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All Journal Wahana Didaktika Jurnal Stamina JMPO International Martial Arts and Culture Journal. Jurnal Gladiator Lentera Negeri JRTI (Jurnal Riset Tindakan Indonesia) Journal of Educational and Learning Studies
Juanda Putra
Coaching Department, Faculty Of Sport Science, Universitas Negeri Padang, Padang City, Indonesia.
Religion Humanities Education Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Medicine & Pharmacology Public Health Social Sciences Other

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Technical-locomotor proficiency gaps in youth badminton beginners: serve, net-drop, smash, and footwork Maulidia Putri; Eval Edmizal; Tjung Hauw Sin; Juanda Putra
Lentera Negeri Vol. 7 No. 1 (2026): Lentera Negeri
Publisher : Indonesian Institute For Counseling, Education and Therapy

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29210/993310

Abstract

Technical competence is essential for long-term athlete development in badminton; however, the development of racket skills and court-movement abilities during the novice stage remains insufficiently examined. This study aimed to describe serve, net-drop, and smash accuracy, as well as footwork agility, and to examine their relationships with chronological age and sex. A descriptive quantitative, cross-sectional design was employed involving 23 novice athletes (16 boys and 7 girls) aged 11–15 years from a university-affiliated badminton academy in West Sumatra, Indonesia. Participants completed a standardized field-test battery consisting of a modified French-Scott-Fox serve accuracy test, net-drop and smash accuracy tests, and an 8-point footwork agility test. Data were analyzed using descriptive statistics, norm-referenced scoring, Spearman’s rank correlation, and the Mann–Whitney U test. Mean serve accuracy was 45.4% (SD = 22.3), while net-drop and smash accuracy scores were 21.52 (SD = 8.55) and 18.74 (SD = 9.66), respectively. Mean footwork time was 18.14 s (SD = 3.33), with 69.6% of athletes classified in the very slowest normative category. Racket skills demonstrated moderate-to-high intercorrelations (ρ = 0.60–0.69, p < 0.01), whereas footwork was significantly correlated only with smash accuracy (ρ = −0.49, p = 0.018). Boys outperformed girls across the four performance measures (p = 0.006–0.007; d = 1.10–1.19), despite no significant difference in age distribution (p = 0.397). Age showed moderate-to-strong associations with the measured skills (|r| = 0.47–0.57, p < 0.03). These findings indicate that racket-handling and locomotor skills represent relatively distinct domains of early technical development. Therefore, novice training programmes should place greater emphasis on footwork and multidirectional agility while considering age- and sex-related differences when grouping athletes for training.
From youth to elite: a systematic review of physical fitness characteristics that discriminate competitive swimming levels Naluri Denay; Juanda Putra
JRTI (Jurnal Riset Tindakan Indonesia) Vol. 10 No. 4 (2025): JRTI (Jurnal Riset Tindakan Indonesia)
Publisher : IICET (Indonesian Institute for Counseling, Education and Therapy)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29210/30036928000

Abstract

Competitive swimming performance is influenced by interacting anthropometric, neuromuscular, metabolic, and technical characteristics that vary across competitive levels. This systematic review aimed to identify key physical fitness characteristics in competitive swimmers, examine their differences across performance levels, and determine those most consistently associated with superior performance. Following the PRISMA 2020 framework, a systematic search of Scopus was conducted from inception to December 2025. Of 279 records identified, 18 studies met the inclusion criteria and underwent thematic synthesis following methodological quality assessment using Joanna Briggs Institute checklists. Higher-level swimmers consistently demonstrated greater arm span, stature, and lean mass, with the clearest differences observed in youth and junior populations. Muscular strength and lower-body power, particularly measured through countermovement and squat jumps, showed strong and consistent associations with start and sprint performance. Aerobic capacity, maximal swimming velocity, and critical speed increased substantially from junior to senior levels, with critical speed emerging as a strong correlate of junior performance. At elite levels, stroke index, active drag, and start and turn efficiency became increasingly important discriminators. Overall, the findings provide an integrated, competition-level-specific performance profile that may support talent identification, long-term athlete development, and evidence-based training. Standardized longitudinal, multidomain testing that considers stroke- and distance-specific demands is recommended for future research and practice.
The effectiveness of weight training in improving grip strength among Pencak Silat athletes Juanda Putra; Sonya Nelson; Roma Irawan
JRTI (Jurnal Riset Tindakan Indonesia) Vol. 11 No. 1 (2026): JRTI (Jurnal Riset Tindakan Indonesia)
Publisher : IICET (Indonesian Institute for Counseling, Education and Therapy)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29210/30036911000

