Effect of ramp slope on different methods to determine lactate threshold in semi-professional soccer players.
Res Sports Med
; 27(3): 326-338, 2019.
Article
em En
| MEDLINE
| ID: mdl-30244599
ABSTRACT
The present study aimed to investigate the effect of stage duration in incremental protocols on lactate threshold (LT), determined by different methods. Sixteen semi-professional soccer-players performed a 4-min stage incremental discontinuous (DP) and two maximal incremental running continuous (1 km h-1· min-1, CP1; and 1 km h-1·2 min-1 CP2) protocols. Blood-lactate concentration [La-] was measured at baseline and during the protocols. LT was determined using DMAX, DMAX-MOD, 4-mMâ
L-1, Δ1-mMâ
L-1 and Log-Log methods. Log-Log showed no difference in LT between CP1, CP2 and DP. Conversely, LT was determined at higher velocity in CP1 than CP2 for DMAX (15.2 ± 0.5 vs 14.4 ± 1.2 kmâ
h-1, P = 0.002), DMAX-MOD (16.0 ± 0.5 vs 14.7 ± 1.3 kmâ
h-1, P < 0.001), 4-mMâ
L-1 (15.5 ± 1.4 vs 14.4 ± 1.2 kmâ
h-1, P < 0.001), Δ1-mMâ
L-1 (15.5 ± 1.3 vs 14.4 ± 1.2 kmâ
h-1, P < 0.001). Higher LT in CP1 than DP for DMAX (15.2 ± 0.5 vs 13.0 ± 1.0 kmâ
h-1, P < 0.001) and DMAX-MOD (16.0 ± 0.5 vs 13.6 ± 1.6 kmâ
h-1, P < 0.001) was found (P < 0.001). Log-Log resulted in shorter but accurate protocols to determine LT.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Corrida
/
Limiar Anaeróbio
/
Ácido Láctico
Tipo de estudo:
Observational_studies
/
Prevalence_studies
/
Risk_factors_studies
Limite:
Adult
/
Humans
/
Male
Idioma:
En
Ano de publicação:
2019
Tipo de documento:
Article