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Reactive strength ability is associated with late-phase sprint acceleration and ground contact time in field sport athletes
Date
2025
Abstract
This study investigated the relationship between reactive strength and sprint acceleration performance in elite under-21 hurling athletes. Reactive strength was assessed using the 10/5 Repeated Jump Test (RJT), while sprint performance was measured over 30 m with split times at 5, 10, 20, and 30 m. Twenty-four male players participated in the study. The results revealed large, significant correlations between reactive strength index (RSI) and sprint times in the 5–10 m, 10–20 m, and 20–30 m splits but not in the initial 0–5 m phase. Further analysis showed that athletes with higher RSI scores exhibited significantly shorter ground contact times (CTSPRINT) and superior sprint performance in the 20–30 m segment without compromising step length. These findings suggest that reactive strength plays a crucial role in mid-to-late-phase acceleration, likely due to the ability to produce force rapidly during short ground contact durations. The study also identified a significant, negative correlation between RSI and CTSPRINT, indicating a possible mechanical link. These results support the inclusion of reactive strength development in training programs aiming to enhance sprint performance, especially in field sports requiring repeated high-intensity sprints.
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Description
Publisher
MDPI
Citation
Applied Sciences, 2025, 15, 6910
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Funding Information
Sustainable Development Goals
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License
Attribution-NonCommercial-ShareAlike 4.0 International