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Cahniyo Wijaya Kuswanto
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Journal of Coaching and Sports Science
Published by Foundation of Advanced Education
ISSN : 29631459     EISSN : 29631483     DOI : 10.58524/jcss.v1i2.
Core Subject : Education, Social,
Education Social Sciences
Journal of Coaching and Sports Science is an academic journal that aims to provide education about coaching and sports science. In this journal, theory and practice in coaching will be integrated with sports science as a critical reflection of coaching practice, as well as improving sports academics and coaches to help athletes acquire skills through sports science. The vision of this journal uncovers, understands, and develops the processes involved in sports coaching and the development of sports science.
Arjuna Subject : Umum - Umum
Articles 7 Documents
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Search results for , issue "Vol. 5 No. 1 (2026): In Press: Journal of Coaching and Sports Science" : 7 Documents clear
Differences in perceived readiness to train between two menstrual cycle phases in female athletes Reinertz, Noah; Crossland, Brett
Journal of Coaching and Sports Science Vol. 5 No. 1 (2026): In Press: Journal of Coaching and Sports Science
Publisher : CV. FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/jcss.v5i1.882

Abstract

Background: The menstrual cycle and associated physical symptoms, such as fatigue, mood swings, cramps, changes in energy levels, and physical discomfort, may directly influence athletic performance. Aims: The purpose of this study was to determine the effects of two stages of the menstrual cycle (early follicular & luteal phases) on recovery from exercise, as measured by heart rate variability, jumping performance, and a psychological wellness questionnaire in conjunction with current training regimes. Methods: A repeated measurement design was utilized, and statistical significance was set a priori at p < 0.05. Fifteen (n = 15) female participants (mean ± SD) for age, height, weight, body composition of 19.60 ± 1.3 years, 164.67 ± 5.78 cm, 62.44 ± 10.95 kg, and body composition 24.34 ± 6.45%), were tested in the early follicular and early luteal phase of their menstrual cycle. Results: Researchers observed significant differences in perceived readiness to train between the two phases. The early luteal phase showed a significantly higher (p < 0.01) score on the wellness questionnaire than the early follicular phase. No significant differences were found for HRV (p = 0.62), reactive strength index (p = 0.59), and vertical jump performance (p = 0.12) between the two phases. Conclusion: These results suggest that in the early luteal phase, athletes are less negatively affected by psychological factors and appear better prepared to train. However, these factors do not have a significant impact on performance metrics.
Time pressure and player disadvantage: Effects on jump performance in simulated matches of well-trained amateur handball players Panichram, Teerapong; Khumsingsan, Khanita; Khamros, Watunyou
Journal of Coaching and Sports Science Vol. 5 No. 1 (2026): In Press: Journal of Coaching and Sports Science
Publisher : CV. FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/jcss.v5i1.869

Abstract

Background: At the end of a handball match, when players are physically disadvantaged and pressured by time, their overall fitness declines. This primarily affects their jumping ability, a key skill for scoring points. Aims: This study examined the effects of late-match time pressure and player disadvantage on the jumping performance of well-trained amateur handball players under simulated competition conditions. Methods: Twenty-eight amateur handball players (14 males and 14 females; age 20.00 ± 0.86 years, weight 65.32 ± 11.18 kg, height 169.68 ± 9.56 cm, experience 4.79 ± 2.63 years, and VO2max 40.89 ± 7.67 ml/kg/min) participated in a simulated handball match that replicated the intensity of a simulated game. The match was simulated with a player disadvantage and a score of less than 1 point in the final five minutes. Height jump (HJ), Rate of force development (RFD), and Power (PW) were analyzed using countermovement jumps (CMJ) pre and post competition, along with average heart rate (HR) during the game. Results: HJ, RFD, and PW increased significantly after the competition (P < 0.05), regardless of whether the athlete was on the favored or disadvantaged team. However, no significant differences were found between favored and disadvantaged teams in any of the variables. Conclusion: Jumping performance did not consistently decrease in situations with fewer players and scoring pressure. Furthermore, neuromuscular fitness temporarily increased after intense exercise and a short recovery period.
Mindfulness and its relationship with psychological well-being among gifted student-athletes Hammouri, Khalid; Azam, Mahmoud R; Soliman, Amr Mohmed
Journal of Coaching and Sports Science Vol. 5 No. 1 (2026): In Press: Journal of Coaching and Sports Science
Publisher : CV. FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/jcss.v5i1.963

