Efectos de dos protocolos de entrenamiento sobre el lactato sanguíneo en caballos de paso fino
Effects of two training protocols on blood lactate in paso fino horses
DOI:
https://doi.org/10.15446/rfmvz.v66n3.84259Keywords:
adaptaciones, entrenamiento, fisiología del ejercicio, metabolismo aeróbico, resistencia (es)adaptations, training, exercise physiology, aerobic metabolism, endurance (en)
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Objetivo: Comparar los efectos de un protocolo de entrenamiento de resistencia (ER) con un protocolo tradicional (ET) sobre la concentración sanguínea de lactato y CK. Materiales y Métodos: Se aplicaron dos protocolos de entrenamiento durante 6 meses divididos en tres etapas. Se realizaron pruebas de esfuerzo antes de comenzar los protocolos de entrenamiento y al finalizar cada una de las etapas. En cada prueba se tomaron muestras de sangre venosa en reposo, durante el ejercicio y en recuperación para medir el lactato (L), y al inicio y al final para medir la creatin kinasa (CK) e inferir las adaptaciones metabólicas y musculares. Se calculó la diferencia de medianas del lactato basal por medio de la U Mann Whitney y se comparó la diferencia de medias del porcentaje de aclaramiento entre los grupos a través de la T de Students. Resultados: Se encontró una diferencia significativa en el porcentaje de depuración de lactato entre ER y ET. También hubo un aumento significativo de los valores de CK intra-grupos, antes y después de las pruebas, pero manteniéndose dentro de los rangos de referencia. Discusión: El ER aumentó la capacidad de metabolizar el lactato pos-ejercicio en potros con entrenamiento de resistencia, aunque no hubo diferencias entre la máxima producción de L entre el grupo ER y ET. El comportamiento de la CK dentro de los rangos de referencia indica que no hubo daño muscular en los potros de ambos grupos.
Objective: To compare the effects of a resistance training protocol (ER) with a traditional protocol (ET) on blood lactate concentration and CK. Materials and methods: Two training protocols were applied for 6 months divided into three stages. Stress Effort tests were performed before beginning the training protocols and at the end of each stage. In each test, samples of venous blood were taken at rest, during exercise and in recovery to measure lactate (L), and at the beginning and at the end to measure creatine kinase (CK) and infer metabolic and muscular adaptations. The difference in baseline lactate medians was calculated using Mann Whitney U and the mean difference in the percentage of clearance between the groups was compared through the Students' T test. Results: A significant difference in the percentage of lactate clearance between ER and ET was found. There was also a significant increase in intra-group CK values, before and after the tests, but remaining within the reference ranges. Discussion: ER increased the ability to metabolize post-exercise lactate in foals with resistance training, although there was no difference between the maximum production of L between the ER group and ET. The behavior of CK within the reference ranges indicates that there was no muscle damage in the foals of both groups of foals.
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1. Angélica M. Zuluaga Cabrera, Maria J. Casas Soto, José R. Martínez Aranzales, Nathalia M. Correa Valencia, María P. Arias Gutiérrez. (2021). Blood lactate concentrations and heart rates of Colombian Paso horses during a field exercise test. Veterinary and Animal Science, 13, p.100185. https://doi.org/10.1016/j.vas.2021.100185.
2. A.M. Zuluaga Cabrera, W.R. Ramírez Pineda, N.M. del Pilar Correa Valencia, M.P. Arias Gutierrez. (2022). Body mass conversion and improved insulin response in Colombian Paso horses subjected to a swimming training program. Comparative Exercise Physiology, 18(3), p.211. https://doi.org/10.3920/CEP210024.
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