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Titre : | Decrease of Muscle Strength Is Associated With Increase of Activity Limitations in Early Knee Osteoarthritis: 3-Year Results From the Cohort Hip and Cohort Knee Study (2014) |
Auteurs : | Martin van der Esch ; Jasmijn F. Holla ; Marike van der Leeden |
Type de document : | Article |
Dans : | Archives of Physical Medicine and Rehabilitation (2014/10, 2014) |
Article en page(s) : | p. 1962-1968 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Activités de la vie quotidienne ; Etudes longitudinales ; Force musculaire ; Gonarthrose ; Proprioception ; Rééducation et réadaptation |
Mots-clés: | Activities of daily living ; Longitudinal studies ; Muscle strength ; Osteoarthritis ; knee |
Résumé : |
Objective To determine whether a decrease in muscle strength over 3 years is associated with an increase in activity limitations in persons with early symptomatic knee osteoarthritis (OA), and to examine whether the longitudinal association between muscle strength and activity limitations is moderated by knee joint proprioception and laxity. Design A longitudinal cohort study with 3-year follow-up. Measurements were performed at the second (t0) and fifth (t1) year of the Cohort Hip and Cohort Knee (CHECK) study. Statistical analyses included paired t tests, chi-square tests, and regression analyses. In regression analyses, the association between muscle strength and activity limitations was adjusted for confounders. Setting A rehabilitation and rheumatology center. Participants Subjects (N=146) with early symptomatic knee OA from the CHECK study. Interventions Not applicable. Main Outcome Measures Muscle strength, proprioception, and laxity were assessed using specifically designed measurement devices. Self-reported and performance-based activity limitations were measured with the Western Ontario and McMaster Universities Osteoarthritis Index, the Get Up and Go test, the walk test, and the stair-climb test. Results A total of 116 women (79.5%) and 30 men (20.5%), with a mean age + SD of 58.4+4.9 years and a mean body mass index + SD of 25.5+3.6, were included in the study. Overall, small 3-year changes in muscle strength and activity limitations were observed. At the group level, the average muscle strength increased by 10% (1.0+0.3 to 1.1+0.3Nm/kg) over the 3 years. The 3-year decrease in muscle strength was independently associated with an increase in performance-based activity limitations on all 3 measures (B=−1.12, B=−5.83, and B=−1.25, respectively). Proprioception and laxity did not moderate this association. Conclusions In patients with early knee OA, decreased muscle strength is associated with an increase in activity limitations. Our results are a step toward understanding the role of muscle weakness in the development of activity limitations in knee OA. Further well-designed experimental studies are indicated to establish the causal role of muscle weakness in activity limitations. |
Disponible en ligne : | Oui |
En ligne : | https://login.ezproxy.vinci.be/login?url=https://www.sciencedirect.com/science/article/pii/S0003999314004389 |