Changes in muscular activity after knee arthrotomy and arthroscopy

Heß, Thomas; Gleitz, M.; Hopf, T; Olfs, S.; Mielke, U

doi:10.1007/bf00179968

Cited by 6 publications

(3 citation statements)

References 16 publications

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“…61,81 It is also likely that open procedures result in a greater degree of proprioceptive loss than do arthroscopic procedures because of an increased level of disruption to joint mechanoreceptors. 45,56 The effects of the size and location of an articular cartilage lesion on proprioception are not known. Moreover, the influence of symptom duration on a patient's preoperative level of proprioception as well as the postoperative time needed and potential for full restoration are in question.…”

Section: Proprioception and Neuromuscular Functionmentioning

confidence: 99%

Autologous Chondrocyte Implantation Postoperative Care and Rehabilitation

Bobic²,

et al. 2006

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Autologous chondrocyte implantation is an advanced, cell-based orthobiological technology used for the treatment of chondral defects of the knee. It has been in clinical use since 1987 and has been performed on 12 000 patients internationally; but despite having been in clinical use for more than 15 years, the evidence base for rehabilitation after autologous chondrocyte implantation is notably deficient. The authors review current clinical practice and present an overview of the principles behind autologous chondrocyte implantation rehabilitation practices. They examine the main rehabilitation components and discuss their practical applications within the overall treatment program, with the aim of facilitating the formulation of appropriate, individualized patient rehabilitation protocols for autologous chondrocyte implantation.

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Section: Proprioception and Neuromuscular Functionmentioning

confidence: 99%

Autologous Chondrocyte Implantation Postoperative Care and Rehabilitation

Bobic²,

et al. 2006

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“…A tear of the ACL leads to a persistent functional deficit of the knee muscles, no matter which therapeutic option is chosen. 3–5,10,12,17,20,21 Surgery for ACL replacement adds another trauma to the injured joint. Even though the use of arthroscopically assisted techniques has reduced the operative trauma, an operatively induced lesion of the quadriceps muscle cannot be avoided in the approach and drilling of the femoral channel when the two-incision technique is used.…”

mentioning

confidence: 99%

Single- versus Two-Incision Technique in Anterior Cruciate Ligament Replacement: Influence on Postoperative Muscle Function

et al. 2002

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The purpose of this study was to find out whether the single-incision technique for anterior cruciate ligament repair has advantages over the two-incision technique in terms of muscular function up to 1 year postoperatively. Twenty patients who underwent unilateral anterior cruciate ligament reconstruction with bone-patellar tendon-bone autografts were randomly assigned to one of the two procedures. Both groups (10 patients in each) were followed up at 1 year. Lysholm and International Knee Documentation scores and thigh circumferences were markedly reduced after surgery in both groups but improved up until the last follow-up examination at 12 months postoperatively. Clinical examination, functional scores, stabilometry measurements, and thigh circumferences did not differ between the two groups. Isokinetic evaluation revealed a significant reduction of extensor peak torques in both groups that was most pronounced at 3 months, then improved continuously but was still present 12 months postoperatively. A significant reduction of peak torques, up to 35%, was seen in the flexor muscles of the involved legs compared with the contralateral legs, but this deficit vanished completely after 12 months in both groups. At 3 and 6 months, for the flexor as well as the extensor muscles, the deficits in peak torque on the injured sides were found to have improved faster in the single-incision group. These results indicate improved dynamic muscle function with use of the single-incision technique because the dissection of the vastus lateralis muscle that occurs in the two-incision technique is avoided.

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“…Isso pode ser visualizado no trabalho de Witvrouw;Sneyers;Lysens;Victor;Bellemans (1996) que, ao avaliarem o padrão de resposta reflexa em voluntários saudáveis (controle) e com patologia patelofemoral por meio de uma percussão sobre o tendão patelar, referem existir uma inversão da resposta reflexa do VMO e VL ante a patologia, sendo ativado primeiramente o VL e depois, o VMO em voluntários do grupo-controle e o inverso ocorrendo de acordo com a patologia. Hess;Gleitz;Hopf;Olfs;Mielke (1995), em um estudo sobre a influência da artrotomia e a artroscopia (técnicas cirúrgicas) na articulação do joelho, relataram que o músculo quadríceps da coxa inicia posteriormente sua atividade EMG, cerca de 20 milissegundos mais tarde quando comparado ao grupo-controle (indivíduos não submetidos a essas técnicas cirúrgicas), o que também sugere alterações da resposta reflexa, após algum distúrbio patológico, na atividade eletromiográfica dos músculos que compõem a articulação patelofemoral.…”

Section: Discussionunclassified

Estudo EMG e eletrogoniométrico na instabilidade patelofemoral

2008

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Qualquer condição que perturbe o controle motor adequado poderá resultar em uma marcha dita patológica, tendendo a gerar um prejuízo primário à marcha ou criar mecanismos compensatórios secundários para que ela mantenha uma função útil. A instabilidade patelofemoral é uma condição patológica na qual o restabelecimento da marcha significa maior funcionalidade para o paciente. Surge, então, a necessidade do estudo do comportamento biomecânico e de tais indivíduos, o qual pode otimizar o processo de reabilitação. Este artigo deriva de pesquisa sobre o comportamento eletromiográfico dos músculos Vasto Medial Oblíquo (VMO) e Vasto Lateral (VL) e eletrogoniométrico da articulação do joelho, durante a realização da marcha em aclive e declive, com dez voluntários saudáveis (grupo-controle); posteriormente, verificou-se se houve alteração nesse comportamento, durante a marcha, em dez voluntários com instabilidade patelofemoral (grupo patológico), de forma a identificar precocemente tal patologia. Os dados foram coletados utilizando-se dois pares de eletrodos de superfície do tipo ativos, bipolares e diferenciais e um eletrogoniômetro. Os resultados, por meio da análise de correlação cruzada e coeficiente de variação, não demonstraram diferença estatisticamente significante nos voluntários com instabilidade patelofemoral, quando comparados ao grupo-controle.

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Changes in muscular activity after knee arthrotomy and arthroscopy

Cited by 6 publications

References 16 publications

Autologous Chondrocyte Implantation Postoperative Care and Rehabilitation

Autologous Chondrocyte Implantation Postoperative Care and Rehabilitation

Single- versus Two-Incision Technique in Anterior Cruciate Ligament Replacement: Influence on Postoperative Muscle Function

Estudo EMG e eletrogoniométrico na instabilidade patelofemoral

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