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Acute effect of partial body weight suspension on the level of cocontraction and gait biomechanics in women with knee osteoarthritis

Abstract Introduction: Knee osteoarthritis (OAK) is one of the most prevalent rheumatic diseases in the population, characterized by functional limitation and gait difficulties with profound clinical relevance, as walking is the most frequently performed daily activity. These functional limitations...

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Bibliographic Details
Published in:Fisioterapia em movimento 2020, Vol.33
Main Authors: Spinoso, Deborah Hebling, Carvalho, Marcus Vinicius de Sobral, Trentin, Ana Carolina de Souza, Navega, Marcelo Tavella
Format: Article
Language:eng ; por
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Summary:Abstract Introduction: Knee osteoarthritis (OAK) is one of the most prevalent rheumatic diseases in the population, characterized by functional limitation and gait difficulties with profound clinical relevance, as walking is the most frequently performed daily activity. These functional limitations may be more pronounced when the disease is associated with obesity. Objective: To investigate the effect of different body weight suspension percentages on gait biomechanical variables and co-contraction percentages in women with OAK. Method: Fourteen women aged 50-75 years, with a body mass index between 26 and 35 and radiological diagnosis of OAK participated in the study. On the first day, anamnesis and familiarization with gait on the treadmill was performed. On the second day, treadmill gait assessment was performed using partial body weight support (SPPC) in three conditions-15%, 30%, and 45% suspension. During the evaluation, electromyographic and kinematic data were collected. The variables analyzed were percentage of hip (gluteus maximus/rectus femoris), knee (femoral biceps/vastus lateralis), and ankle (anterior tibial/lateral gastrocnemius), and length and step widths. A one-way analysis of variance was conducted, with a significance level of p < 0.05. Results: There was no significant difference in the length and step width and the level of co-contraction between the running conditions analyzed. Conclusion: Body weight suspension using SPPC during treadmill running did not alter the biomechanical variables of the gait of women with OAK. Resumo Introdução: A osteoartrite de joelho (OAJ) é a uma das doenças reumáticas mais prevalentes na população, caracterizada por causar limitação funcional, sendo as dificuldades de marcha de grande relevância clínica por ser a atividade diária mais realizada. Essas limitações funcionais podem ser mais acentuadas quando a doença está associada a obesidade. Objetivo: Investigar o efeito de diferentes porcentagens de suspensão do peso corporal no percentual de cocontração e nas variáveis biomecânicas da marcha em mulheres com OAJ. Método: Estudo transversal no qual participaram do estudo 14 mulheres com idade entre 50-75 anos, IMC entre 26-35, com diagnóstico radiológico de OAJ. No primeiro dia foi realizado anamnese e familiarização da marcha na esteira. No segundo dia, foi realizado avaliação da marcha em esteira utilizando suporte parcial de peso corporal (SPPC) em três condições: 15%, 30% e 45% de suspensão. Durant
ISSN:1980-5918
1980-5918
DOI:10.1590/1980-5918.033.ao26