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JSSF : Journal of Sport Science and Fitness
ISSN : -     EISSN : 27455718     DOI : https://doi.org/10.15294/jssf
Core Subject : Education,
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 40 Documents
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.
The Effect of Circulo Massage on Changes in Blood Pressure in HypertensionPatients Ardhiyansyah Cahya Wardana; Anggita, Gustiana Mega
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.v11i2.19037

Abstract

Introduction: Human health is the main key in carrying out activities or life activities. Humans will not always have a strong and healthy body as they age and will experience a decline in the ability of body functions. One of the physical changes that occurs is increased blood pressure or hypertension. Hypertension is a condition or conditions in which a person experiences an increase in blood pressure above normal limits that can cause pain and even death. A person is said to have hypertension if the blood pressure exceeds the normal limit, which is > 140/90 mmHg. Overcoming hypertension can be done in a variety of ways. Objectives: One of the efforts to reduce hypertension is to provide circulo massage treatment, which is one of the masse techniques that aims to improve peripheral blood circulation so as to help the recovery process and manage the rest of the body's metabolism and provide relaxation to the muscles and nerves. Method: The type of research used is with quantitative descriptive research methods. The research design uses the Pre-experimental design method. The research sample is part of the population. The sampling technique in this study uses total sampling, that is, the entire population is taken as a sample and the researcher does not determine the minimum size of the research sample. The sample in this study is 30 people. The instrument used to measure blood pressure is using a digital sphygmomanometer, to measure blood pressure both before and after the massage treatment. The data analysis techniques in this study are by normality test, homogeneity test, and difference test. Result: The results showed that the decrease in systole blood pressure from the average before the massage with the Circulo massage technique was 146.63 mmHg and after the Circulo massage the average systole blood pressure was 129.233 mmHg, so there was a change in the decrease of 17.4 mmHg. The decrease in diastole blood pressure from the average before the massage with the Circulo massage technique was 92.43 mmHg and after the Circulo massage the average diastole blood pressure became 80.90 mmHg, so there was a change in the decrease of 11.53 mmHg. Conclusion: It was concluded that there was a significant effect of circulo massage on changes in blood pressure in hypertensive patients in Yogyakarta therapy houses. Advice to hypertension sufferers in the Bantul Yogyakarta area in particular and the wider community in general that it is necessary to check blood pressure and pulse regularly so that it can be well controlled and can make circulo massage an alternative treatment.
Analysis of the Relationship Between Vo2Max Level and the Achievement of Tennis Athletes in Semarang City Maziliyyah Nurlaily Sulistyanto; Wicaksono, Anggit
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.v11i2.24846

Abstract

Introduction: Tennis is an intermittent high-intensity sport that requires optimal aerobic endurance to maintain performance throughout long and demanding matches. Objectives: This study aims to determine the relationship between maximum aerobic capacity (VO2Max) and the achievement of KONI tennis athletes in Semarang City. Method: This research is a quantitative research with a survey method with a correlational approach. The population in this study is KONI tennis athletes in the age group of 12-18 years. The sampling technique used purposive sampling with a total of 11 athletes. Since the achievement rankings between male and female athletes are different, the data is divided into 2 consisting of 5 male and 6 female athletes. The VO2Max data used is secondary data obtained from the results of the MFT test conducted by KONI Semarang City. Meanwhile, to get data on athletes' achievements on a national scale, using the www.pelti.org website. The data analysis technique used the Pearson Product Moment Correlation Test. Result: The results of the study showed: 1. The results of the data analysis of KONI Semarang City men's tennis athletes showed significant values in the variables VO2Max and Achievement, namely 0.000 < 0.05 so that the variables VO2Max and Achievement had a relationship or correlation, 2. The results of the data analysis of KONI Semarang City women's tennis athletes showed significant values in the variables VO2Max and Achievement, namely 0.014, meaning 0.014 < 0.05 so that the variables VO2Max and Performance are related or correlate. Conclusion: Based on the data above, it can be concluded that there is a relationship between VO2Max and the achievements of KONI tennis athletes in Semarang City.
Analysis Of The Physical Condition Of Male Sepak Takraw Athletes 2024 Central Java Hartono, Winda; Wicaksono, Anggit
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.v11i2.25733

