Quantifying wheelchair basketball match load: a comparison of heart-rate and perceived-exertion methods.
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Date
2016-05Author
Iturricastillo Urteaga, Aitor
Granados Domínguez, María Cristina
Goosey-Tolfrey, Victoria
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International Journal of Sports Physiology and Performance 11(4) : 508-514 (2016)
Abstract
Purpose: To describe the objective and subjective match load (ML) of wheelchair basketball (WB) and determine the relationship between session heart-rate (HR) -based ML and rating-of-perceived-exertion (RPE) -based ML methods.
Methods: HR-based measurements of ML included Edwards ML and Stagno training impulses (TRIMPMOD), while RPE-based ML measurements included respiratory (sRPEres) and muscular (sRPEmus). Data were collected from 10 WB players during a whole competitive season.
Results: Edwards ML and TRIMPMOD averaged across 16 matches were 255.3 ± 66.3 and 167.9 ± 67.1 AU, respectively. In contrast, sRPEres ML and sRPEmus ML were found to be higher (521.9 ± 188.7 and 536.9 ± 185.8 AU, respectively). Moderate correlations (r = .629-.648, P < .001) between Edwards ML and RPE-based ML methods were found. Moreover, similar significant correlations were also shown between the TRIMPMOD and RPE-based ML methods (r = .627-.668, P < .001). That said, only ≥40% of variance in HR-based ML was explained by RPE-based ML, which could be explained by the heterogeneity of physical-impairment type.
Conclusion: RPE-based ML methods could be used as an indicator of global internal ML in highly trained WB players.