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All Journal Jurnal Pendidikan Olah Raga JURNAL PENDIDIKAN JASMANI DAN OLAHRAGA Gelanggang Olahraga: Jurnal Pendidikan Jasmani dan Olahraga (JPJO) Jurnal Aisyah : Jurnal Ilmu Kesehatan ACTIVE: Journal of Physical Education, Sport, Health and Recreation Journal of Physical Education Health and Sport Jurnal Abmas
Jajat Darajat Kusumah Negara
Universitas Pendidikan Indonesia
Education Health Professions Medicine & Pharmacology Nursing Public Health Veterinary Other

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Skeletal Muscle Mass Predicts SmO2 and Physical Performance in Adolescent Badminton Athletes Using NIRS Nida Farida; Jajat Darajat Kusumah Negara; Agus Gumilar
ACTIVE: Journal of Physical Education, Sport, Health and Recreation Vol. 15 No. 2 (2026)
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/active.v15i2.57787

Abstract

Near-Infrared Spectroscopy (NIRS) allows real-time assessment of muscle oxygenation via muscle oxygen saturation (SmO₂). This study investigated how skeletal muscle mass (SMM) influences the SmO₂ ratio and physical performance in adolescent badminton players. Using a quasi-experimental, one-time case study design, ten adolescent athletes from PB Mutiara Cardinal Bandung were selected by purposive sampling. SMM was measured with a Tanita Body Composition Analyzer, SmO₂ ratio recorded by a NIRS-based Moxy Monitor, and aerobic capacity (VO₂Max) estimated through the Bleep Test. Data underwent descriptive analysis, Shapiro–Wilk normality testing, linearity assessment, and simple linear regression. Results indicated a positive association between SMM and SmO₂ ratio (R = 0.625; R² = 0.390; Sig = 0.053), with SMM accounting for 39.0% of SmO₂ ratio variance, though this relationship did not reach statistical significance. Conversely, SMM showed a significant positive effect on physical performance (R = 0.709; R² = 0.503; Sig = 0.022), explaining 50.3% of VO₂Max variance. These results imply that while greater skeletal muscle mass predicts better aerobic performance in adolescent badminton athletes, it is not the primary determinant of SmO₂ ratio.  
The Impact of the Menstrual Cycle on Athlete Self-Efficacy Alya Daviyati; Tite Juliantine; Jajat Darajat Kusumah Negara; Sucipto
Journal of Physical Education Health and Sport Vol. 13 No. 1 (2026)
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpehs.v13i1.47990

Abstract

Menstrual cycle fluctuations shape the physiological and psychological landscape of female athletes, yet self-efficacy a central construct in sport psychology remains under-theorized at this intersection. Comprehensive synthesis integrating bibliometric trends with systematic evidence is absent. This study conducted a bibliometric-systematic literature review examining menstrual cycle effects on self-efficacy in female athletes from 2010 to April 2026. We analyzed 1,446 peer-reviewed articles from 809 Scopus-indexed journals using bibliometrix (R) version 4.1.4 and igraph. Quality assessment employed a hybrid instrument integrating CASP, Cochrane RoB 2.0, JBI, and a menstrual-cycle-specific criterion (κ=0.82). Six research questions addressed cycle-phase effects, measurement validity, sport-discipline variance, cultural moderators, age-level differences, and policy implications. Publication output grew exponentially from 35 articles in 2010 to 245 in 2025 (annual growth rate 5.22%), with 59.6% concentrated in 2021-2026. Logistic modeling projected peak productivity at 2026.4 (R²=0.660). Geographic concentration in North America and Europe reached 78.1%; Southeast Asia showed near-zero representation. Five thematic clusters emerged: Physiological-Hormonal, Applied Sports Activity, Psychosocial Factors, Reproductive Health, and Methodological. Of 1,446 articles, 167 (11.5%) satisfied all four core constructs (menstruation × athlete × female × self-efficacy). A central paradox emerged: 52.1% discussed self-efficacy or confidence, but only 4.7% used "self-efficacy" as an explicit keyword. Self-efficacy declined in menstrual and late-luteal phases and peaked in late-follicular phase (d=0.15-0.45). Hormonal-confirmation methods produced smaller effect sizes than calendar self-report, revealing over-estimation bias in pre-2019 literature. Aesthetic sports showed highest sensitivity; team sports lowest. Methodological quality rose from 6.2/10 (2010-2015) to 8.2/10 (2021-2026). The field stands at a growth-to-maturity transition with substantial opportunities in non-Western contexts. We propose three integrative frameworks: a Biopsychosocial Self-Efficacy Model, a Cultural-Hormonal Interaction Model, and a Measurement-Validity Framework. Future research should prioritize longitudinal designs with culturally diverse populations, particularly from Southeast Asia.
Co-Authors Aceng Hilman Ach Farhan Nur Hidayat Adika Fatahilah Agus Gumilar Alya Daviyati Arif Wahyudi Betrisya Irwandi Burhan Hambali Dr. Tite Juliantine,M.Pd Eric Muhammad Ginanjar Fadhli Munadi Manalu Helmy Firmansyah Irman Felisiana Miftahul Khoir Komarudin, Komarudin Nida Farida Novia Laila Fitri Nuryadi, , Rion Hendrianto Salsa Eka Putri Sinta Tiara Yuniar Sucipto Sucipto Sufyar Mudjianto Titik Syadiah Tri Martini Vanya Raissya Yunyun Yudiana Yusuf Hidayat