Abstract

This study examined the effectiveness of weight training in improving grip strength among Pencak Silat athletes. A one-group pretest–posttest experimental design involved 20 regional-level athletes. Grip strength was measured using a hand dynamometer before and after 14 weight-training sessions. Data were analyzed using a paired-samples t-test. Mean grip strength increased from 36.025 ± 10.807 at pretest to 42.025 ± 10.159 at posttest, representing a mean improvement of 6.00 points or 16.66%. The analysis demonstrated a statistically significant difference between measurements, t(19) = −10.824, p < .001, with a 95% confidence interval of −7.160 to −4.840. Structured weight training significantly improves grip strength and may support effective takedown performance among Pencak Silat athletes.
Combined plyometric and target kick-drill training and straight-kick speed in female Pencak Silat athletes Fito Rahmat Seputra; Jeki Haryanto; Umar Umar; Juanda Putra; Fiky Zarya
JRTI (Jurnal Riset Tindakan Indonesia) Vol. 11 No. 1 (2026): JRTI (Jurnal Riset Tindakan Indonesia)
Publisher : IICET (Indonesian Institute for Counseling, Education and Therapy)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29210/30036920000

Abstract

This study investigated the effect of combined plyometric and target kick-drill training on straight-kick speed in female pencak silat athletes. A single-group pretest–posttest design involved 10 female athletes aged ≥15 years. Participants completed 16 supervised training sessions over four weeks. Straight-kick speed was assessed using a standardized 10-second straight-kick frequency test. Data were analyzed using a paired-samples t-test and Hedges’ g. Straight-kick performance increased from 10.30 to 16.40 repetitions per 10 seconds, representing a 59.2% improvement (t(9) = 22.03, p < .001; Hedges’ g = 3.10). Combined plyometric and target kick-drill training was associated with substantial improvement in straight-kick speed; however, controlled randomized studies are required to confirm the training-specific effect.
Tai chi versus traditional exercise for physical and cognitive health in middle-aged and older adults: a systematic literature review Naluri Denay; Juanda Putra
Journal of Educational and Learning Studies Vol 9, No 1 (2026): Journal of Educational and Learning Studies
Publisher : Global Econedu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32698/03162

Abstract

People are living longer, and with that comes a growing need to stay active so we don't lose our physical and mental health as we age. Yet where Tai Ji Quan fits among other kinds of exercise is still an open question. Most studies so far simply haven't paid enough attention to how an active exercise stacks up against Tai Ji Quan. We ran a systematic literature search built around combinations of Tai Chi, comparison exercise, older population, and health outcomes. The Scopus database gave us 403 articles. Papers were eligible only if they were written in English, appeared between 2022 and 2026, and either reported results or laid out the procedure in detail, meaning they described what the researchers planned to do. On top of that, each one had to compare Tai Chi with some form of active traditional exercise in people aged 50 or over. After we dropped the duplicates, 388 papers remained. We scanned all of them against our inclusion criteria, read 72 full texts, and in the end only 18 studies made it in. Tai Chi came out with clear effects on balance, flexibility, fall risk and related outcomes, plus certain aspects of brain function. Strength and endurance, on the other hand, improved more with walking and resistance training. So the evidence doesn't point decisively to one winner. It points instead to this: the right exercise depends on what you're trying to achieve. Going forward, researchers need to agree on how to measure and report the dose or frequency of Tai Chi their participants actually do. They also need to follow up on the effects of Tai Qi over a longer period, and the samples themselves should draw from a wider range of people.
Co-Authors - Rudyanto Ambi Mayu Ardo, Okilanda Arsil Arsil Dapid Putra Donie Donie Donie, Donie Edmizal, Eval Eval - Edmizal Eval Edmizal Fariz Maulana Syawshindra Fiky Zarya Fito Rahmat Seputra Florence Wangsabesari Jamin Indra Hanafi Japhet Ndayisenga Jeki Haryanto Kristian Burhan Lesmana, Heru Syarli Maulidia Putri Muhamad Rudiyanto Muhammad Alhamdi Rahmatullah muhammad fakhrur rozi Naluri Denay Rifqi Ahsan Rendra Roma Irawan Sonya Nelson Suci Nanda Sari Suwirman Suwirman Tjung Hauw Sin, Tjung Hauw Umar Umar Umar Umar