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All Journal Jurnal Keolahragaan ACTIVE: Journal of Physical Education, Sport, Health and Recreation
Intan Suraya Ellyas
Universitas Sebelas Maret
Health Professions Other

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Effect of circuit weight training on aerobic fitness, body fat percentage, muscle mass percentage, and hand grip strength in the elderly Intan Suraya Ellyas; Sunardi Sunardi; Muhammad Mariyanto; Sarjoko Lelono; Agus Margono; Agus Kristiyanto
Jurnal Keolahragaan Vol 11, No 2: September 2023
Publisher : Program Studi Ilmu Keolahragaan Program Pascasarjana Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jk.v11i2.65453

Abstract

The purpose of this study was to determine the effect of weight training using circuit methods on aerobic fitness, body fat percentage, muscle mass percentage, and hand grip strength. This study is a one-group pretest-posttest quasi-experimental study with a sample of the elderly gymnastics group Sehat Bugar Ceria in Karanganyar Regency, Indonesia. Twenty-seven study subjects aged 60–75 participated in the exercise for 12 meetings. All research subjects can take all pretests and posttests in the form of a six-minute walk test, a hand grip strength test using a handgrip dynamometer, and body composition testing using bioelectrical impedance analysis. Changes that occurred before and after exercise were analyzed using paired t-tests. This study showed that aerobic fitness increased significantly (p = 0.001), body fat percentage decreased significantly (p = 0.008), but there was no significant change in the percentage of muscle mass (p 0.05) or hand grip strength (p 0.05). The results of this study showed that weight training using circuit methods can improve aerobic fitness and reduce body fat percentage in the elderly group.
Body Composition, Physical Activity and VO2max in Untrained Adolescents Miftah Fathi El Ghina; Muchsin Doewes; Intan Suraya Ellyas
ACTIVE: Journal of Physical Education, Sport, Health and Recreation Vol. 14 No. 1 (2025)
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/active.v14i1.17026

Abstract

Decreased physical activity and increased adolescent sedentary lifestyles have become global cardiovascular fitness issues. Unbalanced body composition contributes to low cardiovascular fitness and increases the risk of metabolic disorders. This study aims to analyze the relationship between body composition and physical activity on VO2max in untrained adolescents. This observational analytical study with a cross-sectional design was conducted on untrained adolescents aged 15-18. Body composition was measured using the Xiaomi Body Composition Scale S400. Physical activity levels were measured using the International Physical Activity Questionnaire (IPAQ). VO2max was measured using the Multistage Fitness Test. Physical activity significantly contributed to in untrained adolescents (r=0.675; p=0.000). Total body water had the strongest positive correlation with VO2max (r=0.474;p=0.003), followed by percentage muscle mass (r=0.413;p=0.010) and bone mineral (r=0.401;p=0.013). Body Mass Index (r=-0.418;p=0.009), percentage body fat (r=-0.412;p=0.010), muscle mass (r=-0.403;p=0.012), fat-free mass (r=-0.401;p=0.012) and Basal Metabolic Rate (r=-0.401;p=0.013) showed significant negative correlation with VO2max. Increasing physical activity and improving body composition are key strategies to increase VO2max in adolescents. Interventions involving schools, families, and the community are needed to promote an active lifestyle in this population. The results of this study provide a scientific basis for the development of effective and sustainable fitness programs.
Co-Authors Agus Kristiyanto Agus Margono Miftah Fathi El Ghina Muchsin Doewes Muhammad Mariyanto Sarjoko Lelono Sunardi Sunardi