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Dhany Diva Pradana
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Differences in the effects of resistance band and plank exercises on arm muscle endurance in archers at the blora archery club Rachelino Wira Purnama; Pangestu, Arif; Frederico Rifqi; Lavaya Yuri Andjani; Danendra Luhung Saskara; Dhany Diva Pradana
Jorpres (Jurnal Olahraga Prestasi) Vol. 21 No. 2 (2025)
Publisher : Departement of Sports Coaching, Faculty of Sports Sciences, Universitas Negeri Yogyakarta

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This study aims to determine the difference in the effects of resistance band and plank exercises on arm muscle endurance in archery athletes at the Blora Archery Club. The background of this study is based on the low variety of physical conditioning exercises and the weak arm muscle endurance of athletes, which affects their stability when shooting. The research method used is an experiment with a two-group pretest-posttest design. The research sample consisted of 12 archery athletes aged 13–17 years, who were divided into two groups using the ordinal pairing technique. The first group was given resistance band training, while the second group was given plank training for 16 sessions over a period of two months. The data collection instrument used was the Holding Bow Test. Data analysis was performed through normality tests, homogeneity tests, and paired sample t-tests. The results showed that both training methods had a significant effect on increasing the arm muscle endurance of archery athletes. However, plank exercises showed greater improvement than resistance band exercises, with correlation values of 0.938 and 0.876, respectively. Based on these results, it can be concluded that although both training methods are effective, plank exercises are superior in improving the arm muscle endurance of archery athletes. Therefore, it is recommended that coaches systematically combine both training methods to optimize athlete performance.
Variances in the effect of caffeine in arabica coffee and robusta towards the aerobic endurance and the heart rate of football players from persatuan sepak bola condong catur FC (PSCC FC) Ahmad Sujiono; Hardopo Putro, Kukuh; Az Zahra Aulia Ramadhanti; Dhany Diva Pradana; Nadine Nata Safitri; Kisy Jastin Tjeleni; Muhammad Rizqi Eka Putra; Mohamad Althaf YA Ala; Andina Nuary Fitra Nugroho; Shaq Santosa; Dwi Wulansari
Jorpres (Jurnal Olahraga Prestasi) Vol. 21 No. 2 (2025)
Publisher : Departement of Sports Coaching, Faculty of Sports Sciences, Universitas Negeri Yogyakarta

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This research seeks to ascertain the variances in the effects of caffeine from Arabica and Robusta coffee on endurance and the heart rate. This research was a descriptive comparative study with 45 samples, utilizing a complete sampling technique followed by random sampling to categorize them into three groups. The data collecting method involved the measurement of the resting heart rate, post-bleep test, recovery, and during the bleep test. An independent sample t-test was employed to examine the differences in VO2max values and heart rates between Arabica and Robusta coffee. The research findings indicate substantial variations in the endurance capabilities of the Arabica and Robusta groups, with a computed t-value of 8.335 exceeding the t-table value of 2.048, and a significance level of 0.000, which is less than 0.05. The disparity in the bleep test results between the Arabica and Robusta groups is at 6.613. The resting pulse rates of the Arabica and Robusta groups show no significant difference, with t values of pulse 0 at -0.277, pulse 1 at -1.248, pulse 2 at -1.430, and pulse 3 at -0.929, compared to a t table value of 2.048. The significance values are 0.784, 0.223, 0.164, and 0.361. 0.05 The recovery pulse rate of the Arabica and Robusta groups show no significant difference, with a t count of -0.929 (t table 2.048) and a significance value of 0.361. 0.05 The disparity in the bleep test results between the Arabica and Robusta groups is at 2.933. The recovery pulse of the Arabica and Robusta groups show no significant difference, with a t value of 1.910 for pulse 5 and 0.624 for pulse 6, compared to a t table value of 2.048. Has a significance value of 0.066, 0.538 > 0.05. Arabica coffee enhances endurance more markedly than Robusta coffee. Robusta coffee can elevate resting heart rate and heart rate following a bleep test. Robusta coffee might also expedite the recovery pulse more than Arabica coffee.
Co-Authors Ahmad Sujiono Andina Nuary Fitra Nugroho Az Zahra Aulia Ramadhanti Danendra Luhung Saskara Dwi Wulansari Frederico Rifqi Hardopo Putro, Kukuh Kisy Jastin Tjeleni Lavaya Yuri Andjani Mohamad Althaf YA Ala Muhammad Rizqi Eka Putra Nadine Nata Safitri Pangestu, Arif Rachelino Wira Purnama Shaq Santosa