Recuperação mecânica muscular com laser

Sene, Giovana Leitão; Shimano, Antonio Carlos; Picado, Celso Hermínio Ferraz

doi:10.1590/s1413-78522009000200009

Cited by 4 publications

(4 citation statements)

References 14 publications

(16 reference statements)

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“…According to Järvinen, 19 when the gastrocnemius is submitted to tensile tests, muscle rupture almost always occurs at the same site, whereas in his study rupture occurred in the muscular venter in 94% of the test subjects. The results found by Lima et al 2 and Sene et al 1 corroborate these findings, since they presented the same characteristic with regards to the muscle rupture site.…”

Section: Discussionsupporting

confidence: 68%

“…This is important, as the analysis of the biological tissue as a whole structure reflects the physiological mechanical solicitation in a more trustworthy manner, 20 besides which the gastrocnemius works under conditions of extreme physical activity and runs an increased risk of injuries and ruptures. 1,21,22 …”

Section: Discussionmentioning

confidence: 99%

“…The immobilization of a body segment is a procedure generally used for the treatment of musculoskeletal injuries, although it can result in undesirable structural alterations 1 such as muscle atrophy, 2 change in the number of sarcomeres in series, 2 reduction in the glycogen reserve, 3 increase of connective tissue, diminished strength 2,3 and muscle weight. 4 …”

Section: Introductionmentioning

confidence: 99%

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Propriedades mecânicas do músculo de ratos adultos e idosos, exercitado pós-imobilização

et al. 2012

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ObjectivesTo describe the effects of immobilization, free remobilization and remobilization by physical exercise about mechanical properties of skeletal muscle of rats of two age groups.Methods56 Wistar rats divided into two groups according to age, an adult group (five months) and an older group (15 months). These groups were subdivided in: control, immobilized, free remobilized and remobilized by physical exercise. The pelvic limb of rats was immobilized for seven days. The exercise protocol consisted of five swimming sessions, once per day and 25 minutes per session. The gastrocnemius muscle was subjected to tensile tests, and evaluated the properties: load at the maximum limit, stretching at the maximum limit and stiffness.ResultsThe immobilization reduced the values of load at the maximum limit and the remobilization protocols were not sufficient to restore control levels in adult group and older rats. The stretching at the maximum limit differs only in the older group.ConclusionsThe immobilization reduces the muscle's ability to bear loads and exercise protocol tends to restore the default at control values in adult and older rats. The age factor only interfered in the stretching at the maximum limit, inducing a reduction of this property in the post-immobilization. Level of Evidence II, Investigating the Results of Treatment.

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Section: Discussionsupporting

confidence: 68%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Propriedades mecânicas do músculo de ratos adultos e idosos, exercitado pós-imobilização

et al. 2012

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“… 5 , 6 The therapeutic methods used include combinations of immobilization, low temperature at the site, compression and elevation, ultrasound and laser rays. 7 , 8 Revascularization is a determining factor for regeneration of the muscle fiber after injury, 9 since this enables access to nutrients and oxygenation from vessels in the adjacent tissues, which is fundamental to tissue repair. 10 This revascularization occurs by means of proliferation of endothelial cells, stimulated by means of growth factors such as basic fibroblastic growth factor (bFGF) and vascular endothelial growth factor.…”

Section: Introductionmentioning

confidence: 99%

Effects of nutritional supplementation with l-arginine on repair of injuries due to muscle strain: experimental study on rats

Couto¹,

Wuicik²,

Kuhn³

et al. 2015

Revista Brasileira de Ortopedia (English Edition)

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ObjectiveTo evaluate the influence of oral supplementation with arginine on regeneration of injuries due to straining of the anterior tibial muscle of rats.MethodsTwenty-four Wistar rats of weight 492.5 ± 50.45 g were used. Injuries were induced through straining the anterior tibial muscles. The rats were separated into three groups of eight rats each. In the untreated group (UTG), after induction of injuries, the rats were observed for 24 h. In the simulation group (SG) and the arginine group (AG) respectively, the rats received isotonic saline solution and arginine solution via direct gavage, over a seven-day period. At the end of the period, blood samples were collected for serum evaluations of creatine kinase (CK), lactic dehydrogenase (LDH), aspartate aminotransferase (AST) and C-reactive protein (CRP). The right and left anterior tibial muscles were resected for histopathological evaluations on the muscle injuries, investigating edema, hemorrhage and disorganization or morphometric alteration of the muscle fibers. The tissue repair was investigated in terms of proliferation of adipose tissue, angiogenesis and collagen fibers. The ANOVA and Student's t methods were used and p ≤ 0.05 was taken to be statistically significant.ResultsIn the serum evaluations, the AG showed lower CK assay values and higher AST values. In the histopathological evaluation, the UTG presented edema and hemorrhage compatible with injuries due to strain; the SG presented edema and hemorrhage with proliferation of adipose tissue and collagen fibers; and the AG presented not only the findings of the SG but also, especially, intense angiogenesis.ConclusionOral supplementation with arginine did not cause any significant metabolic alterations that would contraindicate its use and it induced angiogenesis during the repair of muscles injured due to strain.

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Efeitos da suplementação nutricional com L‐arginina no reparo de lesões por estiramento muscular. Estudo experimental em ratos

Couto

Wuicik

Kuhn

et al. 2015

Revista Brasileira de Ortopedia

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Recuperação mecânica muscular com laser

Cited by 4 publications

References 14 publications

Propriedades mecânicas do músculo de ratos adultos e idosos, exercitado pós-imobilização

Propriedades mecânicas do músculo de ratos adultos e idosos, exercitado pós-imobilização

Effects of nutritional supplementation with l-arginine on repair of injuries due to muscle strain: experimental study on rats

Efeitos da suplementação nutricional com L‐arginina no reparo de lesões por estiramento muscular. Estudo experimental em ratos

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