Konsep model latihan fisik pada sepakbola by Seftrio Putra, Emral  Emral, Arsil Arsil, Tjung Hauw Sin

“…Proses pengembangan model latihan holistik ini dilakukan melalui tahapan pertama yaitu mencari potensi masalah, pengumpulan data, disain produk, validasi disain, revisi disain, uji coba produk, revisi produk, uji coba pemakaian, dan revisi produk.Instrumen yang digunakan dalam penelitian, yaitu: 1) Angket/Kusioner penilain untuk pengembangan model, 2) Tes latihan fisik dengan Yo-Yo Intermitten Recovery Test (Yo-Yo IR test) pengembangan tes VO2Max untukmengetahui kemampuan Daya tahan seorang atlet. …”
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The Effect of Aerobic Endurance on Agility and Speed in Amateur Soccer Players by Turgut Kaplan, Maya Budak, Ömer Kahraman, İbrahim Halil Şahin

“…The mean age of the soccer players participating in the research; 24.61 ± 4.434 years, height; 181.50 ± 0.041 cm, mean body weight; 73.17 ± 6.364 kg, 30 meters mean speed; 4.663 ± 0.501 sec, pro-agility test means; Means of 5.713 ± 0.322 sec and VO2max; 44,163 ± 1.911 (ml/kg/min). In the study, the yo-yo test was used to determine VO2Max levels, the 30-meter sprint test to determine sprint performance, and the pro-agility test to determine agility performance. …”
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How effective is circuit training on physical fitness? A high-intensity study in the sport of futsal by John Paul C. Suniga, Joselito M. Custodio, Patrick John B. Roldan, Hatem A. Shlool, Mohammad Fayiz Abumoh'D

“…The instrument was carried out using the Yo-Yo Intermittent Recovery Test Level 1. Data analysis was assisted using the SPSS 26 application Results. …”
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Differences in Physical and Psychological Parameters in Sub-Elite, Male, Youth Soccer Players with Jumper's Knee Following Physical Therapy Compared to Healthy Controls: A Longitud... by Marc Niering, Thomas Muehlbauer

“…Outcome measures included muscle power (drop jump, jump-and-reach), change of direction speed \[CODS\] (acyclic sprint), speed (tapping, 30-m linear sprint), endurance (Yo-Yo intermittent recovery test level 1), the Achievement Motives Scale (AMS) Sport, and injury-/pain-related data. …”
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Effects of dribbling restrictions in small-sided games on aerobic and anaerobic fitness in youth basketball players by Mingbang Li, Liang Tan, Hong Wu, Jianwei Wu

“…Aerobic capacity was assessed using the Yo-Yo Intermittent Recovery Test Level 1 (YYIRT), while the 30-second Wingate Test measured peak power output (PPO) and average power output (APO) at baseline and post-intervention. …”
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Association between the attentional network efficiency and change of direction speed ability in young male Indian footballers by Debabrata Chatterjee, Santi Ranjan Dasgupta, Santi Ranjan Dasgupta, Arkadeb Dutta, Arkadeb Dutta

“…The present study aimed to investigate the association between CODS ability and the efficiency of alerting, orienting, and executive components of the attentional networks, and decision-making in footballers.MethodsSeventy-eight male footballers (age: 15.4 ± 0.87 years, BMI: 19.4 ± 1.98 kg/m2) during pre-season completed a battery of field tests comprising Illinois agility test (IAT), 30 m sprint, standing broad jump, and Yo-Yo test. Attentional network components and decision-making ability were tested in the participants with computerized Attentional Network Test-Interactions (ANT-I) and choice reaction time (CRT) tasks in the laboratory set-up. …”
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