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Relationship between physical performance and perception of stress and recovery in daily life post COVID-19—An explorative study

INTRODUCTION: COVID-19 is a multi-systemic disease which can target the lungs and the cardiovascular system and can also affect parts of the brain for prolonged periods of time. Even healthy athletes without comorbidities can be psychologically affected long-term by COVID-19. OBJECTIVE: This study a...

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Detalles Bibliográficos
Autores principales: Zorn, Jule, Vollrath, Shirin, Matits, Lynn, Schönfelder, Martin, Schulz, Sebastian V. W., Jerg, Achim, Steinacker, Jürgen M., Bizjak, Daniel A.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10184944/
https://www.ncbi.nlm.nih.gov/pubmed/37186604
http://dx.doi.org/10.1371/journal.pone.0285845
Descripción
Sumario:INTRODUCTION: COVID-19 is a multi-systemic disease which can target the lungs and the cardiovascular system and can also affect parts of the brain for prolonged periods of time. Even healthy athletes without comorbidities can be psychologically affected long-term by COVID-19. OBJECTIVE: This study aimed to investigate athletes’ perceived mental stress and recovery levels in daily life, and their maximal aerobic power, at three different time points, post COVID-19. METHODS: In total, 99 athletes (62.6% male), who had been infected by COVID-19, filled out the Recovery Stress Questionnaire for Athletes (REST-Q-Sport) and completed cardiopulmonary exercise testing (endpoint maximal aerobic power output (P(max))) at the initial screening (t(1): 4 months after infection). Follow-up assessments occurred three (t(2), n = 37) and seven months after t(1) (t(3), n = 19). RESULTS: Subgroup means from the Recovery category were significantly below the reference value of four at all three time points, except “General Recovery” (3.76 (± 0.96), p = 0.275, d = 0.968) at t(3).”Overtiredness” (2.34 (± 1.27), p = 0.020, r = 0.224) was significantly above the reference value of two at t(1), while all other Stress subgroups were not significantly different from the reference value or were significantly below the maximum threshold of two at t(1), t(2) and t(3). Spearman’s ρ revealed a negative association between P(max) and the subcategories of stress (ρ = -0.54 to ρ = -0.11, p < 0.050), and positive correlations between P(max) and “Somatic Recovery” (ρ = 0.43, p < 0.001) and “General Recovery” (ρ = 0.23, p = 0.040) at t(1). P(max) (t(1): 3.83 (± 0.99), t(2): 3.78 (± 1.14), β = 0.06, p < 0.003) increased significantly from t(1) to t(2). In addition, REST-Q-Sport indicated a decrease in "Sleep" (t(2) = 2.35 (± 0.62), t(3) = 2.28(± 0.61), β = -0.18, p < 0.023) at t(3), when compared to t(2). CONCLUSION: The perceived recovery seems to be negatively affected in post COVID-19 athletes. Physical performance post COVID-19 correlates with both “Emotional and Somatic Stress” and “Somatic and General Recovery”, indicating potential mental and physical benefits of exercise. While it is evident that COVID-19, like other viral infections, may have an influence on physical performance, monitoring stress and recovery perceptions of athletes is critical to facilitate their return-to-sports, while minimizing long-term COVID-19 induced negative effects like the athletic objective and subjective perceived recovery and stress levels.