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JSSF : Journal of Sport Science and Fitness
Published by Universitas Negeri Semarang
ISSN : -     EISSN : 27455718     DOI : https://doi.org/10.15294/jssf
Core Subject : Education,
Other
Journal of Sport Science and Fitness (JSSF) is an international, double-blind peer reviewed journal. It is published two times a year, on July and November. We do focus on publishing quality articles, therefore only 10 articles each issue of publication. JSSF considers submissions on any aspect of sport science and fitness across age groups and settings.
Arjuna Subject : Umum - Umum
Articles 34 Documents
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Pencak Silat Knockdown Anticipation Training Model for Student Athletes Widiastuti, Widiastuti; Novian Saputro, Eko
Journal of Sport Science and Fitness Vol. 11 No. 2 (2025): JSSF: Journal of Sport Science and Fitness
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jssf.v11i2.32427

Abstract

Introduction: This study aims to improve the skills of anticipation of pull drops in pencak silat athletes in the competition category. The research was carried out from March to May 2025 at the Jakarta State University Sports Hall. The study was attended by DKI Jakarta student pencak silat athletes in the competition category. The lack of good knockdown anticipation techniques can result in injuries for athletes. Objectives: The dropping technique combined with a pull is regarded as highly effective for scoring points and securing victory in matches. Similarly, the fall anticipation technique using a pull is seen as a strategic approach to enhance an athlete’s ability to respond to falls. Based on this, implementing a training model focused on fall anticipation with pull is deemed suitable for improving athletes' preparedness. Mastery of these anticipation techniques not only contributes to performance but also plays a crucial role in reducing the risk of injury. Therefore, innovative solutions and updates are needed to address the challenges outlined, ensuring the training process operates at its highest potential. Method: The research methodology employed Research & Development approach using the ADDIE model, conducted at GOR UNJ, DKI Jakarta, during March-May 2025. The research subjects consisted of 30 pencak silat athletes PPLM DKI Jakarta in fight category. The instrument used is a test of pull fall anticipation skills that has been validated by pencak silat experts and experts. Based on the initial test data of the ability to anticipate dropping. Data analysis using SPSS to process the effectiveness results of the pre-test and post-test. Result: The research results demonstrated significant improvement from the pre-test average success rate of 3.1333 was obtained. Then after being given the material on the fall anticipation training model, the final test was carried out with an average success rate of 8.7333. There is an increase in the success rate.  Conclusion: The developed training model proved to be feasible and effective for enhancing skills anticipation of pull drops in pencak silat, providing valuable insight for martial arts training methodologies and competitive performance improvement.    
Physical Literacy, Mental Health, and Quality of Life: Analysis of Sports Students Based on Gender Differences Marisa Noviyanti Fajrah Ilsya; Salman; Derry Renanda Putra Siahaan; Ivan Rivan Firdaus; Nadila Maesara
Journal of Sport Science and Fitness Vol. 11 No. 2 (2025): JSSF: Journal of Sport Science and Fitness
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jssf.v11i2.33908

