Mecanismos de ativação agonista e antagonista no joelho de indivíduos com reconstrução de ligamento cruzado anterior: estudo cinético e eletromiográfico

Pássaro, Anice de Campos; Marques, Amélia Pasqual; Sacco, Isabel de Camargo Neves; Amadio, Alberto Carlos; Bacarin, Tatiana de Almeida

doi:10.1590/s1413-78522008000200011

Cited by 3 publications

(2 citation statements)

References 22 publications

(49 reference statements)

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“…The current literature shows evidence that the muscle coactivation that takes place in the knee would serve to protect and stabilize the joint during powerful muscle contractions. Moreover, it would be responsible for distributing pressure across the joint and minimizing fatigue and joint damage (24,34).…”

Section: Discussionmentioning

confidence: 99%

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Flexor-extensor relationship knee after reconstruction of the anterior cruciate ligament

et al. 2014

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Introduction The incidence of knee injuries is very high in young adults. Anterior cruciate ligament (ACL) rupture is the most frequent of them. The isokinetic dynamometry evaluation determines the functional patterns of strength and muscle balance.Objective To compare the isokinetic hamstring/quadriceps peak torque and work ratios of young adults after surgical reconstruction of the anterior cruciate ligament.Methods We selected 33 medical records filed by the Isokinetic laboratory of the Physiotherapy Clinic of the Catholic University of Paraná (PUCPR), which belonged to patients who had undergone isokinetic assessment at the request of a physiotherapist or physician in Curitiba, Paraná. The tabulated data were: Hamstring/Quadriceps peak torque and work ratios of all injured and non-injured limbs at an angular velocity of 60°/s. Data were processed by the statistical software LHstat. Inferential statistics was used in order to apply the comparison test between means (unpaired t-test) with a confidence interval of 95%.Results The average flexion-extension ratio of the non-involved limb was lower than the involved limb both for peak torque (peak torque ratio of the non-involved limb: 56.1%; peak torque ratio of the involved limb: 66.3%; difference: 10.2%) and work (work ratio of the non-involved limb: 60.1%; work ratio of involved limb: 66.1%; difference: 6%).Conclusion : The average flexion/extension ratio found was adequate for both limbs and variables, however, the subjects presented a greater number of muscle asymmetries in the involved limb than in the non-involved limb.

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Section: Discussionmentioning

confidence: 99%

“…Quadriceps muscle atrophy, instability and pain are clinical complaints that may be explained by deficits in muscle performance after the recovery process (20,24,25).…”

Section: Discussionmentioning

confidence: 99%

Flexor-extensor relationship knee after reconstruction of the anterior cruciate ligament

et al. 2014

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Isokinetic testing protocol-based discharge criteria after anterior ligament reconstruction: A systematic review

Claudio,

da Silva,

Fonseca

et al. 2024

IES

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BACKGROUND: The return to activities and sports after the anterior cruciate ligament (ACL) reconstruction is a critical decision. OBJECTIVE: To verify the most used elements during the isokinetic evaluation for discharge after ACL reconstruction. METHODS: Systematic review (PROSPERO CRD42021224433). Research in the literature: PubMed, Medline, SciELO, Lilacs, CENTRAL, PEDro, Web of Science and Embase, in February 2022. Studies that performed isokinetic evaluation during the discharge period in male patients aged 18 to 59 years after ACL reconstruction. Descriptive synthesis on the most used parameters during isokinetic evaluation as a discharge criteria after ACL reconstruction. RESULT: Twenty-three studies involving 1,792 participants were included. Medium and high quality evidence identified that most isokinetic evaluations targeted only muscle strength after rehabilitation of the ACL (peak moment). CONCLUSION: The most used elements during the isokinetic evaluation were: angular velocity of 60∘/s, 1 set of 5 repetitions, concentric mode and peak moment.

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Índice De Co-Contração Dos Músculos Bíceps Braquial E Tríceps Braquial Durante a Realização Do Exercício De Apoio Sobre O Solo

Cardozo

Torre

Chaise

et al. 2015

R.P.P.

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Resumo:O objetivo deste estudo foi comparar o índice de co-contração muscular dos músculos bíceps braquial e tríceps braquial em indivíduos praticantes e não praticantes de exercício físico regular durante a realização do exercício de apoio de frente sobre o solo. A amostra foi constituída por vinte indivíduos do sexo masculino, sendo destes divididos em praticantes (n=10) e não praticantes (n=10) de exercícios físicos regulares. O protocolo de avaliação consistiu em realização (1) de duas contrações voluntárias máximas isométricas dos músculos bíceps braquial e tríceps braquial e (2) de dez repetições do exercício de apoio de frente sobre o solo, sendo simultaneamente coletado o sinal eletromiográfico (EMG). A análise do sinal EMG foi realizada utilizando o envelope RMS. Para análise estatística, o índice de co-contração muscular médio obtido durante a realização do exercício de apoio de frente sobre o solo foi submetido a uma Anova One-Way, com fator grupo, para verificar as diferenças entre os grupos ( ção do exercício de apoio de frente sobre o solo demonstraram um maior índice de co-contração para o grupo não praticante de exercício físico regular (p=0,01). Palavras-chaves: Contração muscular. Eletromiografia. Esforço Físico. ______________________________________________________________________________ IntroduçãoNa busca por hábitos de vida mais saudáveis, o treinamento de força (TF) surge como uma opção de exercício físico (KRAEMER; RATAMESS, 2004), podendo ser definido como uma metodologia de treinamento que busca o desenvolvimento da capacidade força (GUEDES Jr., 2007), a qual pode ser relacionada a uma melhora da qualidade de vida, a prevenção de doenças crônico-degenerativas, a melhoria do desempenho nas atividades da

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Mecanismos de ativação agonista e antagonista no joelho de indivíduos com reconstrução de ligamento cruzado anterior: estudo cinético e eletromiográfico

Cited by 3 publications

References 22 publications

Flexor-extensor relationship knee after reconstruction of the anterior cruciate ligament

Flexor-extensor relationship knee after reconstruction of the anterior cruciate ligament

Isokinetic testing protocol-based discharge criteria after anterior ligament reconstruction: A systematic review

Índice De Co-Contração Dos Músculos Bíceps Braquial E Tríceps Braquial Durante a Realização Do Exercício De Apoio Sobre O Solo

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