Physiological, perceptual responses, and strategy differences in age-group swimmers between heats and semi-finals in the 400 metres freestyle event

Tijani Jed Mohamed, Abbes Zied, Cuenca-Fernández Francisco and Ben Abderrahman Abderraouf

International Journal of Performance Analysis in Sport, 2021, vol. 21, issue 6, 953-964

Abstract: Swimmers use different strategies in competition to proceed from heats to semi-finals and finals. This study aimed to analyse the physiological (heart rate [HR]; blood lactate [BLa]) and perceptual responses (rating of perceived exertion [RPE]), time-performances (T), and strategy differences in age-group swimmers in the 400 m Freestyle swim between heats and semi-finals during a competition. Twenty-Two male swimmers volunteered to participate in this study. Only thirteen out of the sixteen qualified semi-finalists (age 16.8 ± 0.6 years) were considered into data analysis.Significant differences within and between groups were identified for T400, HR, RPE and BLa (p

Date: 2021
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DOI: 10.1080/24748668.2021.1963107

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