Abstract

Introduction: Physical literacy is crucial for the mental health and quality of life of university sports students, yet a research gap exists in understanding how these constructs interact through a gender-sensitive lens, particularly within sports education programs where psychological distress is rising despite high physical competence. Objectives: This study aims to analyze the relationship between physical literacy, mental health, and quality of life among sports students, considering the role of gender as a covariate. The research design used is quantitative with a descriptive correlational approach. Method: The research sample consisted of 211 students from the Faculty of Sports and Health Education, Indonesia University of Education. The instruments used included the Perceived Physical Literacy Instrument (PPLI), Short Mental Health Scale (SKM-12), and WHOQOL-BREF. Data analysis was performed using descriptive statistics, classical assumption tests, multiple regression, and ANCOVA. Result: The results show that the average scores for physical literacy, mental health, and quality of life are in the moderate to high range with a normal and homogeneous data distribution. Multiple regression analysis shows that mental health has a significant effect on quality of life (B = 1.217; p < 0.001), while physical literacy has no significant effect (B = 0.171; p = 0.072). Simultaneously, both variables were able to explain 52.6% of the variation in students' quality of life (R² = 0.526; p < 0.001). ANCOVA analysis confirmed that the effect of mental health remained significant after controlling for gender, while physical literacy and gender differences were not significant. Conclusion: These findings indicate that mental health is the primary predictor of student athletes' quality of life, while physical literacy plays a more supportive role. Intervention recommendations focus on strengthening mental health integrated with improving physical literacy to comprehensively support student athletes' well-being.
Physical Exercise And Epigenetic: Molecular Mechanisms Anggraeni. M, Andi Sri Dewi; Arimbi; A.Anggriani; Lesbatta, Kezia Josawel; Indriani
Journal of Sport Science and Fitness Vol. 11 No. 2 (2025): JSSF: Journal of Sport Science and Fitness
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jssf.v11i2.34037

Abstract

Introduction: Physical exercise is associated with an active lifestyle and offers numerous health benefits. Recent research has shown that physical exercise also influences gene expression through epigenetic mechanisms such as DNA methylation, histone modification, mRNA, and microRNA expression. These changes contribute to physiological changes and disease prevention. Objectives: This review aims to explain how physical activity can affect a person's epigenetic changes to have an impact on the prevention of chronic diseases. Method: This study is a literature review using databases such as PubMed from 2015 to 2025. Result: the review revealed that physical activity can cause epigenetic changes at the stage of DNA methylation, histone modification, RNA methylation and MiRNA. Physical activity modulates DNA methylation, affecting genes related to metabolism and immune function. Understanding this pathway is the basis for developing personalized exercise programs as interventions for the prevention and therapy of chronic diseases. Understanding this pathway is the basis for developing personalized exercise programs as interventions for the prevention and therapy of diseases. Conclusion: This study reveals the relevance of epigenetic changes to physical activity as an alternative non-pharmacological therapy because it is accompanied by a perspective in choosing the type of physical activity that suits the body's condition as a step in implementing a more precise health pattern.
Analysis of Anxiety, Stress, Self-Confidence, and Motivation of KU III Swimming Athletes in Achieving Goal Setting Afifah, Ihsantin Nazih; Setyawati, Heny; Raharjo, Agus
Journal of Sport Science and Fitness Vol. 11 No. 2 (2025): JSSF: Journal of Sport Science and Fitness
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jssf.v11i2.34910

Abstract

Introduction: Goal setting is a critical psychological skill in athletic performance, enabling athletes to establish clear, challenging, and measurable targets. In addition to increasing motivation and self-confidence, goal setting also helps athletes manage stress and anxiety, making goal setting an important strategy in training athletes to achieve peak performance. Objectives: This study aims to analyze the relationship between psychological factors stress, anxiety, self-confidence, and motivation and goal-setting among KU III (Age Group III, 12-13 years old) swimmers in Semarang. Method: Using a mixed-methods sequential explanatory design, the research involved 26 athletes selected via purposive sampling. Quantitative data were collected using standardized scales (DASS-21, TSCI, SOQ, and a goal-setting scale) and analyzed with correlation techniques, while qualitative data from in-depth interviews were analyzed thematically. Result: The results revealed that self-confidence (r = 0.652, p = 0.000) and motivation (r = 0.742, p = 0.000) had a strong, significant positive relationship with goal-setting. In contrast, anxiety (r = -0.328) and stress (r = -0.119) showed weak, non-significant negative relationships. Simultaneously, the four psychological factors accounted for 75.1% (R² = 0.751) of the variance in goal-setting effectiveness. Qualitative findings identified key themes, including triggers of anxiety/stress, coping strategies, sources of self-confidence, and the dominance of intrinsic motivation. Conclusion: The study concludes that high self-confidence and strong intrinsic motivation are the primary drivers of effective goal-setting in young swimmers, while unmanaged anxiety and stress can be detrimental.

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