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Associations between objective measures of performance-related characteristics and perceived stress in young cross-country skiers during pre-season training
Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland.
Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland.
Department of Mathematics and Statistics, University of Jyväskylä, Jyväskylä, Finland.
Finnish Institute of High-Performance Sport KIHU, Jyväskylä, Finland.
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2024 (English)In: Journal of Sports Sciences, ISSN 0264-0414, E-ISSN 1466-447XArticle in journal (Refereed) Epub ahead of print
Abstract [en]

Monitoring performance-related characteristics of athletes can reveal changes that facilitate training adaptations. Here, we examine the relationships between submaximal running, maximal jump performance (CMJ), concentrations of blood lactate, sleep duration (SD) and latency (SL), and perceived stress (PSS) in junior cross-country skiers during pre-season training. These parameters were monitored in 15 male and 14 females (17 ± 1 years) for the 12-weeks prior to the competition season, and the data was analysed using linear and mixed-effect models. An increase in SD exerted a decrease in both PSS (B = -2.79, p ≤ 0.01) and blood lactate concentrations during submaximal running (B = -0.623, p ≤ 0.05). In addition, there was a negative relationship between SL and CMJ (B = -0.09, p = 0.08). Compared to males, females exhibited higher PSS scores and little or no change in performance-related tests. A significant interaction between time and sex was present in CMJ with males displaying an effect of time on CMJ performance. For all athletes, lower PSS appeared to be associated with longer overnight sleep. Since the females experienced higher levels of stress, monitoring of their PSS might be beneficial. These findings have implications for the preparation of young athletes’ competition season.

Place, publisher, year, edition, pages
Routledge , 2024.
National Category
Sport and Fitness Sciences
Research subject
Physiotherapy; Centre - Centre for Sports and Performance Technology (SPORTC)
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URN: urn:nbn:se:ltu:diva-103996DOI: 10.1080/02640414.2024.2304499ISI: 001147031600001PubMedID: 38247021Scopus ID: 2-s2.0-85182863795OAI: oai:DiVA.org:ltu-103996DiVA, id: diva2:1832298
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Full text license: CC BY

Available from: 2024-01-29 Created: 2024-01-29 Last updated: 2025-02-11

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Holmberg, Hans-Christer

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