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Arm explosive power, hand–eye coordination, and motor ability in students' badminton lob performance Asep Rizal; Ahmad Chaeroni; Eval E Edmizal; Sefri Hardiansyah
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: 10.32698/02742

Abstract

This study examined the direct and indirect effects of arm muscle explosive power, hand–eye coordination, and motor ability on badminton lob performance among athletes at the UNP Badminton Academy. A quantitative causal-correlational design was employed involving 12 athletes selected through total sampling. Standardized field tests measured all variables, and path analysis was performed after confirming normality, linearity, and multicollinearity assumptions. Arm muscle explosive power (β = 0.393, p = 0.020), hand–eye coordination (β = 0.430, p = 0.010), and motor ability (β = 0.484, p = 0.005) significantly improved lob performance, whereas indirect effects through motor ability were not significant. The model explained 88.7% of the variance in lob performance (R² = 0.887). Motor ability was the strongest predictor, while physical capacities contributed independently. These findings support integrated evidence-based training emphasizing explosive power, coordination, and motor ability to optimize badminton lob performance.
Sleep quality and cardiorespiratory endurance in adolescent competitive swimmers Muhammad Arpan Syaipul; Eval Edmizal; Yendrizal Yendrizal; Anisa Sholiha Mia
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: 10.32698/02852

Abstract

Being able to last through a race is largely determined through training and endurance ability in swimming. Sleep is also a way to improve recovery and thus is regarded as a way to modify recovery and support adaptation to cardiorespiratory activities of young athletes by experts. Not many studies have looked at this relationship between sleep quality and sport performance in adolescent swimmers from clubs compared to that of elite swimmers or college players. Through this study, we wanted to establish whether or not sleep and cardio capacity can go hand in hand with our teenage swimmers from Ladies Swimming Club. We applied a numerical correlational model to the situation and a complete sampling of the population as only 10 swimmers were on the register (ages 13 to 17, mean age was 14.8 and SD was ±1.48). The instrument employed to evaluate sleep quality of athletes during the study was the Pittsburgh Sleepiness Scale (PSQI) and VO₂max was calculated from the Multistage Fitness Test (Bleep Test) using Ramsbottom formula. Analysis of the data included the Shapiro-Wilk test of normality and then the Pearson correlation if there was no departure from normal distribution. Findings: The PSQI range was 2 to 13 (M = 6.30, SD = 3.09); 60% of swimmers were considered as having a good sleeping habit while the remaining 40% slept not too well. The estimated VO₂max values varied from 33.32 to 53.50 ml/kg/min (M = 44.54; SD = 7.51). Both PSQI and VO₂max measures were within the normal distribution (PSQI: W = 0.909, p = 0.271; VO₂max: W = 0.876, p = 0.118). The result shows that there was a strong and negative relationship between PSQI and VO₂max with a significant statistical level (r = -0.910, p = 0.00025), meaning that sleep quality was the major reason behind such variations in endurance (R² = 0.8288). Our findings demonstrated that sleep quality is linked with cardiorespiratory endurance. Lower quality sleep was associated with lower endurance. Areas of use: It would be beneficial for coaches and other professionals involved in athletes' development or training to include the monitoring of athletes' night time sleep and provide education on sleeping habits into their daily routines, since they are responsible for a large part of the training plan and hence of the athletes' period and recovery as well.
Work-life balance dimensions and their association with mental health among working mothers: a systematic review Nofita Lindriani; Eval Edmizal
Journal of Counseling, Education and Society Vol. 7 No. 1 (2026): Journal of Counseling, Education and Society
Publisher : Indonesian Institute for Counseling, Education and Theraphy

