Muhammad Arja Bahauddin
Universitas Negeri Surabaya

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Studi Cross Sectional Antropometri Anak Usia 7-12 Tahun Dataran Rendah Muhammad Arja Bahauddin; Dio Kevin Alief Utama; Abdul Aziz Hakim
Journal of Education and Sport Science Vol. 4 No. 1 (2023): Januari 2023
Publisher : Wahid Hasyim University

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Abstract

Penelitian ini bertujuan untuk mengetahui perbandingan data antropometri siswa-siswi 7- 12 tahun di SD Lab School Unesa Surabaya. Rancangan penelitian menggunakan metode survei Metode cross-sectional Ada banyak topik penelitian sebanyak sampel penelitian hingga 58 siswa dan siswi. Teknik analisa data sampel mendalam menggunakan SPSS dan standar pengukuran antropometri digunakan dalam penelitian ini. Hasil analisa data tes antropometri pada siswa kelas 1 dan 2 signifikansi adalah 0,814 > 0,05, kelas 2 dan 3 adalah 0,336 < 0,005, kelas 3 dan 4 adalah 0,901, kelas 4 dan 5 adalah 0,814, dan kelas 5 dan 6 adalah 0,186. Kesimpulannya adalah pengujian antropometri untuk anak dimulai dari kelas 1 SD 6 memiliki perbedaan dalam peningkatan khusus kelas saat berada di lingkungan sekolah. Kata kumci : cross sectional,antropometri, dataranrendah Abstract This study aims to determine the comparison of anthropometric data for students aged 7-12 years at SD Lab School Unesa Surabaya. The research design used a survey method. Cross-sectional method. There were as many research topics as the research sample, up to 58 students. In-depth sample data analysis techniques using SPSS and standard anthropometric measurements used in this study. The results of the analysis of anthropometric test data for students in grades 1 and 2 have a significance of 0.814 > 0.05, grades 2 and 3 are 0.336
Strategic Role of Libero in Improving Team Performance in Volleyball: A Literature Review Ahmad Robi Alfaini; Soni Sulistyarto; Achmad Widodo; Muhammad Arja Bahauddin
Indonesian Journal of Kinanthropology (IJOK) Vol 6 No 2 (2026)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/ijok.v6n2.p46-52

Abstract

Background: The purpose of this study was to determine how a libero contributes to a team during a volleyball match. The method used was a literature review. Literature searches were conducted through the Google Scholar database, focusing on articles published between 2020 and 2025. The keywords used were contribution, libero, and volleyball. Methods: The article screening process for this literature review followed the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines. A total of 333 articles were initially identified and then filtered according to the inclusion criteria: (1) international articles published in English, and (2) articles accessible online and available for download. After screening, 94 articles related to the libero's contribution to volleyball matches were selected for further review. Ultimately, 8 articles met all eligibility criteria and were included in the study. Results: The findings of this literature review indicate that liberos possess valuable and highly effective skills that contribute significantly to team performance. These skills include high-quality serve reception, setting as a secondary setter, and strong defensive abilities. These elements are essential in volleyball because they help maintain the balance between offense and defense and enhance the competitiveness of the game. Conclusion: The libero plays a crucial role in volleyball by providing effective serve reception, acting as a secondary setter when necessary, and contributing strong defensive performance. These skills support the balance between attack and defense, thereby improving overall team performance and making matches more competitive.  
SELF REPORTED OF HEALTH LITERACY, PHYSICAL ACTIVITY AND SLEEP QUALITY: A CORRELATION ANALYSIS AMONG ELDERLY PATIENT AT PUBLIC HEALTH CENTER Defi Wulan Rachmawati; Indra Himawan Susanto; Ananda Perwira Bakti; Yetty Septiani Mustar; Muhammad Arja Bahauddin
Jurnal Porkes Vol 9 No 1 (2026): PORKES
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/porkes.v9i1.29694

Abstract

Decreased physical activity and sleep disorders are common problems among older adults. Health literacy is thought to play a role in motivating healthy behaviors, but its relationship with physical activity and sleep quality among older adults in Indonesia has been little studied. The purpose of this study was to analyze the correlation between health literacy, physical activity, and sleep quality among older adults at a community health center. This study used a quantitative cross-sectional research method with 35 elderly respondents aged ≥ 65 years at the Lidah Kulon Community Health Center. Sampling was conducted using accidental sampling. Data were collected through guided interviews using the HLS-EU-Q16 health literacy, PASE physical activity, and PSQI sleep quality questionnaires. Data analysis used the Spearman Rank correlation test. The results of this study showed that most respondents were female 65.7% and aged 66-74 years 62.9%. No significant relationship was found between health literacy and physical activity (r=0.054; p=0.760) or sleep quality (r=-0.187; p=0.280). However, a strong and significant negative relationship was found between physical activity and sleep quality (r=-0.721; p=0.000). The conclusion of this study is that health literacy is not directly correlated with physical activity or sleep quality among the elderly at this health center.
Efektivitas Latihan Keterampilan Psikologis bagi Atlet Voli dalam Meningkatkan Kemampuan dan Membentuk Karakter (Kepribadian) Muhammad Arja Bahauddin; Febby Alfu Khoirun Nissa; Riska Devi Kurniawati; Soni Sulistyarto; Muhammad Muhammad
Jurnal Porkes Vol 9 No 1 (2026): PORKES
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/porkes.v9i1.32640

Abstract

This research problem in volleyball requires quick decision-making and solid teamwork, but many training programs still focus on physical and technical aspects, neglecting the development of structured psychological skills integrated with character building. This study aims to test the effectiveness of structured psychological skills training (PKP) in improving mental readiness, performance-related abilities, and character building in volleyball athletes. A total of 38 volleyball athletes participated in an eight-week PS program (three times/week) that included visualization, stress management, and goal setting. A quantitative experimental design was used with pre-test and post-test measurements using a modified Psychological Skills Inventory for Sports (PSIS). Data analysis used the Wilcoxon test and Spearman's correlation. The results of the study showed a significant increase in motivation, self-confidence, mental preparation, and emphasis on teamwork (p < 0.05). In addition, a significant positive correlation was found between intelligence and mental preparation (p=0.021), as well as cooperation and self-confidence (p=0.029). These improvements indicate that psychological interventions are effective in strengthening the cognitive-motivational aspects of athletes. The relationship between intelligence and cooperation with psychological skills confirms that cognitive abilities and social character contribute to athletes' mental toughness. In conclusion, structured PKP has been proven effective in improving the mental readiness and collaborative character of volleyball athletes. The systematic integration of psychological training into athlete development programs is highly recommended.