descriptively using frequencies and percentages, as well as simple comparative analysis based on gender.
Results: Of the 30 respondents, the most commonly reported injuries were sprains (22.0%) and bruises (19.5%). The body parts most frequently injured were the lower extremities (feet and ankles, 20.7%), followed by the hands (14.1%). The most dominant factors causing injury were lack of warm-up (27.5%) and collision/physical contact (26.4%). A total of 64% of athletes (n = 19) stated that the implementation of the new 2023 regulations had a significant effect on the occurrence of injuries. Severe injuries such as fractures, ACL, and MCL were only found in male athletes with a low percentage, while minor injuries (bruises and sprains) were more commonly reported in female athletes.
Conclusions: Soft tissue injuries, particularly sprains and bruises, are the most common types of injuries experienced by competitive Pencak Silat athletes, with injuries predominantly occurring in the lower extremities.APA Citation StyleAfis, M. M. (2026). Analysis of sports injuries in the implementation of the new 2023 regulations for the sport of Pencak Silat in the 17-35 age category. Sport, Exercise, and Injury, 80-89. https://doi.org/10.56003/sei.v1i2.641 -
Injury prevalence among cricket athletes in East Java: A cross-sectional study
Ali Ridho Fadlurrahman Najib11. State University of Malang , ID2025-06-17|page 40-49AbstractBackground: Cricket has a risk of injury that needs to be considered, especially for athletes in East Java. This study aims to understand the prevalence of injuries in East Java cricket athletes, including the type, location, cause, time of occurrence, and treatment, as an effort to prevent and improve athlete performance.
Objectives: This study aims to determine the prevalence, types, causes, timing, and management of injuries among cricket athletes in East Java.
Methods: This study uses non-experimental descriptive quantitative methods, with a cross-sectional study and total sampling technique. 25 Indonesian East Java Province Cricket athletes with an age of 22.68+2.32, height of 163.2+6.78, and weight of 60.32+10.06, consisting of 13 male athletes and 12 female athletes, were involved in this study. This research instrument used a questionnaire to collect data. Data were analyzed using percentage analysis.
Results: The results showed that abrasions (36%) and muscle cramps (20%) were the most frequent injuries, especially affecting the lower extremities (56%). Overtraining (52%) was the leading cause, and injuries mainly occurred during training (52%). The RICE method was the most frequently applied treatment (60%).
Conclusions: This study highlights the need for structured training programs and preventive strategies to reduce the incidence of injuries.
APA Citation StyleNajib, A. R. F. (2025). Injury prevalence among cricket athletes in East Java: A cross-sectional study. Sport, Exercise, and Injury, 40-49. https://doi.org/10.56003/sei.v1i1.554 -
The effects of the FIFA 11+ program on lower limb functional outcomes: A systematic review
Yulingga Nanda Hanief1, Italo Sannicandro2, Raja Mohammed Firhad Raja Azidin31. State University of Malang , ID2. Clinical and Experimental Medicine Department, University of Foggia , IT3. Faculty of Sports Science and Recreation, Universiti Teknologi MARA , MY2025-12-30|page 122-138AbstractBackground: The FIFA 11+ program has been proven effective in preventing soccer injuries, but evidence regarding its impact on lower extremity functional outcomes is still scattered and reported heterogeneously.
Objectives: This systematic review aims to synthesize evidence regarding the effects of the FIFA 11+ program on lower extremity functional outcomes—including ROM, knee extension, internal and external hip rotation, and hamstring muscle strength—in athletes.
Methods: This systematic review was prospectively registered in PROSPERO (CRD420251147261) and conducted in accordance with PRISMA 2020 guidelines. A total of 14 studies involving athletes or physically active individuals met the inclusion criteria. Functional outcomes were measured using various instruments, primarily an isokinetic dynamometer for muscle strength and a goniometer for ROM measurement. The methodological quality of the studies was assessed using the Newcastle–Ottawa Scale. Due to substantial heterogeneity in study design, measurement instruments, intervention protocols, and reporting formats, a quantitative meta-analysis was not performed, and the data were synthesized using a qualitative narrative approach.
Results: Most studies (approximately 70–80%) reported an increase in hamstring muscle strength after the FIFA 11+ intervention, particularly in concentric and eccentric isokinetic measurements. Improvements in ROM and functional outcomes of the knee and hip were also reported, although results varied between studies. Evidence related to knee extension and hip rotation shows lower consistency compared to hamstring strength.
