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Acuerdo entre la reserva de potencia de sprint derivada del laboratorio y del campo en ciclistas de élite sub-23
Peter Leo1,2, Iñigo Mujika3,4
1Department of Sport Science, University of Innsbruck, Innsbruck, Austria.
International journal of sports physiology and performance
|January 22, 2026
Resumen
El modelo de reserva de potencia de sprint predice con precisión la producción de potencia en ciclismo a partir de pruebas de laboratorio y de campo. Estas predicciones son confiables para los profesionales, mejorando las estrategias de entrenamiento.
Área de la Ciencia:
- Ciencias del Deporte; Fisiología del Ejercicio; Análisis del Rendimiento en Ciclismo
Sus antecedentes:
- El modelo de reserva de potencia de sprint (SPR) se utiliza para predecir la producción de potencia de ciclismo de alta intensidad.
- Evaluar la precisión del modelo SPR en condiciones de laboratorio y de campo es crucial para la aplicación práctica.
Objetivo del estudio:
- Evaluar la capacidad predictiva del modelo SPR en dominios de intensidad severa y extrema.
- Comparar las predicciones del modelo SPR de entornos de laboratorio y de campo con las potencias máximas medias reales (MMP).
Principales métodos:
- Diez ciclistas masculinos sub-23 se sometieron a pruebas incrementales de laboratorio y de sprint de 10 segundos, además de pruebas de campo de sprint de 3 minutos y 10 segundos.
- Las predicciones de condiciones de laboratorio (PREDLAB) y de campo (PREDFIELD) se compararon con las MMP registradas en campo utilizando el análisis de Bland-Altman en diversas duraciones.
Principales resultados:
- No se observaron diferencias significativas entre las pruebas de sprint de laboratorio y de campo ni entre la prueba de campo de 3 minutos y la potencia pico de laboratorio.
- La constante de tiempo del modelo SPR (k=0.027) mostró un excelente ajuste a MMP (R2 = 0.98).
- La mayoría de las predicciones de PREDLAB y PREDFIELD estuvieron dentro de los límites de acuerdo del 95% con MMP, excepto PREDFIELD a los 150 segundos.
Conclusiones:
- Las predicciones del modelo SPR derivadas de condiciones de laboratorio y de campo demuestran una fiabilidad comparable.
- El modelo SPR es una herramienta fiable para que los profesionales predigan la potencia de salida de alta intensidad con confianza.
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