Longitudinal analysis of the soleus muscle of rats submitted to remobilization by stair climbing
DOI:
https://doi.org/10.33233/rbfe.v17i2.2328Keywords:
immobilization; exercise; musculoskeletal systemAbstract
Muscle strengthening exercises and stretching are widely used to discover a better post-immobilization protocol. The objective of this research was to verify the interference of exercise protocols with stair climbing, muscular length and quantity of sarcomeres in series along the soleus muscle of rats submitted to immobilization. For this, 32 male rats were used, distributed in: GA: animals only immobilized and euthanized; GB: immobilized rats and with free remobilization; GC: remobilized with ascending ladder without weight, and performed 40 repetitions and GD: remobilized with rise, similar to GC, however, 60 repetitions were performed. The animals were immobilized with the left soleus muscle in shortening, and after immobilization, the protocol described above was applied to the GC and GD groups. After 24 hours at the end of the experiment, the animals were anesthetized and euthanized, and the left soleus muscle was dissected and processed for longitudinal histological study. The comparisons were performed with one-way ANOVA and Tukey's post-test, with a significance level of 5%. From these analyzes it can be verified that the stair climbing protocol with less repetitions was the most effective in remobilization.
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Copyright (c) 2018 Vinícius Baretta, Thiago Fernando Mattjie, Tatiane Kamada Errero, Giovanni Bernardino, Lucinéia de Fátima Chasko Ribeiro, Rose Meire Costa Brancalhão, Gladson Ricardo Flor Bertolini
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