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Effects of Isometric Contraction Training by Electrostimulation on Type I and II Hindlimb Muscles in Cerebral Ischemia Model Rats / 간호학회지
Journal of Korean Academy of Nursing ; : 1232-1241, 2006.
Artículo en Coreano | WPRIM | ID: wpr-212304
ABSTRACT

PURPOSE:

The purpose of this study was to examine the effects of cerebral ischemia on Type I(soleus) and Type II(plantaris, gastrocnemius) muscles, and to determine the effects of isometric contraction training by electrostimulation on Type I andII muscles in cerebral ischemia model rats.

METHOD:

Twenty-five male Sprague-Dawley rats were randomly divided into four groups ST(stroke), STES(stroke+electrostimulation), SH(sham) and SHES (sham+electrostimulation). The ST and STES groups received a transient right middle cerebral artery occlusion operation. The SH and SHES groups received a sham operation. The STES and SHES groups had daily isometric contraction training by electrostimulation(100Hz, 45mA, 7.5V) on hindlimb muscles for 7days.

RESULT:

Plantaris and gastrocenmius muscle weight, myofibrillar protein contents of soleus and gastrocnemius, and the muscle fiber cross-sectional area of gastrocnemius in the ST group significantly decreased compared with the SH group. Soleus, plantaris, gastrocnemius muscle weight, myofibrillar protein contents of soleus and gastrocnemius, and the Type I muscle fiber cross-sectional area of soleus and the Type II muscle fiber cross-sectional area of gastrocnemius in the STES group significantly increased compared with the ST group.

CONCLUSION:

Hindlimb muscle atrophy occurs after acute stroke and isometric contraction training by electrostimulation during early stages of a stroke attenuates muscle atrophy of Type I and Type II muscles.
Asunto(s)

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Peso Corporal / Atrofia Muscular / Isquemia Encefálica / Ratas Sprague-Dawley / Músculo Esquelético / Accidente Cerebrovascular / Modelos Animales de Enfermedad / Estimulación Eléctrica / Miembro Posterior / Contracción Isométrica Límite: Animales Idioma: Coreano Revista: Journal of Korean Academy of Nursing Año: 2006 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Peso Corporal / Atrofia Muscular / Isquemia Encefálica / Ratas Sprague-Dawley / Músculo Esquelético / Accidente Cerebrovascular / Modelos Animales de Enfermedad / Estimulación Eléctrica / Miembro Posterior / Contracción Isométrica Límite: Animales Idioma: Coreano Revista: Journal of Korean Academy of Nursing Año: 2006 Tipo del documento: Artículo