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All Journal Indonesian Journal of Physical Education and Sport Science (IJPESS)
Faraj, Abdullah Shanta
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Arts Computer Science & IT Education Health Professions Social Sciences

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Pengaruh Latihan Isokinetik Mirip dengan Performa terhadap Pengembangan Kekuatan Kaki dan Prestasi Lompat Jauh Putri Jabbar, Ansam Khazaal; Faraj, Abdullah Shanta
Indonesian Journal of Physical Education and Sport Science Vol. 5 No. 2 (2025): June: Indonesian Journal of Physical Education and Sport Science
Publisher : Indonesian Journal of Physical Education and Sport Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52188/ijpess.v5i2.1160

Abstract

Study purpose. This study aims to identify the effect of Isokinetic similar to performance exercises to develop legs muscular strength and achievement of female long jump, women have less muscle mass, therefore less strength, so the strength level of female athletes must be developed in various ways, including using isokinetic exercises. Materials and methods. The research method using experimental was used the experimental design of random selection equivalent groups with pre- and post-observation, Researcher selected sample intentionally, The research community was composed of (9) national team long jumpers. The sample was selected with (8) players, and (1) player was excluded due to her high achievement of 5 m., which affects homogeneity and equality. The validity and reliability of instruments rely on extracted coefficient of self-truthfulness, and by test and retest to inform tests stability. Results: Results of research showed that isokinetic exercises similar to performance have a positive effect on level of achievement among female long jump players, which were represented in physical variables and level of achievement, and that there were in variables of physical abilities and level of achievement, where they excelled. Conclusion. Concluded that experimental group that used Isokinetic similar to the performance  exercises achieved the training objects in developing the muscular strength and achievement of female long jump. Accordingly, it was recommended the adoption of exercises Isokinetic similar to the performance  as it achieved the training objects in developing legs muscular strength and achievement of female long jump.
Pengaruh Latihan Isometrik Eksentrik terhadap Pengembangan Daya Tahan Otot Kaki dan Performa Lari 800m pada Remaja Faraj, Abdullah Shanta; Jabbar, Ansam Khazaal
Indonesian Journal of Physical Education and Sport Science Vol. 5 No. 3 (2025): September: Indonesian Journal of Physical Education and Sport Science
Publisher : Indonesian Journal of Physical Education and Sport Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52188/ijpess.v5i3.1281

Abstract

Study purpose. This study aims to enhancing muscle strength, particularly endurance, to achieve the desired 800-meter running feat through the use of appropriate and effective exercises that address muscle contraction in the direction of movement, as in eccentric isotonic exercises. Materials and methods. To achieve the research objectives and address the problem, the researcher used the experimental method with an equivalent control and experimental group design. The researcher defined the research population as (10) youth runners (800 meters) at Al-Qurna Sports Club. Then the sample was selected, which amounted to (8) players, and (2) players were excluded due to the achievement achieved, which affects homogeneity and equivalence. The sample was divided randomly into two groups, a control and an experimental group, with (4) players for each group. Results. Results of research showed that there was an improvement for the control and experimental groups in the research variables, especially the strength endurance of the legs and the achievement in running (800 meters). This is evidence of the success of the exercises used for both groups, which achieved the objectives of the training used. Conclusion. This study found Eccentric isotonic exercises achieved the training goal of developing leg muscle endurance and completing the 800-meter run for young men. It was recommended that Eccentric isotonic exercises be adopted because they achieved the training goal of developing leg muscle endurance and completing the 800-meter run for young men.
Co-Authors Jabbar, Ansam Khazaal