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All Journal Journal Coaching Education Sports INSPIREE: Indonesian Sport Innovation Review
Tumanggor, Muhammad Farhan
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Humanities Education Health Professions Public Health Social Sciences

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Influence of Different Strength Training Protocol on Breaststroke Performance in Competitive Swimmers Manalu, Nimrot; Fathynah SS, Syarifah; Panjaitan, Ivan Reano; Situmorang, Alifian Dwi Putra; Rivaldi, Deo; Tumanggor, Muhammad Farhan
INSPIREE: Indonesian Sport Innovation Review Vol. 6 No. 01 (2025): January 27
Publisher : INSPIRETECH GLOBAL INSIGHT & DPE Universitas Pahlawan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53905/inspiree.v6i01.140

Abstract

The  purpose  of  the study. This study aims to evaluate the effects of different strength training protocols on breaststroke performance in competitive swimmers, focusing on physiological adaptations, biomechanical efficiency, and performance outcomes. Materials and methods. A 24-week randomized controlled trial was conducted with 48 competitive breaststroke swimmers (26 male, 22 female, aged 18–25 years). Participants were assigned to three groups: traditional endurance training, high-intensity interval training (HIIT), and an integrated approach combining HIIT with technical refinement. Training intensity, volume, and technical components were systematically varied and monitored. Performance metrics, physiological adaptations, and biomechanical parameters were analyzed using mixed-effects linear models and Cohen’s d to determine effect sizes. Results. The integrated training group demonstrated the most significant improvements across all metrics. Performance times decreased by 2.3% (50m), 2.7% (100m), and 3.1% (200m) compared to smaller gains in the traditional and HIIT-only groups. Biomechanical efficiency improvements included increased stroke length (10.2%) and reduced drag coefficient (12.4%). Physiological enhancements, such as a 12.3% increase in lactate threshold speed and 8.5% improvement in VO₂max, were also observed. Conclusions. An integrated approach combining HIIT with technical skill development yields superior outcomes in breaststroke performance compared to traditional or HIIT-only protocols. This holistic training method optimizes both physiological and biomechanical adaptations, offering a robust framework for enhancing competitive breaststroke swimming.
Survey of Level of Satisfaction of Rafting Tourists in Bingai River Explore Sumatra Langkat Regency North Sumatera Year 2025 Sembiring, Robi Eykel Gantina; Ibrahim, Ibrahim; Hutagalung, Rinaldi Rahman; Sihombing, Rai Deri; Manik, Meylin Olivia Putri; Tumanggor, Muhammad Farhan; Bahri, Attila; Annur, Fausiah; Marbun, Styven Horas Parasian; Hanum, Dwi; Gressya, Iche; Sukri, Royhan
Journal Coaching Education Sports Vol. 6 No. 2 (2025)
Publisher : Program Studi Pendidikan Kepelatihan Olahraga Fakultas Ilmu Pendidikan Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/qvj7ax93

Abstract

The purpose of this study was to determine the level of visitor satisfaction at Explore Sumatra in 2025 with the services provided by the manager. This research was conducted at the Explore Sumatra operator Sungai Bingai, Langkat Regency, North Sumatra Province. Data collection starts from January 08 - March 09, 2025. The number of samples in this study amounted to 40 people. This research is a type of descriptive research using the survey method, data collection techniques using the accidental sample method (accindental sampling). The instrument used is a questionnaire, with validity and reliability tests. To analyze the data used descriptive quantitative with percentages. The results showed that the level of visitor satisfaction with the services provided by Explore Sumatra operators was in the “Quite Satisfied” category of 55%. And the results of research based on elements, namely: (1) Attracions (“Quite Satisfied”: 57.5%), (2) Facilities (“Satisfied”: 95%), (3) Infrastructure (“Less Satisfied”: 75%), (4) Transportations (‘Satisfied’: 55%), (5) Hospitally (“Satisfied”: 50%). It can be concluded that the level of satisfaction that has been given by the manager of Explore Sumatra to visitors is in the “Quite Satisfied” category.
Co-Authors Annur, Fausiah Bahri, Attila Fathynah SS, Syarifah Gressya, Iche Hanum, Dwi Hutagalung, Rinaldi Rahman Ibrahim Ibrahim Manalu, Nimrot Manik, Meylin Olivia Putri Marbun, Styven Horas Parasian Panjaitan, Ivan Reano Rivaldi, Deo Sembiring, Robi Eykel Gantina Sihombing, Rai Deri Situmorang, Alifian Dwi Putra Sukri, Royhan