Abstract

Background: This study examined the level of mindfulness and its relationship with psychological well-being among gifted student-athletes in Jordan, in light of the growing interest in the psychological role of mindfulness in supporting academic and athletic performance, as well as emotional balance, among this population. Aims: The study aimed to identify levels of mindfulness and psychological well-being among gifted student-athletes, to explore the nature of the relationship between these two variables, and to examine whether statistically significant differences in psychological well-being exist by gender. Methods: The study sample consisted of 145 male and female gifted student-athletes, selected using simple random sampling. Ryff’s Psychological Well-Being Scale – Short Form was employed. Data were analyzed using appropriate statistical methods, including means and standard deviations, tests of difference, and correlation coefficients. Results: The findings indicated moderate levels of mindfulness (M = 3.22, SD = 0.35) and psychological well-being (M = 3.17, SD = 0.54). No statistically significant gender differences in psychological well-being were found (p > 0.05). In contrast, a strong, positive, and statistically significant correlation was identified between mindfulness and psychological well-being. Conclusion: The results highlight the practical value of integrating mindfulness-based training programs within educational and athletic environments for gifted students, as these programs enhance emotional balance, psychological resilience, and athletic performance. The study also provides a theoretical contribution by clarifying the relationship between mindfulness and psychological well-being within the Arab context, thereby supporting the development of evidence-based educational and athletic practices.
Sports infrastructure as a training environment: Participation patterns and adherence challenges in rural municipalities Cobos-Valiente, David; García-Fernández, Jerónimo; Grimaldi-Puyana, Moisés
Journal of Coaching and Sports Science Vol. 5 No. 1 (2026): In Press: Journal of Coaching and Sports Science
Publisher : CV. FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/jcss.v5i1.967

Abstract

Background: Rural areas face persistent challenges in promoting regular sports participation due to demographic ageing, limited infrastructure, and uneven access to organized programs. These constraints may affect not only population-level physical activity but also the training environments available to athletes and coaches in small rural municipalities. Aims: This study analyzes sports habits, motivations, barriers, and the availability of sports facilities in three rural municipalities in southern Spain, examining how local infrastructural and organizational conditions shape participation patterns and adherence to sport. Methods: A cross-sectional descriptive design was employed involving 289 residents from Cumbres Mayores, Cumbres de San Bartolomé, and Cumbres de Enmedio, selected through a non-probabilistic snowball sampling technique. Data were collected using an adapted questionnaire based on the Spanish Survey of Sports Habits, consisting of items on sports participation frequency, motivations, perceived barriers, and assessment of local sports facilities. The questionnaire demonstrated adequate content validity through expert judgment and high internal reliability (Cronbach’s α = 0.86). Data were analyzed using descriptive and comparative statistical procedures, including frequencies and percentages, to identify inter-municipal patterns. Result: The findings reveal apparent inter-municipal differences in sustained sports participation and perceived facility adequacy. More than one-third of respondents reported not engaging in regular physical activity, while insufficient or poorly maintained facilities were identified as a key barrier by over 30% of inactive participants. Approximately 40% indicated having practiced sport in the past but no longer do so, particularly in the smallest municipality, suggesting adherence challenges rather than a lack of initial interest. Gender-related disparities were also observed, mainly associated with time constraints and limited program availability among women. Notably, over 70% of participants expressed willingness to resume or increase participation if access to facilities and guided programs improved. Conclusion: Sports participation in small rural contexts depends not only on individual motivation but also on the availability, accessibility, and activation of local sports infrastructure. For athletes and coaches, these conditions directly affect training continuity, program viability, and development opportunities. The results support the need for context-sensitive sports planning that integrates infrastructure improvement, supervised training, and community engagement to promote sustainable training environments in rural areas.
The comparison of body composition index, explosive power, and sprint speed of male student athletes after eight weeks of plyometric and weight training Habib, Karwan Faiaq; Mohammed, Aso Ali; Rahim, Hiwa Ahmed; Saifalddin, Dara Latif; Mohamed, Saiwan Sirwan; Aref, Bahroz Osman; Rostamzadeh, Naser; Hofmeister, Martin; Lee, Do-Youn
Journal of Coaching and Sports Science Vol. 5 No. 1 (2026): In Press: Journal of Coaching and Sports Science
Publisher : CV. FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/jcss.v5i1.989

Abstract

Background: Plyometric and weight training are prevalent strategies for enhancing body composition, explosive strength, and running speed, all of which are crucial for physical performance and health. Nonetheless, their comparative efficacy remains contested, particularly among non-athletic groups. Aims: This study investigated and compared the effects of an 8-week plyometric and weight-training program on body composition index (BMI), explosive performance, and running speed among twenty-eight male student-athletes. Methods: The design was selected to determine causality and directly compare the effectiveness of two different training modalities under controlled conditions. To improve scientific rigor, the randomization process, assessor blinding, and meticulous control of training parameters. Result: Both training methods yielded substantial improvements across all evaluated variables. Plyometric training resulted in significant enhancements in horizontal explosive performance, evidenced by standing long jump results (p = 0.026), as well as moderate improvements in sprint speed. Conversely, weight training produced more significant enhancements in vertical jump performance (p = 0.038) and power output (p = 0.012). Both groups exhibited substantial decreases in body mass index and body fat percentage (p < 0.001). Conclusion: These data indicate that both plyometric and weight training significantly improve physical fitness. Plyometric training primarily enhances horizontal explosive power and sprint performance, whereas weight training is more effective for improving vertical power-related outcomes.
Menstrual cycle on internal and external load in amateur women CrossFit players Yanez, Cristian; Calderon, Diego; Peralta, Jose David; Jimenez, German; Henriquez, Oscar; Vergara, Liliana; Angulo, Julio; Ochoa, Nestor
Journal of Coaching and Sports Science Vol. 5 No. 1 (2026): In Press: Journal of Coaching and Sports Science
Publisher : CV. FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/jcss.v5i1.990