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29210/08jces689600

Abstract

Working mothers often experience competing demands between occupational and family responsibilities, which may adversely affect their mental health. However, evidence regarding the work-life balance dimensions associated with these outcomes remains fragmented. This systematic literature review synthesized evidence on how work-life balance, work-family conflict, family-to-work conflict, organizational support, and occupational context influence the mental health of working mothers. Following the PRISMA 2020 guidelines, a Scopus search identified 200 records published between 2020 and 2026. After screening based on language, publication type, and eligibility criteria, 167 studies were included in the qualitative synthesis. Methodological quality was assessed using the FICO framework, and only studies meeting the predefined quality threshold were retained. Thematic synthesis revealed four major findings. First, work-family conflict and family-to-work conflict were consistently associated with depression, anxiety, burnout, and psychological distress. Second, occupation-specific stressors, particularly in healthcare and information technology, intensified mental health risks. Third, organizational support, flexible work arrangements, family support, and psychological resilience acted as protective factors that mitigated the negative effects of role conflict. Finally, persistent gender norms, including maternal guilt and the “supermom” expectation, continued to shape working mothers' psychological well-being. These findings suggest that existing theoretical frameworks should be complemented with context-sensitive perspectives and that family-friendly workplace policies must be accompanied by greater gender equality in domestic responsibilities. Future research should prioritize longitudinal, cross-national, and intervention-based studies to strengthen the evidence base.
PENGARUH LATIHAN LADDER DRILL TERHADAP KEMAMPUAN FOOTWORK ATLET BULUTANGKIS PB. ILVERD KOTA PADANG Hidayatul; Tjung Hauw Sin; Donie; Eval Edmizal
JURNAL ILMU KEOLAHRAGAAN Vol. 25 No. 1 (2026): JURNAL ILMU KEOLAHRAGAAN
Publisher : Fakultas Ilmu Keolahragaan Unimed

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/w2x80694

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh latihan Ladder drill terhadap kemampuan footwork atlet bulutangkis PB Ilverd. Metode yang digunakan adalah eksperimen semu dengan desain one group pretest-posttest. Sampel penelitian berjumlah 5 atlet yang diambil menggunakan teknik total sampling. Instrumen penelitian berupa tes footwork untuk mengukur kemampuan gerak kaki sebelum dan sesudah perlakuan. Hasil penelitian menunjukkan bahwa rata-rata pre-testsebesar 15,04 dan mengalami peningkatan pada post-test menjadi 14,28. Uji hipotesis menggunakan uji t menunjukkan bahwa nilai thitung (3,355) lebih besar dari ttabel (2,132) pada taraf signifikan 0,05, sehingga hipotesis diterima. Dengan demikian, dapat disimpulkan bahwa latihan Ladder drill memberikan pengaruh signifikan terhadap peningkatan kemampuan footwork atlet. Latihan ini efektif meningkatkan kelincahan, koordinasi, serta kecepatan gerak kaki, sehingga dapat direkomendasikan sebagai metode latihan dalam pembinaan atlet bulutangkis.
MINAT SISWI TERHADAP PEMBELAJARAN PENDIDIKAN JASMANI OLAHRAGA DAN KESEHATAN SMK NEGERI 6 PADANG Riski Trio; Yanuar Kiram; Suci Nanda Sari; Eval Edmizal
JURNAL ILMU KEOLAHRAGAAN Vol. 25 No. 1 (2026): JURNAL ILMU KEOLAHRAGAAN
Publisher : Fakultas Ilmu Keolahragaan Unimed

