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Neural PlasticityVolume 2011 2011, Article ID 783901, 8 pages

Research Article

Master-s Program in Physioterapy, Neuromuscular Plasticity Laboratory, FACIS, Methodist University of Piracicaba, 13400-911 Piracicaba, SP, Brazil

FACIS, Universidade Metodista de Piracicaba, 13400-911 Piracicaba, SP, Brazil

Received 29 December 2010; Revised 6 March 2011; Accepted 23 May 2011

Academic Editor: Lumy Sawaki

Copyright © 2011 Rosana Macher Teodori et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


There is no consensus about the best time to start exercise after peripheral nerve injury. We evaluated the morphological and functional characteristics of the sciatic nerves of rats that began to swim immediately after crush nerve injury CS1, those that began to swim 14 days after injury CS14, injured rats not submitted to swimming C, and uninjured rats submitted to swimming S. After 30 days the number of axons in CS1 and CS14 was lower than in C . The diameter of axons and nerve fibers was larger in CS1 and CS14 than in C, and myelin sheath thickness was lower in all crushed groups . There was no functional difference between CS1 and CS14 . Swimming exercise applied during the acute or late phase of nerve injury accelerated nerve regeneration and synaptic elimination after axonotmesis, suggesting that exercise may be initiated immediately after injury.

Autor: Rosana Macher Teodori, Joice Betini, Larissa Salgado de Oliveira, Luciane Lobato Sobral, Sibele Yoko Mattozo Takeda, and Mari

Fuente: https://www.hindawi.com/


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