Conclusions: The FIFA 11+ program shows potential functional benefits beyond injury prevention, particularly in improving hamstring muscle strength and several aspects of joint mobility.APA Citation StyleHanief, Y. N. , Sannicandro, I. , & Azidin, R. M. F. R. (2025). The effects of the FIFA 11+ program on lower limb functional outcomes: A systematic review. Sport, Exercise, and Injury, 122-138. https://doi.org/10.56003/sei.v1i2.670 -
Eccentric hamstring strength and asymmetry in female handball athletes: A descriptive study
Alvito Dandy Putra Sanjaya1, Awang Firmansyah2, Aziz Abdul Hakim3, Panji Bana41. Universitas Negeri Surabaya , ID2. Universitas Negeri Surabaya , ID3. Universitas Negeri Surabaya , ID4. Universitas Negeri Surabaya , ID2025-06-17|page 60-69AbstractBackground: Handball is a competitive sport that requires high physical strength and muscle endurance. The game requires a balance of muscle strength to support athletes in performing movements such as sprints, jumps, and fast movement maneuvers. Lack of flexibility and high hamstring muscle asymmetry values are risk factors for injury to handball athletes.
Objectives: This study aims to determine the eccentric strength and hamstring muscle asymmetry in female handball athletes in Surabaya City.
Methods: The study subjects were 13 female handball athletes from Surabaya aged 18-23 years with regional-level competition experience and no lower extremity injuries. The instrument in this study is Nordbord by Vald Performance; Nordbord is a portable rapid assessment tool that can analyze large groups, providing information about the exact functional strength parameters quickly and efficiently. This study used a quantitative descriptive method to analyze hamstring muscle strength and asymmetry data.
Results: Indicated the athletes had an average (body mass of 59.30 ± 10.94 kg and height of 164.80 ± 6.80 cm). The overall eccentric hamstring strength was 88.1% of the expected norm, with right and left maximum forces averaging 230.70 ± 48.80 N and 233.61 ± 50.15 N, respectively. The average asymmetry between legs was -1.44 ± 9.14%, suggesting relatively balanced muscle strength.
Conclusions: The study concluded that hamstring eccentric strength in both legs should be improved by approximately 11.9% while maintaining the current low asymmetry levels to support muscle balance. Targeted training interventions are recommended to increase hamstring strength and minimize asymmetry, enhancing performance and reducing injury risk in female handball athletes.
APA Citation StyleSanjaya, A. D. P. , Firmansyah, A. , Hakim, A. A. , & Bana, P. (2025). Eccentric hamstring strength and asymmetry in female handball athletes: A descriptive study. Sport, Exercise, and Injury, 60-69. https://doi.org/10.56003/sei.v1i1.553 -
Foot biomechanics and injury risk factors in youth football players: A cross-sectional study
Hamza Sinen1, Amirhossein Ghanbarian21. Sintech Prosthesis Orthosis R&D and Innovation Trade Limited Company , TR2. Department of Biomechanics and Sport Injuries , Faculty of Physical Education and Sport Sciences, Kharazmi University, Tehran , IR2026-06-02|page 11-20AbstractBackground: Altered plantar pressure distribution and foot alignment have been suggested in previous studies to be associated with ankle instability and overuse injuries; however, evidence in youth populations remains limited.
Objectives: This study aimed to investigate foot biomechanics and potential injury risk factors in youth football players aged 5–15 years.
Methods: This study employed an analytical cross-sectional design involving 30 youth football players recruited from local football academies. Participants were categorized into three age groups: 5–9 years (n = 10), 10–12 years (n = 10), and 13–15 years (n = 10). Data were collected through pedobarographic plantar pressure assessment, hallux valgus angle (HVA) measurement using a goniometer, navicular drop test (NDT), and subtalar angle assessment. Statistical analyses included descriptive statistics, Shapiro–Wilk normality test, Pearson correlation, independent t-test, and one-way ANOVA with effect size (η²). A significance level of p ≤ 0.05 was applied.
Results: The results showed that hindfoot plantar pressure was higher than forefoot pressure in both feet, indicating a posterior loading pattern. Hallux valgus angles were within normal ranges, while subtalar angles demonstrated a tendency toward pronation. Significant differences were observed in left foot HVA and left hindfoot pressure across age groups (p < 0.05), with moderate effect sizes (η² = 0.20–0.21). Correlation analysis revealed moderate to strong positive relationships between subtalar pronation and HVA variables.
Conclusions: Youth football players exhibit biomechanical characteristics, such as increased hindfoot loading and subtalar pronation, that may represent adaptive responses to sport-specific demands and be associated with potential injury risk. However, given the study's cross-sectional design, these findings should be interpreted as descriptive biomechanical patterns rather than as direct predictors of injury. Early biomechanical screening and targeted preventive training may help support optimal athletic development.