Abstract

Background: Female physical performance can be influenced by perceived, physiological, and physical factors, making it an important field for further research. Aims: The purpose of this study was to analyze the effects of the menstrual cycle (MC) on the cardiovascular and neuromuscular load of amateur women athletes in CrossFit® during real training situations. Methods: Resistance-trained CrossFit® athletes (without oral contraception) and eumenorrheic women participated in this study (age: 29.6 ± 4.06 years; height: 1.59.3 ± 0.06 m; body mass: 61.22 ± 4.59 kg). A cross-sectional, descriptive study was conducted to evaluate heart rate variability (rMSSD), upper-body strength, muscular endurance, and power performance. The data were analyzed using a one-way repeated-measures ANOVA and the nonparametric Friedman test to assess significant differences among the follicular, ovulatory, and luteal phases for all assessments. The significance was set at p ≤ 0.05. Result: Results revealed no significant differences between the menstrual cycle phases in performance: (HRV RMSSD: H: 0.830, p: 0.443, η2: 0.038), (Push up test: H: 0.041, p: 0.959, η2: 0.002), (countermovement jump: H: 11.921, p: 0.050, η2: 0.362), (rate force development CMJ: H: 1.242, p: 0.299, η2: 0.056), (squat jump: H: 0.439, p: 0.648, η2: 0.020), (rate force development SJ: H: 1.703, p: 0.194, η2: 0.075), (isometric mid-thigh pull: H: 0.019, p: 0.981, η2: 9.132x10-4). Performance is not altered during the MC in female CrossFit® trained athletes. Conclusion: These findings demonstrate that the menstrual cycle does not significantly influence internal and external training load, heart rate variability, or strength and power performance in this population. 
The effect of unified rhythmic activity on psychological factors among girls with mild intellectual disability: A randomized controlled trial Seliyan, Vinolia Baskara; Mohanraj, Mary Glory Ponrani; Tejaswi, Josyula; Wilson, Vinu; Kumar, Parveen; Karmakar, Debajit; Astuti, Yuni
Journal of Coaching and Sports Science Vol. 5 No. 1 (2026): In Press: Journal of Coaching and Sports Science
Publisher : CV. FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/jcss.v5i1.1033

Abstract

Background: Girls with mild intellectual disability experience persistent deficits in adaptive behavior, coping skills, and social integration, particularly during adolescence when psychosocial demands intensify. Despite this need, accessible, school-based psychological interventions remain limited. Given the risk of long-term social exclusion and reduced quality of life, identifying low-cost, inclusive strategies such as unified rhythmic activity is urgently required. Aims: This study evaluated the effects of rhythmic activity training and unified rhythmic activity training on psychological outcomes, adaptive behavior, and coping strategies for girls with MID, who participated alongside typically developing peers. Methods: A three-arm randomized controlled trial included 45 girls (10–14 years) with mild intellectual disability (IQ 50–70) in Coimbatore, India. Participants were assigned to rhythmic training, unified rhythmic training, or control groups. Interventions lasted 12 weeks (60 minutes, thrice weekly). Primary outcomes were adaptive behavior and coping strategies; secondary outcomes included self-efficacy, social competence, emotional regulation, quality of life, and behavioral problems. Analyses applied intention-to-treat, repeated measures ANOVA, and ANCOVA. Result: Significant within-group reductions were found for Irritability/Agitation in RATG and URATG (both p < 0.001), but not in CG (p = 0.64), with significant between-group differences (p < 0.001). Social Withdrawal improved in RATG (p = 0.003) and URATG (p < 0.001), not in CG (p = 0.81). Stereotypic Behavior and Hyperactivity decreased significantly in both intervention groups (p ≤ 0.009), but not in CG (p ≥ 0.75), with significant group effects (p < 0.001). Inappropriate Speech showed no within-group significance, though between-group differences were significant (p = 0.001). Conclusion: This study establishes that rhythmic and unified rhythmic interventions significantly enhance adaptive behavior and coping in girls with mild intellectual disability, with the unified model offering superior social benefits. It advances inclusive physical activity as a theoretically grounded, evidence-based approach and contributes robust experimental data supporting scalable, school-based psychosocial interventions.

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