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Revista de la Facultad de Medicina
versão impressa ISSN 0120-0011
Resumo
RAMIREZ-RAMIREZ, Carolina. Effects of cryotherapy on the tibiotarsal joint in the cross-sectional area of rat tibialis anterior and soleus muscles. rev.fac.med. [online]. 2020, vol.68, n.4, pp.527-532. Epub 16-Jan-2021. ISSN 0120-0011. https://doi.org/10.15446/revfacmed.v68n4.77367.
Introduction:
Cryotherapy is used to treat acute joint inflammation, but its effect on muscles associated with the injured joint has not yet been studied.
Objective:
To evaluate the effect of cryotherapy on the tibiotarsal joint in the cross-sectional area (CSA) of tibialis anterior (TA) and soleus muscles in rats with acute joint inflammation.
Materials and methods:
Experimental study conducted on 32 Wistar rats that were randomly assigned to four groups: Control, Inflammation, Cryotherapy-A and Cryotherapy-B. The CSA of muscle fibers was measured 72 hours after initiating the experiment.
Results:
In the case of the TA muscle, there was a significant reduction in the CSA muscle fibers in the Inflammation and Cryotherapy-B groups compared to the Control group, while no significant reduction was observed in the Cryotherapy-A group in relation to the Control group. Regarding the soleus muscle, a significant CSA reduction was observed in all experimental groups.
Conclusion:
The use of cryotherapy once a day for three days attenuates the atrophic effect of acute joint inflammation on the TA muscle, confirming its importance for controlling the deleterious effects of acute inflammation on fast-twitch muscles.
Palavras-chave : Cryotherapy; Rehabilitation; Inflammation (MeSH).