APA Citation StyleSinen, H. , & Ghanbarian, A. (2026). Foot biomechanics and injury risk factors in youth football players: A cross-sectional study. Sport, Exercise, and Injury, 11-20. https://doi.org/10.56003/sei.v2i1.713 -
Eccentric hamstring strength profile and limb asymmetry in sub-elite female taekwondo athletes: Implications for injury prevention
Christina Septya Dewi1, Pudjijuniarto Pudjijuniarto2, Awang Firmansyah3, Roy Januardi Irawan41. Universitas Negeri Surabaya , ID2. Universitas Negeri Surabaya , ID3. Universitas Negeri Surabaya , ID4. Universitas Negeri Surabaya , ID2025-06-17|page 70-79AbstractBackground: Taekwondo is a physical contact sport requiring quick reactions and explosive movements such as kicking, which depend heavily on hamstring muscle strength to maintain performance and reduce injury risk.
Objectives: This study aims to profile the eccentric hamstring strength and asymmetry in sub-elite female taekwondo athletes in East Java.
Methods: This was a quantitative descriptive study with a cross-sectional approach. A total of 22 female athletes with regional competition experience and no lower limb injuries were selected using purposive sampling. Data were collected using the NordBord by Vald Performance, a reliable tool for measuring eccentric hamstring strength and asymmetry. Descriptive statistics analyzed the mean, standard deviation, minimum, maximum, and strength percentage relative to normative values.
Results: The athletes had an average age of 18.86±2.05 years, body mass of 57.45±8.90 kg, height of 160.68±6.72 cm, and BMI of24.33 ±2.51. Eccentric hamstring strength was 89.6% in the left leg, 85% in the right leg, and 87.2% overall, indicating the need for improvement.
Conclusions: The eccentric hamstring strength of both legs needs to be increased by approximately 12.8% while maintaining the current low asymmetry level to support muscle balance. Targeted hamstring strengthening exercises are recommended to enhance performance and reduce injury risk. This study is limited to female athletes; further research should include broader populations and variables.
APA Citation StyleDewi, C. S. , Pudjijuniarto, P. , Firmansyah, A. , & Irawan, R. J. (2025). Eccentric hamstring strength profile and limb asymmetry in sub-elite female taekwondo athletes: Implications for injury prevention. Sport, Exercise, and Injury, 70-79. https://doi.org/10.56003/sei.v1i1.574 -
Associations and predictive value of isometric strength, isokinetic strength, and anaerobic power for 100-m freestyle performance in young swimmers
Zied Abbes1, Rabeh Labbadi2, Faten Salhi31. Physical Education Department, College of Education, Qatar University , QA2. Higher Institute of Sports and Physical Education of Kef, University of Jendouba , TN3. Higher Institute of Sports and Physical Education of Kef, University of Jendouba , TN2026-06-02|page 21-34AbstractBackground: Multiple physical and physiological factors influence sprint swimming performance; however, the relative contributions of isometric strength, isokinetic strength, and anaerobic power to 100-m freestyle performance in young swimmers remain unclear.
Objectives: This study investigated the associations and predictive contributions of physical characteristics, isometric and isokinetic upper-body strength, and anaerobic power to 100-m freestyle swimming performance in young swimmers.
Methods: A cross-sectional study was conducted with 21 male swimmers aged 10–13 years, selected purposively. Eligibility criteria included a minimum of three years of structured swimming training, regular participation in 3–5 training sessions per week, and absence of musculoskeletal injuries. Upper-body strength was assessed using isometric and isokinetic dynamometry (60°/s and 180°/s), while anaerobic power was measured using the 30-s Wingate Anaerobic Test. Swimming performance was evaluated using a 100-m freestyle time trial. Pearson correlation and linear regression analyses were performed after verification of regression assumptions.
Results: Swimming speed was significantly correlated with isometric elbow flexor strength (r = .49, p < .05), isokinetic flexor strength at 60°/s (r = .41, p < .05), and Wingate peak power (r = .37, p < .05). Simple linear regression analysis identified isometric elbow flexor strength as the strongest predictor of swimming performance (B = 0.005, p = .026, R² = .235), followed by isokinetic flexor strength at 60°/s (B = 0.004, p = .038, R² = .210) and Wingate peak power (B = 0.001, p = .031, R² = .198). No significant associations were observed for isokinetic strength at 180°/s.
Conclusions: Upper-body muscular strength, particularly isometric elbow flexor strength, is a significant determinant of 100-m freestyle swimming performance in young swimmers. These findings highlight the importance of maximal force-generating capacity, alongside anaerobic power development, for sprint swimming performance.
APA Citation StyleAbbes, Z. , Labbadi, R. , & Salhi, F. (2026). Associations and predictive value of isometric strength, isokinetic strength, and anaerobic power for 100-m freestyle performance in young swimmers. Sport, Exercise, and Injury, 21-34. https://doi.org/10.56003/sei.v2i1.726
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