Comienzo de la acumulación de lactato sanguíneo como predictor del rendimiento en atletas de élite (Onset of blood lactate accumulation as a predictor of performance in top athletes)
DOI:
https://doi.org/10.47197/retos.v0i23.34570Keywords:
Resistencia, OBLA, correlación, carrera a pie.Abstract
El objetivo principal de este estudio fue investigar si el comienzo de la acumulación de lactato en sangre (VOBLA) es un buen predictor del rendimiento de mediofondo y fondo en atletas entrenados. Veintidós corredores tomaron parte en este estudio. Todos completaron un test máximo incremental en tapiz rodante para determinar los parámetros fisiológicos máximos así como la VOBLA. Se analizaron las relaciones entre la VOBLA y el ritmo de carrera de 10 km (V10K) y 3 km (V3K). La VOBLA fue de 17.7 ± 1.2 km·h-1 y las V10K y V3K fueron 21.1 ± 0.7 km·h-1 y 19.0 ± 0.8 km·h-1, respectivamente. Se encontró una correlación lineal significativa entre la VOBLA y V10K (r = 0.761, P < 0.05) y entre VOBLA y V3K (r = 0.561, P < 0.05). Estos resultados indican que la VOBLA está altamente asociada al rendimiento de la carrera de acuerdo a V10K yV3K en atletas entrenados.
Palabras clave: Resistencia, OBLA, correlación, carrera a pie.
Abstract: The main purpose of this study was to investigate whether the onset of blood lactate accumulation velocity (VOBLA) is a good predictor of middle- and long-distance running performance in well-trained endurance runners. Twenty-two well-trained runners participated in this study. All participants completed a incremental test on a treadmill to determine maximal physiological variables the VOBLA (4 mmol·L-1 of lactate concentration). The relationships between VOBLA and the best 10-km (V10K) and 3-km (V3K) race pace were analyzed. The velocity for VOBLA was 17.7 ± 1.2 km·h-1 and the velocities for V10K and V3K were 21.1 ± 0.7 km·h-1 and 19.0 ± 0.8 km·h-1, respectively. A positive linear relationship was found between VOBLA and V10K (r = 0.761, P < 0.05) and between VOBLA and V3K (r = 0.561,P < 0.05). These results indicate that VOBLA is highly associated to running performance according to V10K and V3K in well-trained runners.
Key words: Endurance, OBLA, correlation, running.
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