Ther Adv Chronic Dis. 2021 Jun 30;12:20406223211028764. doi: 10.1177/20406223211028764. eCollection 2021.
Impaired muscle capacity of the hip and knee in individuals with isolated patellofemoral osteoarthritis: a cross-sectional study.
Therapeutic advances in chronic disease
Cristiano Carvalho, Fábio Viadanna Serrão, Letícia Mancini, Paula Regina Mendes da Silva Serrão
Affiliations
Affiliations
- Department of Physical Therapy, Federal University of São Carlos, São Carlos, São Paulo, Brazil.
- Department of Physical Therapy, Federal University of São Carlos, Rodovia Washington Luis, km 235-SP-310 São Carlos, São Paulo 13.565-905, Brazil.
PMID: 34262680
PMCID: PMC8252374 DOI: 10.1177/20406223211028764
Abstract
AIMS: The aims of this study were to compare the capacity of the knee and hip muscles between individuals with and without isolated patellofemoral osteoarthritis (PFOA) and to evaluate the impact of PFOA on pain, stiffness, and physical function.
METHODS: This cross-sectional study evaluated muscle capacity of the hip and knee using an isokinetic dynamometer. The isokinetic variables used in the statistical analysis were peak torque, total work, and average power. Pain, stiffness, and physical function were assessed using questionnaires.
RESULTS: A total of 26 individuals participated in the study (13 with PFOA and 13 controls). The PFOA group exhibited lower peak torque, total work, and average power for knee extension and flexion in the concentric mode (
CONCLUSION: Participants with PFOA exhibited impairments regarding muscle capacity of the hip and knee, higher level of pain and stiffness as well as compromised physical functioning in comparison with healthy controls.
© The Author(s), 2021.
Keywords: dynamometer; isokinetic; knee osteoarthritis; rheumatic diseases; rheumatic diseases muscle; strength muscle
Conflict of interest statement
Conflict of interest statement: The authors declare that there is no conflict of interest.
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