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Type: Artigo de periódico
Title: Bouts of passive stretching after immobilization of the rat soleus muscle increase collagen macromolecular organization and muscle fiber area
Author: Coutinho, EL
DeLuca, C
Salvini, TF
Vidal, BC
Abstract: This study evaluated the effect of short bouts of stretching on the soleus muscle after immobilization, by measuring the birefringence of the intramuscular connective tissue (ICT) and the muscle fiber area. Thirty rats were divided into five groups: the left soleus was immobilized in the shortened position; after immobilization the animals remained free; after immobilization, the soleus was stretched daily (10 stretches of 60 sec followed by 30 sec rest); after immobilization, the soleus was stretched 3 times a week; control. Immobilization caused a loss of birefringence of the ICT and of muscle fiber area and only daily stretching increased both compared with the control (p < 0.01). In conclusion, short daily bouts of stretching after immobilization induced molecular reorganization of the collagen bundles and muscle fiber hypertrophy in the rat soleus.
Subject: connective tissue
muscle atrophy
Country: Inglaterra
Editor: Informa Healthcare
Citation: Connective Tissue Research. Informa Healthcare, v. 47, n. 5, n. 278, n. 286, 2006.
Rights: fechado
Identifier DOI: 10.1080/03008200600995940
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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