Gasto energético con máquinas de ejercicios en interiores
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Determining Basal Energy Expenditure and the Capacity of Thermogenic Adipocytes to Expend Energy in Obese Mice
Published on: November 11, 2021
A I Zeni1, M D Hoffman, P S Clifford
1Sports Performance and Technology Laboratory, Medical Colloege of Wisconsin, Milwaukee, USA.
JAMA
|May 8, 1996
Resumen
La cinta de correr ofrece el mayor gasto de energía en un determinado nivel de esfuerzo percibido en comparación con otras máquinas de ejercicio en interiores. Esto lo hace óptimo para la quema de calorías durante los entrenamientos.
Área de la Ciencia:
- Fisiología del ejercicio Fisiología del ejercicio
- Deportes Ciencias Ciencias Ciencias Deportivas
- Ingeniería Biomédica Ingeniería Biomédica.
Sus antecedentes:
- Determinar las máquinas de ejercicios de interior óptimas para el gasto de energía es crucial para una programación de acondicionamiento físico eficaz.
- La calificación del esfuerzo percibido (RPE) es una medida subjetiva utilizada para guiar la intensidad del ejercicio.
- La variabilidad en el gasto de energía en diferentes máquinas de ejercicios a niveles similares de RPE requiere estudios comparativos.
Objetivo del estudio:
- Para comparar las tasas de gasto de energía en niveles específicos de Rating of Perceived Exertion (RPE) en seis diferentes máquinas de ejercicio en interiores.
- Para identificar qué máquina de ejercicios en interiores proporciona el mayor gasto de energía para una intensidad subjetiva dada.
Principales métodos:
- Se empleó un diseño de medidas repetidas con 13 adultos jóvenes sanos (8 hombres, 5 mujeres).
- Los participantes completaron una adaptación de 4 semanas a la escala RPE y seis máquinas de ejercicios: Airdyne, simulador de esquí de fondo, ergómetro de ciclismo, ergómetro de remo, escalera escalonada y cinta de correr.
- Las pruebas de ejercicio incluyeron etapas de 5 minutos en RPE 11, 13 y 15, con el consumo de oxígeno, la frecuencia cardíaca y el lactato sanguíneo medidos.
Principales resultados:
- Se observaron diferencias significativas en el gasto de energía entre las máquinas a niveles fijos de RPE (rango: 1093 kJ / h).
- La cinta de correr demostró un gasto de energía significativamente mayor en comparación con todas las demás máquinas con RPE equivalentes.
- El simulador de esquí de fondo, el ergómetro de remo y el paso de escalera mostraron un mayor gasto de energía que el Airdyne y el ergómetro de ciclo.
Conclusiones:
- La cinta de correr es la máquina de ejercicio interior más efectiva para maximizar el gasto de energía cuando la intensidad del ejercicio está regulada por el esfuerzo percibido.
- Estos hallazgos proporcionan una guía valiosa para la selección de equipos de ejercicio para lograr objetivos específicos de gasto energético.
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