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All Journal Jurnal Keolahragaan Journal of Coaching and Sports Science
Alexandre Sibomana
University of Burundi
Education Health Professions Social Sciences

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The effect of barrier hops and bench jumping exercises on increasing Inkado athletes’ speed in mawashi geri Leni Marlina; Syamsuar Syamsuar; Damrah Damrah; Ilham Ilham; Septri Septri; Alexandre Sibomana
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.v11i2.65048

Abstract

This study aim to determineeffect of barrier hops and bench jumping exercises on increasing Inkado athletes’ speed in mawashi geri. This study employed an experimental method with a two groups pretest-posttest design. The research population was athletes form Inkado Tanjungpinang City. The sampling technique used purposive sampling, with the criteria that (1) attendance was at least 75% (actively participating in training). (2) sampel were athletes who participated in training at Dojo Inkado Tanjungpinang City with an age range of 9-19 years, (3) gender male and female. (4) the length of the training period is at least 6 months. Based on these criteria, there were 24 people. Tthe barrier hops hypothesis test with a significant value of 0.000, jumping up and down the bench is 0.000, and the corparison of the two experiments is 0.119. The results showed that based on the T test found a significant value of 0.119 greater than 0.05. These results explain that there is no significant difference between the Posttest Barrier Hops Exercise and Bench Jump Exercises for Mawashi Geri in Karate. The Posttest average of the Barrier Hops group was 72.83 and the group Jumping Up and Down the Benc had an average of 74.00. seen from the difference in the posttest value of barrier hop and jumoing up and down the banch is 1.167. Thus the duffereence in the posttest shows that jumping up and down the bench is better than barrier hops exercise to improve mawashi geri in karate.
The Effect of Groundstroke Forehand Exercise on Speed and Agility in 14 to 16-year-old Tennis Athletes Rices Jatra; Alnedral Alnedral; Kamal Firdaus; Nagoor Meera Abdullah; Alexandre Sibomana
Journal of Coaching and Sports Science Vol. 3 No. 2 (2024): Journal of Coaching and Sports Science
Publisher : CV. FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/002024335800

Abstract

This research addresses gaps by developing a holistic training model that integrates essential elements for optimal tennis performance. The study explores how physical conditioning can enhance agility, speed, and overall performance of junior athletes aged 14 to 16, focusing on forehand drive. The aim is to provide insights for coaches and players by integrating physical and technical training to improve performance. The scope includes evaluating the effectiveness of a forehand drive training program supplemented with speed and agility exercises for junior tennis players. An experimental one-group pre-test-post-test design was employed. Eleven tennis athletes from the Nusalima Tennis Academy participated. Speed was measured using a 20-meter sprint, and agility was calculated using the 505 Agility Test. The training program spanned 12 sessions over four weeks. Statistical analysis included mean, standard deviation, normality tests, and t-tests. Pre-test and post-test results showed significant improvements in speed and agility. The t-test values indicated statistical significance, confirming the effectiveness of the forehand drive training model. Players demonstrated enhanced neuromuscular adaptation, muscle strength, coordination, and reaction time. The study concludes that the forehand drive training model significantly improves speed and agility in junior tennis players. The findings support the theory that focused and structured training enhances physical abilities and performance. Additionally, the research highlights the long-term health benefits of intensive tennis training, such as improved cardiovascular health and overall fitness. The training model can be widely applied to develop well-rounded athletes in tennis programs.
Co-Authors Alnedral Damrah, Damrah Ilham Ilham Kamal Firdaus Leni Marlina Nagoor Meera Abdullah Rices Jatra Septri, Septri Syamsuar Abbas