Abstract

This study aims to find out how the physical condition of PON Central Java men's sepak takraw athletes is and as a benchmark or minimum standard for sepak takraw athletes who want to become national athletes. The type of research is Quantitative Research with a Descriptive Approach. The sample extraction technique uses a saturated sample technique, so that the research sample amounted to 10 athletes equal to the population. The population in this study is Central Java sepak takraw training athletes. The variables of the study are the physical condition of the athlete which consists of: 1) leg power 2) strength, 3) agility, 4) speed, and 5) aerobic endurance.  The five physical components were measured using valid and reliable instruments. The data used is secondary data obtained from the head coach of the Central Java PON sepak takraw training team. The data analysis technique used in this study is a descriptive statistical technique using SPSS by calculating percentage, mean, minimum value, maximum value and standard deviation. The results of the study showed that there was 1 component of physical condition that was in the very good category, namely agility, 2 components of physical condition were in the good category, namely abdominal muscle strength and aerobic endurance, and 2 components of physical condition were in the poor category, namely leg muscle explosiveness and speed. Thus, it can be concluded that the average professional score of the physical condition of PON athletes in Central Java 2024 is in the medium category.
The Effect of Creatine Monohydrate Consumption on Men's Cognitive Function with Anaerobic Exercise -, Malha Nandika; -, Hariyanto IH; -, Willy Handoko
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.v11i2.27491

Abstract

Introduction: Creatine monohydrate is a supplement used to accelerate the recovery process, increase muscle mass, and affect the cognitive function of its consumer. Objectives: This study aimed to determine the effect of consuming creatine monohydrate on male cognitive function  with anaerobic exercise. Method: The methodology used in this study is by conducting experiments involving 12 participants aged between 20-45 years old with anaerobic exercise routines. The participants were asked to consume creatine monohydrate 5 gr/day for 20 days. Assessment of cognitive function was conducted on day 0 and day 21 using the XpressO by MoCA instrument, and the data were analyzed using a dependent paired t-test. Result: The average age, weight, height, and body mass index of the participants were 31.2±7.6 years old, 80.9±14.6kg, 170.6±5.1cm, and 27.8kg/m2 respectively. Significant increase in cognitive function on day 21 compared to day 0 was shown respectively by 46.75±9.8 and 32.33±9.7 (p=0.024; p<0.05). Conclusion: Creatine monohydrate consumption with a dose 5 gr/day for 20 days has an effect on the increase of male cognitive function with anaerobic exercise.
Implementation of Small Sided Games to Improve Passing Skills Football Indra, Indra Aditiya; Widiastuti, Widiastuti; Hernawan, Hernawan
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.v11i2.32354

Abstract

Introduction: This study aims to improve football passing skills among U13 players at Farama Football Club. Objectives: The research was conducted from May to June 2025 at Setu Cipayung Field, East Jakarta, involving 20 participants from Farama FC U13 team. Method: This study employed Action Research methodology with a one-group pre-test post-test design. The instrument used was a passing skills test validated by football ex-perts and specialists. Data analysis utilized descriptive statistics to compare pre-test and post-test results. Result: The pre-test revealed that players achieved 59% passing accuracy with an average score of 71 out of 120. Following eight training sessions imple-menting Small-Sided Games methodology, the post-test demonstrated significant improvement to 88.51% with an average score of 108 out of 120. This 29.51% improvement indicated that the intervention successfully addressed the identified problem. Conclusion: Consequently, the research was completed in one cycle without requiring continu-ation to subsequent cycles. The findings demonstrate that Small-Sided Games effectively improve football passing skills in youth players.
Analysis Of Teaching Skill Of Prospective Physical Education Teachers Through Video Tape Feedback (VTFB) Rahmadarni, Nadia Desturia; Usra, Meirizal; Bayu, Wahyu Indra; Iyakrus, Iyakrus; Yusfi, Herri
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.v11i2.37929

Abstract

Introduction: The success of Physical Education (PE) learning greatly depends on the quality of the teacher’s instruction. Many pre-service PE teachers still demonstrate low teaching skills, particularly in lesson planning, classroom management, instructional delivery, and reflective ability. These challenges limit the effectiveness of the learning process and contribute to low performance in teaching assessments and field teaching practice. Objectives: This study aims to analyze the teaching skills of prospective Physical Education teachers through the application of the Video Tape Feedback (VTFB) method as a reflective tool to enhance teaching performance. Method: A cross-sectional research design was employed with 58 pre-service teachers from FKIP Universitas Sriwijaya, cohort2024. Data were collected through observations, video recordings, and document analysis using an instrument consisting of 12 core teaching skill components.Result: The study shows that reviewing their own teaching through VTFB helps pre-service teachers notice things they often miss when they are in the classroom.By watching the recordings, they tend to see their weak spots more clearly and can think back on their decisions in a more honest and practical way. Many of themalso become more aware of how they explain lessons, how they handle the class, and how they respond to students during activities. Supervisors and spectatorsmay overlook what happens during education in video reviews. VTFB improves PE teacher candidates overall. Conclusion: The findings suggest that teachereducation programs should employ this method to promote continuous learning and consistent performance evaluation.

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