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Updated: Jul 2, 2025

A Real-World High-Intensity Interval Training Protocol for Cardiorespiratory Fitness Improvement
Published on: February 22, 2022
Comparative Effects of Two High-Intensity Intermittent Training Programs on Sub-Elite Male Basketball Referees'
David Suárez-Iglesias1,2, Alejandro Rodríguez-Fernández1,2, Alejandro Vaquera1,2
1VALFIS Research Group, Department of Physical Education and Sports, Institute of Biomedicine (IBIOMED), Universidad de León, 24071 León, Spain.
Both repeated sprint ability (RSA) training and high-intensity intermittent training (HIIT) significantly improved basketball referees' sprint performance and aerobic fitness over 8 weeks. These training methods offer similar benefits for referee conditioning.
Area of Science:
- Sports Science
- Exercise Physiology
Background:
- Sub-elite basketball referees require high levels of aerobic fitness and repeated sprint ability (RSA) to perform effectively during matches.
- Optimizing training programs for referees is crucial for enhancing on-court performance and reducing fatigue.
Purpose of the Study:
- To compare the efficacy of an 8-week training program using either repeated sprint ability (RSA)-based training or running-based high-intensity intermittent training (HIIT) on the physical capabilities of sub-elite basketball referees.
- To assess the impact of these distinct training protocols on both aerobic fitness and RSA performance.
Main Methods:
- Twenty male sub-elite basketball referees participated in a supervised 8-week training intervention, with sessions conducted twice weekly.
- Participants were randomly allocated to either an RSA-based group (RSAG) performing repeated 20-m sprints or a running-based HIIT group (HIITG) performing 20-s runs at high intensity.
- Pre- and post-training assessments included a graded exercise test, the 30-15 intermittent fitness test (30-15 IFT), and a repeated sprint ability (RSA) test.
Main Results:
- Both the RSAG and HIITG demonstrated significant improvements in the fastest and mean sprint velocities during the RSA test (approximately 3% increase, p < 0.05).
- Significant enhancements were also observed in the maximal velocity achieved during the 30-15 IFT in both training groups (p < 0.05).
- No significant differences in the magnitude of improvement were noted between the RSA-based and HIIT-based training groups for the assessed parameters.
Conclusions:
- An 8-week training intervention incorporating either RSA-based drills or running-based HIIT yields comparable improvements in repeated sprint ability and specific aerobic fitness markers for basketball referees.
- These findings suggest that both training modalities can be effectively utilized to enhance the physical conditioning of sub-elite basketball referees.
- The study provides valuable insights for coaches and sports scientists in designing targeted and efficient training programs for basketball officials.
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