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All Journal JSSF : Journal of Sport Science and Fitness Physical Education and Sports: Studies and Research
Damayanti, Enarnimas Dwi Ratna
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Relative Leg Press Strength Related to Basal Metabolic Rate (BMR), Body Mass, And Body Fat in Female University Students: Implications for The Prescription of Exercise Fauzi Antoni, Muhamad; Damayanti, Enarnimas Dwi Ratna; Suyoko, Andri; Samudra, Fajar Eka; Andriana, Laily Mita; Yudhistira, Dewangga
Journal of Sport Science and Fitness Vol. 11 No. 1 (2025): Journal of Sport Science and Fitness
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jssf.v11i1.31029

Abstract

Introduction: Muscle strength affects metabolic activity and overall well-being, making it a critical component of physical fitness. Objectives: This study examines the relationship between university students' body weight, body fat, leg press strength, and Basal Metabolic Rate (BMR). Method: This study used a cross-sectional analytical design, selected using the purposive sampling technique with comprising female undergraduate students, sport coaching education enrolled in the Faculty of Sports Science at Surabaya State University, 56 participants with the following characteristics:  who were aged (17.4 ± 2.7 years), had a height of (152.5 ± 29.47) cm, and had a weight of (55.15 ± 11.34 kg). Result: The results showed that there was a positive correlation between Basal Metabolic Rate (BMR) and leg press strength (r = 0.283, p = 0.034), indicating that greater lower body strength may help increase metabolism. In contrast, there was no significant correlation between body mass with leg press strength (r = 0.197, p = 0.146) and body fat with leg press strength (r = -0.111, p = 0.417), possibly due to individual differences in muscle distribution and fat storage. Conclusion: These findings emphasize the importance of strength training in improving weight control and metabolic health, especially in females. The study additionally highlights the necessity of additional investigation to gain a deeper comprehension of the mechanisms underlying these relationships and to explore other contributing factors. Overall, this study tells fitness experts how important a customized strength training program is for improving the metabolism and physical health of female college students. 
The combination of plyometric and ladder drills can improve acceleration and footwork skills in badminton players Rasyid, Muhammad Labib Siena Ar; Wiriawan, Oce; Rusdiawan, Afif; Andriana, Laily Mita; Damayanti, Enarnimas Dwi Ratna
Physical Education and Sports: Studies and Research Vol. 5 No. 1 (2026): Physical Education and Sports: Studies and Research
Publisher : CV Rezki Media

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56003/pessr.v5i1.669

Abstract

Background: Recognized globally as the fastest racket sport in the world, badminton demands exceptional acceleration and footwork skills for competitive success. However, many intermediate players often struggle to produce the explosive power needed for fast-paced rallies. To enhance these physical attributes, targeted training interventions, such as a hybrid regimen of plyometric and ladder drills, are often required. Objectives: This study aims to analyze the efficacy of integrating plyometric exercises with ladder drills in enhancing acceleration and footwork proficiency among badminton players. Methods: This research employed a quasi-experimental design with a non-equivalent control group. Through purposive sampling, 24 male participants (aged 14-16 years) with at least 2 years of training experience, good health, and no history of recent injuries were selected. They were assigned to either the PLD Group (age: 15.00 ± 0.74 years; height: 162.00 ± 0.07 cm; weight: 50.58 ± 5.68 kg; BMI: 19.20 ± 0.88 kg/m²) or the CV Group (age: 15.00 ± 0.85 years; height: 162.08 ± 0.08 cm; weight: 51.75 ± 8.05 kg; BMI: 19.59 ± 1.56 kg/m²). The intervention spanned six weeks, with three sessions per week. Performance in acceleration was assessed using a 10-meter sprint, and footwork skills were assessed using the footwork skills test (Tohar version) pre- and post-intervention. Data analysis employed the Wilcoxon signed-rank and the Mann-Whitney tests. Results: The Wilcoxon analysis indicated that both the PLD and CV Groups achieved improvements in acceleration and footwork skills (p<0.05). However, the Mann-Whitney test revealed a statistically significant difference between the two groups, with the PLD Group demonstrating superior gains in both acceleration (p<0.05) and footwork skills (p<0.05) compared to the CV Group. Conclusions: Integrating plyometric training and ladder drills is an effective strategy for significantly improving acceleration and footwork skills in badminton players.
Co-Authors Andriana, Laily Mita FAUZI ANTONI, MUHAMAD Oce Wiriawan Rasyid, Muhammad Labib Siena Ar Rusdiawan, Afif Samudra, Fajar Eka Suyoko, Andri Yudhistira, Dewangga