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Validity and Reliability of a Modified Reactive Agility Test for Tennis Volley Performance Wisnu Nugroho; Rekyan Woro Mulaksito Mulyadi
Journal of General Education and Humanities Vol. 5 No. 2 (2026): April
Publisher : MASI Mandiri Edukasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58421/gehu.v5i2.1373

Abstract

Reactive agility is a critical component of tennis performance, particularly in volley situations that require rapid perceptual-motor responses under time constraints. However, existing agility tests often lack specificity for volley movements, limiting their ability to assess performance accurately. This study aims to examine the validity and reliability of a modified two-direction reactive agility test specifically designed for tennis volley performance. The research employed a quantitative approach using expert judgment and performance testing. Content validity was assessed using Aiken’s V, inter-rater reliability was analyzed using the Intraclass Correlation Coefficient (ICC), and descriptive statistics were used to evaluate performance outcomes. The results showed that all test components achieved high validity, with Aiken’s V values ranging from 0.83 to 0.96, indicating strong agreement among experts. Reliability analysis revealed ICC values of 0.68 for single measures and 0.88 for average measures, indicating moderate to high reliability. Descriptive findings indicated consistent and rapid execution times, reflecting the specific demands of volley performance. In conclusion, the modified reactive agility test is a valid and reliable instrument for assessing tennis volley performance and is practical for training and evaluation.
The relationship between anthropometry and biomotor ability on gymnastics potential at SD Negeri 1 Gentan Baskoro Bisma Yoga; Ria Amelia Karo Karo; Tsadila Marchlusiana; Elisa Putri Arsi; Elmalia Virdania Putri; M. Luqman Ahda; Muhammad Fakhri; Muhammad Irvan Eva Salafi; Abdul Alim; Herwin; Okky Indera Pamungkas; Ari Iswanto; Ridho Gata Wijaya; Wisnu Nugroho; Muhammad Wahyu Arga
Jorpres (Jurnal Olahraga Prestasi) Vol. 21 No. 1 (2025)
Publisher : Departement of Sports Coaching, Faculty of Sports Sciences, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jorpres.v21i1.88675

Abstract

This study aims to analyze the relationship between anthropometric variables and biomotor abilities with gymnastics potential in elementary school students. The research method used a correlational quantitative approach involving 106 fourth and fifth grade students aged 9–11 years at SD Negeri 1 Gentan. Data were collected through anthropometric measurements (height, weight, arm span, sitting height) and biomotor ability tests (flexibility, core muscle strength, coordination). Data analysis was performed using Pearson's correlation test and multiple regression using SPSS. The results of the study showed that: (1) Height was significantly correlated with arm span (r = 0.687; p < 0.01) and sitting height (r = 0.434; p < 0.01), but not with biomotor ability; (2) Sit height has a positive relationship with core muscle strength (plank) (r = 0.346; p < 0.01), while arm span has a negative correlation (r = -0.209; p < 0.05); (3) Biomechanical abilities such as flexibility (split) and body rotation (air turn) are significantly correlated (r = 0.775 and r = 0.676; p < 0.01), but are not directly influenced by anthropometric variables. The conclusions of this study indicate that gymnastics potential is more influenced by technical training and flexibility than by body structure, although certain anthropometric variables such as sitting height and arm span play a role in core muscle stability. The implications of this study highlight the importance of combining anthropometric monitoring with structured biomotor training programs for the development of gymnastics potential in elementary school students. Keywords: Anthropometry, Biomotor, Gymnastics, Elementary School, Talent Guidance.
Study of Research Output and Community Service (PKM) of Lecturers of the Faculty of Sports and Health Sciences (FIKK) of Yogyakarta State University in Supporting Downstreaming Rifky Riyandi Prastyawan; Endang Rini Sukamti; Soni Nopembri; Nawan Primasoni; Wisnu Nugroho
International Journal of Applied Research and Innovation Vol. 1 No. 4 (2026): : October: International Journal of Applied Research and Innovation
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/3x6ctc98

Abstract

Research downstreaming is an important mechanism for increasing the societal utilization of knowledge, innovations, and practical solutions generated by higher education institutions. Research and Community Service (PKM) activities provide complementary pathways through which academic knowledge can be developed, tested, transferred, and utilized by external users. This study aims to map the research and PKM activities of lecturers at the Faculty of Sports and Health Sciences (FIKK), Yogyakarta State University (UNY), during 2023–2025 and examine their potential contribution to downstreaming. The study employed a descriptive-quantitative approach based on systematic document analysis of institutional records. Data were classified according to study program, year, activity type, potential output, prospective users, and possible utilization pathways, and were analyzed using frequencies and percentages. The results identified 477 activities, comprising 279 research activities (58.49%) and 198 PKM activities (41.51%) across five study programs. Sports Science recorded the highest number of activities with 151 activities, followed by Sport Coaching Education with 127 and Physical Education, Health, and Recreation with 120. The annual distribution also indicated a gradual shift toward a more balanced composition between research and PKM, with the PKM proportion increasing from 36.27% in 2023 to 45.89% in 2025. The findings indicate that research and PKM can support downstreaming through output development, implementation, knowledge transfer, adoption, and sustainable utilization. However, activity volume alone cannot demonstrate downstreaming success, requiring stronger institutional linkages among research outputs, PKM, end-users, implementation pathways, and continued utilization.  
Achievement Motivation in Junior Tennis Education: Evidence for Developing Athlete-Centered Coaching Practices Wisnu Nugroho; Hary Widodo; Rekyan Woro Mulaksito Mulyadi; Tomoliyus Tomoliyus
Jurnal Yudistira : Publikasi Riset Ilmu Pendidikan dan Bahasa Vol. 4 No. 4 (2026): Oktober : Jurnal Yudistira : Publikasi Riset Ilmu Pendidikan dan Bahasa
Publisher : Asosiasi Riset Ilmu Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/yudistira.v4i4.3018

Abstract

Achievement motivation is an important psychological factor in junior tennis education because it influences athletes’ persistence, goal orientation, skill development, confidence, and responses to competitive demands. This study aimed to analyze the achievement motivation profile of junior tennis athletes in Sleman Regency and interpret the findings as empirical evidence for developing athlete-centered coaching practices. A descriptive quantitative approach was employed involving 30 junior tennis athletes selected through total sampling. Data were collected using a 16-item questionnaire covering eight indicators: desire to achieve success, goal orientation, perseverance, liking challenges, improving skills, self-confidence, competition, and self-evaluation. The instrument was valid and reliable, with a Cronbach’s Alpha value of 0.922. Descriptive analysis showed an overall mean achievement motivation score of 3.9667, categorized as high. Goal orientation obtained the highest mean score of 4.0667, while the desire to achieve success recorded the lowest mean of 3.8833. All indicators remained within the high category. These findings indicate that junior tennis athletes possess relatively consistent achievement motivation and provide a psychological basis for developing coaching practices that emphasize individual goals, appropriate challenges, constructive feedback, self-evaluation, and greater athlete involvement in the training process.