Effect of the chronological age and sexual maturation on the time to exhaustion at maximal aerobic speed
Gespeichert in:
| Deutscher übersetzter Titel: | Auswirkungen des chonologischen Alters und der geschlechtlichen Reifung auf die Zeit bis zur Erschöpfung bei maximal aerober Geschwindigkeit |
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| Autor: | Machado, F.A.; Guglielmo, L.G.; Denadai, B.S. |
| Erschienen in: | Biology of sport |
| Veröffentlicht: | 24 (2007), 1, S. 21-30, Lit. |
| Format: | Literatur (SPOLIT) |
| Publikationstyp: | Zeitschriftenartikel |
| Medienart: | Elektronische Ressource (online) Gedruckte Ressource |
| Sprache: | Englisch |
| ISSN: | 0860-021X, 2083-1862 |
| Schlagworte: | |
| Online Zugang: | |
| Erfassungsnummer: | PU201101000833 |
| Quelle: | BISp |
Abstract
The purposes of this study were: a) to verify the effect of chronological age and sexual maturation on the time to exhaustion at VO2max (tlim) and; b) to examine the reproducibility of tlim in boys aged 10-15 years. Forty boys, divided into 4 groups, in accordance to the chronological age (G10-12 and G13-15) and sexual maturation (P1-P3 and P4-P5 levels for pubic hair), performed the following tests: 1) incremental test for determination of VO2max and; 2) all-out exercise bout performed at VO2max to determine the tlim. There was no difference of tlim (sec) between G10-12 and G13-15 (181.5 ± 96.3 vs. 199 ± 105.5). While the two measures of tlim were moderately related (r=0.78), tlim from the second test (226.6 ± 96.1 s) was higher than that of the first (191.3 ± 79.2 s). We can conclude that the tlim is not influenced by chronological age and sexual maturation. Besides, tlim presents a lower reproducibility in children and adolescents. Verf.-Referat