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/p6ypp819

Abstract

Penelitian ini bertujuan untuk mengukur tingkat minat siswi kelas X jurusan Kecantikan di SMK Negeri 6 Padang terhadap pembelajaran Pendidikan Jasmani, Olahraga, dan Kesehatan (PJOK) sebagai salah satu faktor penunjang keberhasilan pembelajaran. Penelitian ini menggunakan pendekatan kuantitatif dengan metode deskriptif. Populasi penelitian berjumlah 1.481 siswa, dengan sampel sebanyak 72 siswi yang ditentukan melalui teknik purposive sampling. Instrumen penelitian berupa angket skala Likert yang terdiri dari 38 pernyataan, sedangkan analisis data menggunakan teknik deskriptif dalam bentuk persentase. Hasil penelitian menunjukkan bahwa minat siswi tergolong dalam kategori baik dengan persentase keseluruhan sebesar 80,37%. Rata-rata setiap indikator yaitu perhatian 78,42% (baik), perasaan senang 82,56% (sangat baik), aktivitas 79,94% (baik), peranan guru 81,81% (sangat baik), sarana dan prasarana 77,60% (baik), serta keluarga 81,86% (sangat baik). Disarankan peningkatan fasilitas dan pengembangan metode pembelajaran untuk mengoptimalkan minat siswi
Implementation of planning, organizing, actuating, and controlling (POAC) management functions in a community-based karate dojo Cynthia Nur Cahyani; Eval Edmizal; Yendrizal Yendrizal; Septri Septri
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: 10.32698/02922

Abstract

The ability to manage an organization effectively is recognized as an important factor determining results at club-level sports. However, most studies about organization management in sports focus on large urban sports clubs based in Western countries and not many empirical works address the management function of small, local martial arts clubs in developing countries. How the four traditional management functions planning, organizing, actuating and controlling (POAC) are carried out in small community-based martial arts organizations located in developing regions is still unknown. Purpose: By exploring stakeholders views on the use of POAC-based management in a karate training center in West Pasaman Regency of Indonesia, this paper gives a first picture of a local club management situation that has, until now, never had any performances or data on management documented. Methods: A study that describes a specific situation quantitatively without drawing generalizations was done. As the total population of people involved (20) was rather small, all people that participated: athletes, coaches and administrators, were chosen for a survey through Total Sampling (a census of the entire available population, i.e., complete enumeration rather than qualitative data saturation). A questionnaire with the Likert-type format was used asking for opinion on the four domains of the POAC theory. The results were shown as mean figures, percentiles and norm-referenced distribution. Reliability (Cronbach's alpha) and validity evidence for the questionnaire were not formally assessed in this study; this is acknowledged as a limitation and discussed further below. Results: Stakeholders' perceptions on the entire POAC implementation score were between 176 and 188 (mean, 182.3 and standard deviation, 3.71). When using this study's categories of norms, 45% of the responders assessed the implementation as "Very good" or "Good," 25% as "Adequate," 25% as "Poor," and 5% as "Very poor," indicating, overall, a positive but non-uniform reaction. Conclusion: The overall opinion of the stakeholders on how the club's management was implemented was very good or good. A significant proportion of respondents also mentioned weaknesses in two specific aspects, namely, lack of communication or coordination between administrative staff and coaches and the absence of an athlete-progress review being carried out periodically.
The Contribution of Arm Muscle Strength to Badminton Smash Accuracy among Students Gilang Kurniawan; Yanuar Kiram; Yendrizal; Eval Edmizal
Jurnal Master Penjas & Olahraga Vol. 7 No. 2 (2026): Forthcoming Issue
Publisher : STKIP Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37742/jmpo.v7i2.238

Abstract

This study aimed to determine the contribution of arm muscle strength to badminton smash accuracy among students participating in the badminton extracurricular program at SMAN 1 Lintau Buo. A quantitative correlational design was employed involving 10 students selected through total sampling. Arm muscle strength was measured using a 60-second push-up test, while smash accuracy was assessed using a badminton smash accuracy test. Data were analyzed using descriptive statistics, Pearson Product-Moment correlation, and the coefficient of determination at a significance level of 0.05. The results showed no significant relationship between arm muscle strength and smash accuracy (r = 0.058, p = 0.874), with a contribution of only 0.34%. These findings suggest that smash accuracy is influenced more by technical proficiency, coordination, movement timing, and biomechanical factors than by arm muscle strength alone. Therefore, integrated training programs are recommended to improve badminton smash performance.
Pemberdayaan usaha produk intelektual kampus pusat sport entrepreneur di Fakultas Ilmu Keolahragaan Universitas Negeri Padang Muhamad Sazeli Rifki; Hermanzoni; Eval Edmizal
JURNAL PENGABDIAN MASYARAKAT OLAHRAGA DAN KESEHATAN (JASO) Vol. 4 No. 1 (2024): Jurnal Pengabdian Masyarakat Olahraga dan Kesehatan
Publisher : DEPARTEMEN KESEHATAN DAN REKREASI UNIVERSITAS NEGERI PADANG

