Rahadyana Muslichah
Departemen Gizi Kesehatan, Fakultas Kedokteran, Kesehatan Masyarakat, Dan Keperawatan, Universitas Gadjah Mada

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Journal : Amerta Nutrition

Hubungan Komposisi Tubuh dan Kualitas Tidur dengan VO2max pada Atlet Remaja di SMAN Olahraga Sidoarjo dan SMAN 1 Sewon: The Relationship of Body Composition and Sleep Quality with VO2max in Adolescent Athletes at Sidoarjo Sports High School and Sewon 1 High School Mutiara, Fathirani; Muslichah, Rahadyana; Penggalih, Mirza Hapsari Sakti Titis
Amerta Nutrition Vol. 8 No. 3SP (2024): AMERTA NUTRITION SUPPLEMENTARY EDITION Special 4th Amerta Nutrition Conferenc
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/amnt.v8i3SP.2024.422-432

Abstract

Background: Body composition and sleep quality are body components that need to be considered in adolescent athletes. Both components can affect the level of maximum oxygen volume (VO2max) and become factors in increasing physical performance in adolescent athletes. Objectives: To determine the relationship between body composition and sleep quality with VO2max in adolescent athletes at Sidoarjo Sports High School and Sewon 1 High School. Methods: This cross-sectional study was conducted with 106 athletes selected by purposive sampling. Quantitative data were obtained using Bioelectrical Impedance Analysis (BIA), the Pittsburgh Sleep Quality Index (PSQI) questionnaire, and the Multistage Fitness Test. The statistical tests used were the Pearson Product Moment and Spearman Rank. Results: There was a significant negative relationship between the percentage of fat mass and VO2max in both combined subjects (r=-0.669, p-value<0.001), male (r=-0.295, p-value=0.026), and female (r=-0.486, p-value<0.001). There was a significant positive relationship between the percentage of muscle mass and VO2max both with combined subjects (r=0.628, p-value<0.001) and women (r=0.492, p-value<0.001). There was no significant relationship between sleep quality and VO2max but there was a relationship in the components of sleep quality, namely subjective sleep quality (r=-0.34, p-value=0.01) and sleep efficiency (r=-0.29, p-value=0.03) with VO2max in female athletes. Conclusions: Adolescent athletes with a low percentage of fat mass tend to have high VO2max, while adolescent athletes with a low percentage of muscle mass tend to also have low VO2max. There was no significant relationship between sleep quality and VO2max.
Pengetahuan dan Sumber Informasi Anti-Doping di Kalangan Atlet Indonesia: Penguatan Praktik Olahraga Bersih: Anti-doping Knowledge and Information Sources Among Indonesian Athletes: Strengthening Clean Sport Penggalih, Mirza Hapsari Sakti Titis; Muslichah, Rahadyana; Niamilah, Ibtidau; Solichah, Kurnia Mar'atus; Reswati, Vigur Dinda Yulia; Muarifati, Shafira Husna; Adi, Afifah Laksita
Amerta Nutrition Vol. 9 No. 4 (2025): AMERTA NUTRITION (Bilingual Edition)
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/amnt.v9i4.2025.710-721

Abstract

Background: Doping threatens sport and athlete health. Limited knowledge and insufficient access to anti-doping education increase the risk of intentional or unintentional violations. In Indonesia, very few studies have focused on athletes’ understanding of anti-doping regulations and their educational experiences. Objectives: This study aimed to identify the level of anti-doping knowledge and the sources of information that athletes received as a basis for strengthening clean sport practices. Methods: This cross-sectional quantitative study enrolled 149 Indonesian athletes who answered an online standardized questionnaire previously tested for validity and reliability. The instrument encompassed knowledge and educational experiences related to anti-doping. To examine differences in knowledge scores across demographic characteristics, data were analyzed descriptively and by bivariate comparisons. Results: Participants were predominantly 12–17 years old (58.4%), male (65.1%), and represented 18 sports disciplines. Only 36.9% had ever received anti-doping education, and most information was received from coaches. The mean knowledge score was 68.5 (SD=19.9), with 38% classified as having a good knowledge level. Age was the only demographic factor significantly associated with knowledge scores (p-value=0.039). Conclusions: Indonesian athletes generally have moderate anti-doping knowledge, with notable disparities between age groups and weaknesses in specific areas of understanding. Most athletes reported receiving anti-doping information from coaches and the Indonesia Anti-Doping Organization. These findings highlight the need to develop more targeted and experience-based education strategies that actively involve key stakeholders to ensure consistent and standardized delivery of information.