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Salud Mental 2016; 39 (5)
Idioma: Ingles.
Referencias bibliográficas: 52
Paginas: 249-256
Archivo PDF: 162.03 Kb.
RESUMEN
Introducción
La obesidad, una pandemia mundial, se ha reportado como una posible
causa de diversas enfermedades, incluyendo presión arterial alta,
diabetes tipo 2 y enfermedades cardiovasculares.
Objetivo
El objetivo del presente trabajo fue investigar los efectos de ocho
semanas de ejercicio aeróbico regular y la estimulación eléctrica
craneal (CES) sobre la hormona relacionada con el estrés, el factor
neurotrófico, y los estados de ánimo en mujeres obesas.
Método
Los sujetos de este estudio fueron 36 mujeres coreanas de mediana
edad con obesidad. Los sujetos fueron divididos aleatoriamente en
un grupo control (CON,
n = 12), un grupo de ejercicio aeróbico
(EX,
n = 12) y un grupo de ejercicio y CES aeróbico grupo (EX +
CES,
n = 12). CES se llevó a cabo con una corriente estimulador de
electroterapia craneal micro durante 20 minutos a 100 μA y 0,5 Hz.
El ejercicio aeróbico consistía en carrera en cinta rodante durante
40 minutos a 70% de reserva de frecuencia cardíaca de los sujetos
(HRR). El estado de ánimo se midió por el perfil de los estados de
ánimo (POMS), y la extracción de sangre se realizó para examinar
los niveles de las hormonas relacionadas con el estrés (cortisol y la
hormona adrenocorticotrópica [ACTH]) y factores neurotróficos (factor
neurotrófico derivado del cerebro [BDNF] y factor de crecimiento
nervioso [NGF]) antes y después de cada intervención.
Resultados
Los niveles de cortisol en plasma, así como las puntuaciones de tensión-
ansiedad, depresión, abatimiento, y fatiga-inercia, se redujeron
significativamente después de la intervención, en comparación con
las mediciones previas a la intervención en los grupos EX y EX + CES
(
p ‹ .05). Los niveles séricos de BDNF, los niveles de NGF en suero y
las puntuaciones Vigor-Actividad aumentaron significativamente después
de la intervención, en comparación con las mediciones previas
a la intervención en los grupos EX y EX+CES (
p ‹ .05). Sin embargo,
no hubo diferencia significativa en estos hallazgos entre la EX y los
grupos EX + CES (
p › .05).
Discusión y conclusión
Estos resultados sugieren que el entrenamiento con ejercicio aeróbico
podría mejorar el estado de ánimo de las mujeres obesas de mediana
edad por medio de una disminución en el cortisol sérico y un aumento
en el suero BDNF y NGF
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