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Program pengembangan usaha produk intelektual kampus (ppupik) pusat sport entrepreneur di Fakultas Ilmu Keolahragaan Universitas Negeri Padang bertujuan mendorong dosen dan mahasiswa untuk menghasilkan berbagai jasa dan produk berbasis keolahragaan yang berkualitas dan dapat diakses oleh seluruh kalangan masyarakat. Program ini dikelola oleh kelompok dosen yang tergabung dalam Pusat Sport Entrepreneur dengan fokus utama pada tiga layanan strategis, yaitu desain dan sablon kaos apparel, penyelenggaraan event organizer, serta penyewaan peralatan outdoor. Melalui pendekatan pemberdayaan dan pendampingan yang sistematis, program ini diharapkan dapat membentuk ekosistem kewirausahaan olahraga yang kuat dan berkelanjutan, sekaligus menjadi satu-satunya pusat sport entrepreneur di Sumatera Barat. Target utama program adalah atlet dari berbagai cabang olahraga, instansi olahraga, serta masyarakat umum yang membutuhkan layanan desain apparel, pengorganisasian kegiatan olahraga, dan penyediaan peralatan outdoor. Dengan demikian, program ini tidak hanya memberikan kontribusi ekonomi bagi fakultas, tetapi juga menciptakan peluang usaha baru, lapangan kerja, serta memperkuat peran perguruan tinggi sebagai agen penggerak kewirausahaan di bidang keolahragaan.
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.
The relationship between student interest and discipline in compulsory school morning exercise programs: a cross-sectional correlational study in an indonesian vocational school Era Oktavia; Eval Edmizal; Tjung Hauw Sin; Anisa Sholiha Mia
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: 10.29210/30036930000

