PURPOSE:To analyze the effects of the low-level laser therapy in the acute myositis induced in rats. METHODS:Fifteen male Wistar rats (Rattus norvegicus) were randomly distributed into three categories: control group (C), induced Myositis without treament (MI) and treated induced myositis (MT), for the experimental period of seven days. The induction of the acute myositis was done with 1% acetic acid by intramuscular route. The rats belonging to the experimental group had daily treatment through the GaAs (gallium arsenide) laser, with 904,0 nm length, and 45 mW peak power, with 3J/cm 2 , applied for 5 minutes on the animals' right posterior limb. RESULTS:In the MT group there was a statistic significant decrease in the number of inflammatory cells, related to the MI group (p<0.05), increase in the fibroblastic proliferation, when compared to groups C and MI related to MT group (p<0.01) and statistic significant edema regression (p=0.0400) in the MT group. CONCLUSION:The low-level laser therapy was efficient in the reduction of the inflammatory process, increase of the fibroblastic proliferation and the reduction of the edema.
Introduction: Chronic low back pain is a symptom located in the lower region of the back due to an abnormal change in this region. Among the methods to promote the relief of this symptom, the isostretching can be included, considered a global postural method. Objective: To investigate the isostretching technique on low back pain in college students. Method: The study included 10 subjects aged between 19 and 29 years. In the first stage they just met at home for a month the Low back pain Frequency Journal and in the second stage of the research they have been evaluated following items in an evaluation form, continued filling out the diary and were submitted to 15 sessions. Results: We observed significant improvement in back pain between participants during treatment with isostretching, where the average value was 6.40 ± 0.69 before treatment and 2.40 ± 0.54 was later. Regarding the 3rd finger test soil was demonstrated according to the results obtained before and after treatment increased flexibility, the average value was 17.05 ± 5.04 before treatment and after was 10 50 ± 3.97. Regarding the Schober test could be seen some improvement. Before treatment, the mean value was 15.15 ± 0.59 and 15.20 ± 0.64 was after. Conclusion: The results reported in this study show that the Isostretching method has not shown significant results in the mobility of the spine of the research participants, according to the analysis of data obtained by measuring with the Stibor and Schober tests. The method proved to be effective in improving chronic back pain and flexibility.
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