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dc.contributor.authorGabryś, Tomasz
dc.contributor.authorStanula, Arkadiusz
dc.contributor.authorSzmatlan-Gabrys, Urszula
dc.contributor.authorGarnys, Michal
dc.contributor.authorCharvát, Luboš
dc.contributor.authorGupta, Subir
dc.date.accessioned2021-02-22T11:00:22Z-
dc.date.available2021-02-22T11:00:22Z-
dc.date.issued2020
dc.identifier.citationGABRYŚ, T., STANULA, A., SZMATLAN-GABRYS, U., GARNYS, M., CHARVÁT, L., GUPTA, S. Metabolic and Cardiorespiratory Responses of Semiprofessional Football Players in Repeated Ajax Shuttle Tests and Curved Sprint Tests, and Their Relationship with Football Match Play. International Journal of Environmental Research and Public Health, 2020, roč. 17, č. 21, s. 1-13. ISS: 1660-4601.cs
dc.identifier.issn1660-4601
dc.identifier.uri2-s2.0-85094182248
dc.identifier.urihttp://hdl.handle.net/11025/42730
dc.format13 s.cs
dc.format.mimetypeapplication/pdf
dc.language.isoenen
dc.publisherMDPIen
dc.relation.ispartofseriesInternational Journal of Environmental Research and Public Healthen
dc.rights© MDPIen
dc.titleMetabolic and Cardiorespiratory Responses of Semiprofessional Football Players in Repeated Ajax Shuttle Tests and Curved Sprint Tests, and Their Relationship with Football Match Playen
dc.typečlánekcs
dc.typearticleen
dc.rights.accessopenAccessen
dc.type.versionpublishedVersionen
dc.description.abstract-translatedIn this study, the Ajax Shuttle Test (AST) and the Curved Sprint Test (CST) were conducted on semiprofessional football players to evaluate (1) their test performance, (2) the extent of anaerobic glycolysis by measuring blood lactate, (3) performance decrement and onset of fatigue, and (4) the correlation between selected physiological variables and test performance. Thirty-two semiprofessional Polish football players participated in this study. Both AST and CST were conducted on an outdoor football ground and were conducted in two sets; each set had six repetitions. In the case of AST, the total duration for 6 repetitions of the exercise in Sets 1 and 2 were 90.63 ± 3.71 and 91.65 ± 4.24 s, respectively, whereas, in the case of CST, the respective values were 46.8 ± 0.56 and 47.2 ± 0.66 s. Peak blood lactate concentration [La] after Sets 1 and 2 of AST were 14.47 ± 3.77 and 15.00 ± 1.85 mmol/L, and in the case of CST, the values were 8.17 ± 1.32 and 9.78 ± 1.35 mmol/L, respectively. Performance decrement in AST was more than in CST, both after Set 1 (4.32 ± 1.43 and 3.31 ± 0.96 in AST and CST, respectively) and Set 2 (7.95 ± 3.24 and 3.71 ± 1.02 in AST and CST, respectively). Only in a few of the repetitions, pulmonary ventilation (VE) and oxygen uptake (VO2) were found to be significantly correlated with the performance of the volunteers in both AST and CST. Respiratory exchange ratio (RER) was significantly correlated with most of the repetitions of AST, but not with CST. The study concludes that (1) AST shows more dependence on the anaerobic glycolytic system than shorter repetitive sprints (as in CST), (2) there is more performance decrement and fatigue in AST than in CST, and (3) early decrease in performance and fatigue in the semiprofessional football players in AST and CST may be due to the insufficiency of their aerobic energy system.en
dc.subject.translatedaerobicen
dc.subject.translatedperformance decrementen
dc.subject.translatedfatigueen
dc.subject.translatedlactateen
dc.subject.translatedfootballen
dc.identifier.doi10.3390/ijerph17217745
dc.type.statusPeer-revieweden
dc.identifier.document-number589008700001
dc.identifier.obd43931250
dc.project.IDSGS-2019-011/Diagnostika pohybových předpokladů v souvislosti s úrovní kognitivních funkcícs
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