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Histological aspects of whole-body vibration in the knee remobilization of Wistar rats

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da Costa J. R. G., Tavares A. L. d. F., Bertolini G. R. F., Wutzke M. L. S., Boaro C. D. T., Rodriguez D. F. S., Costa R. M., Ribeiro L. d. F. C.
European Journal of Clinical and Experimental Medicine
|
2022
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issue 2
159-166
EN
Introduction and aim. The knee is one of the joints where immobilization is most used, however, it can cause morphological changes in the joint tissues and is a challenge to be overcome during rehabilitation. Whole-body vibration (WBV) is capable of generating repetitive oscillatory movements, which cause mechanical stimuli that interfere with tissue plasticity. The aim of this study was to analyze the knee morphology of Wistar rats submitted to remobilization with WBV. Material and methods. 32 male rats were used, divided into four groups (n=8): Control Group (G1), Immobilization Group (G2), Immobilized Group and Free Remobilization (G3), Remobilized Group with WBV (G4). For immobilization, a plastered apparatus was used for 15 days. G3 and G4 carried out free remobilization or with WBV, respectively, for 2 weeks. The knee joints were processed for light microscopy. Results. The WBV led to a reduction in the inflammatory infiltrate in the articular cavity and greater presence of adipocytes in the subintima of the synovial membrane. Conclusion. Remobilization with WBV induced a better tissue response in the synovial membrane when compared to free remobilization.
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Balance evaluation after Russian current on the femoral rectus of healthy individuals118-122

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Carina Casiraghi Czarnobaj C. C., Hellen Cristina Folarosso H. C., Maria Gabriela Picagevicz M. G., Natália de Lima N., Gustavo Kiyosen Nakayama G. K., Gladson Ricardo Flor Bertolini G. R. F.
European Journal of Clinical and Experimental Medicine
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2019
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issue 2
118-122
EN
Introduction. A technique used in physiotherapy, but still underinvestigated, is the use of the Russian current as an aid in the improvement of balance. Aim. To verify the influence of the Russian current applied to the rectus femoris on balance in healthy and sedentary individuals. Material and methods. A cross-sectional clinical trial was performed at the Universidade Estadual do Oeste do Paraná – Unioeste, in the city of Cascavel – PR. The sample consisted of 20 healthy female subjects aged between 18 and 25 years, equally divided into two groups where group 1 was placebo and group 2 treatment. Initially, the proprioceptive evaluation was performed by means of a functional test (the Star Excursion Balance Test (SEBT)) and stabilometry using a baropodometer. Russian current was then applied to the femoral rectum of both limbs simultaneously for 2 weeks, 5 days a week. Results. No significant differences were found analyzing the variables, but the elevated effect size points to clinical relevance of Russian Current in functional assessment. Conclusion. The use of the Russian current in the rectus femoris did not present significant alteration on balance.
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