Mufarid, Andi Muhammad Rizky Al
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Experimental Study: The Impact of Isometric Training on Increasing Muscle Capacity and Energy Efficiency in Soccer Athletes Fatoni, Fatoni; Juhanis; Ihsan, Andi; Hamzah, Fajri; Mufarid, Andi Muhammad Rizky Al
Jurnal Pendidikan Kepelatihan Olahraga Undiksha Vol 16 No 2 (2025): Juli 2025
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jpko.v16i2.95442

Abstract

Abstract This study aims to examine the impact of isometric training on increasing muscle capacity and energy efficiency in soccer athletes. A total of 30 soccer athletes from the Faculty of Sport and Health Sciences, Universitas Negeri Makassar (UNM) were divided into two groups, namely the experimental group that underwent isometric training for 8 weeks and the control group that did not undergo the treatment. The isometric training program was carried out 3 times a week, with a duration of each training session of 30 minutes. The variables measured in this study included muscle strength, energy efficiency, oxygen use, and heart rate. Measurements were taken before and after the intervention in both groups to evaluate the differences that occurred. The results showed that the experimental group experienced a significant increase in muscle strength (from 75.4 ± 6.5 kg to 82.7 ± 5.4 kg) and energy efficiency (from 65.2 ± 4.3% to 70.8 ± 3.7%). In addition, there was a significant decrease in oxygen utilization (from 42.3 ± 3.1 ml/kg/min to 39.8 ± 2.8 ml/kg/min) and heart rate (from 138.5 ± 10.2 bpm to 132.4 ± 9.1 bpm). In contrast, the control group did not show significant changes in these variables. Based on these findings, it can be concluded that isometric training has a positive effect on increasing muscle strength and energy efficiency, as well as decreasing oxygen utilization and heart rate in soccer athletes.
Small Ball Game Learning Model Through the Application of Simple Tools for Elementary School Students Fadli, Muhammad; Hasanuddin, M. Imran; Mufarid, Andi Muhammad Rizky Al
JIPES - JOURNAL OF INDONESIAN PHYSICAL EDUCATION AND SPORT Vol. 11 No. 02 (2025): JIPES (Journal of Indonesian Physical Education and Sport)
Publisher : Program Pascasarjana Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/JIPES.112.04

Abstract

This study aims to develop a small-ball game learning model through the use of simple equipment for elementary school students. The common problems encountered in teaching small-ball games include limited facilities and infrastructure, as well as the lack of learning modifications suited to the characteristics of elementary school students. The research method used is a development study with a Research and Development (R&D) approach. The subjects of the study were 60 fourth- and fifth-grade elementary school students. The learning model was developed by modifying game equipment using simple, easily obtainable materials adjusted to students’ motor abilities. The results show that the small-ball game learning model using simple equipment is effective in improving basic motor skills, learning motivation, and students’ active participation in physical education learning. Expert validation indicates that the model is feasible to implement, with a feasibility rate of 87.5%, and the effectiveness of learning increased by 78.3%. This learning model can serve as an alternative solution for schools with limited facilities to optimize small-ball game learning in elementary schools.