Abstract

Regular participation in physical activity is essential for adolescents' physical and psychological well-being. However, students often demonstrate varying levels of participation in school-based physical education programs due to differences in motivation and personal interest. This study examined the relationship between student interest and discipline in participating in the Senam PAHAMI morning exercise program at SMKN 4 Padang, Indonesia. Drawing on Self-Determination Theory and Expectancy-Value Theory, the study hypothesized that higher levels of student interest would be associated with greater discipline. A quantitative correlational research design was employed involving 427 Grade X and XI students, representing the entire eligible population through a census approach. Data were collected using Likert-scale questionnaires measuring student interest and discipline. The instruments demonstrated good internal consistency, with Cronbach's alpha coefficients of 0.82 and 0.85, respectively. Data were analyzed using the Kolmogorov–Smirnov normality test, Pearson product-moment correlation, and the coefficient of determination. The findings indicated moderately high levels of both interest (M = 57.70, SD = 4.62) and discipline (M = 69.33, SD = 5.49). A statistically significant positive correlation was found between student interest and discipline (r = 0.413, p < 0.001). The coefficient of determination showed that student interest explained 17.02% of the variance in discipline, while the remaining variance may be attributed to factors such as teacher supervision, school culture, peer influence, and individual characteristics. These findings support Self-Determination Theory and Expectancy-Value Theory, emphasizing that fostering students' intrinsic interest can enhance discipline in school physical activity programs. The results provide practical implications for physical education teachers and school administrators in promoting student engagement and participation.
Co-Authors - Rudyanto ., Donie ., Padli A.H, Redho Nugroho Afrizal S Agung Budi Santoso Aidil Syaputra Aldo Naza Putra Alex Aldha Yudhi Alfarizi, Muhammad Aligra, Nobel Aligra Nobel Alnedral Am, Latif Amri, Alfahriza Luthfi Angga Okta Pratama Anggra Ghifari Anisa Sholiha Mia Annisaislami Khairati Ardo, Okilanda Ari Firmansyah, Ari Ariando Ariston Arvan Prima Nanda Arwandi, Jhon Arwandi, John Asep Rizal Asep Sujana Wahyuri Atradinal Aziz, Ishak Azzare, Qais Althaf Chaeroni, Ahmad Cynthia Nur Cahyani D, Donie Dally Rahman Dapid Putra Dewi, Bunga Permata Donie Donie Donie Donie Donie Donie Donie, Donie Eko Purnomo Era Oktavia Eri Barlian Erid Junmela Fadli Ihsan Fair Muda Fajri Iftitah Rizki Fardi, Adnan Farida Hanum Fariz Maulana Syawshindra Fella Maifitri Fik, Deon 21087102 Fiky Zarya Frizki Amra Gilang Kurniawan Hafidzh Sukri A Handayani, Sri Gusti Harahap, Asriandi Haryadi Halim Hauw Sin, Tjung Haw Sin, Tjung Hermanzoni, Hermanzoni Hidayatul Ifdil Ifdil Ikhwanul Arifan Ilham Gusrinaldi Ilhamdi Fatihah Indri Wulandari, Indri Irawadi, Hendri Irfan Arifianto Isra Kamar Jeki Haryanto Jeky Haryanto Jhovan Saputra Juanda Putra Juliana Sattu Khairunnisa, sofiya Khoirunnisa Salsabila Trianti Komaini, Anton Kristian Burhan Laksana, Dandi M. Ihsan Alfajri M. Yogi Riyantama Isjoni Maidarman, M Maidarman, Maidarman Mardela, Romi mardesia, pringgo Masrun Masrun masrun Masrun, M Masrun, Marsun Maulidia Putri Melsi Wulandari MUHAMMAD ALI Muhammad Arpan Syaipul Muhammad Fakhrur Rozi Muhammad Ghaluh Muhammad Muhammad Muhammad Rifki Muhammad, Adrian Maulana Munir, Ali Naluri Denay Nathaza, Nurizha Nellitawati Nellitawati Nofita Lindriani Nugraha, Reshandi Nur Adila Wafiqah Zulvi Nurul Ihsan Nuzul Rizki Rahmadani octawinanda, wyke Padli Padli Padli Padli Parulian Pasaribu Pramudya, Rico Puja, Efenda Angra Purnama Sari, Desi Putra Mulyawan, Muhammad Raja Asratullah Rahmat Rahmat Ratih Novita Sari Redi, Aidil Ariesto Resky, Silva Jullya Rezha Arzhan Hidayat ridwan fauzi Rima Pratiwi Fadli Ririn Aprilia Ririn Julia Riski Trio Rizky Alvarizi Roma Irawan Ronni Yenes Rosadi, Dodi Rudyanto Rudyanto Ruri Handayani Saputra, Diky Apridian Sari Mariati Sari, Reno Siska Sari, Suci Nanda Sazeli Rifki, Muhamad Sefri Hardiansyah Sembiring, Nova Sesarina Sepriadi Sepriadi Septri, Septri Sigit Nugroho Siregar, Rossida Ahmad Siregar, Yusuf Ependi Siti Zahra Zafira Syahril Bais Tanjung, Sumansyah Tika, Deby Yuliandra Tjung Hauw Sin, Tjung Hauw Umar Umar Utama, Jaka Putra Vega Soniawan Viona Deswan Wulandari Wilda Welis Winda Aprilia Sari Wulan Tri Iswandi Yadi, Dori Rahmat Yanti, Nur Rizka Yanuar Kiram Yendrizal Yendrizal, Mr Yendrizal, Yendrizal Yestu, Riski Ari Yoga, Febriantri Yogi Arnaldo Putra Yogi Setiawan Yohanes Seran Yungmi Muliadi Zadrian Ardi Zaky Sabri Zizi Khairunisa zoni, herman Zulbahri Zulfikal Zulfikal