• Fares Arab, Nishat Quddus, Sohrab A Khan, Ahmad H Alghadir, and Masood Khan.
• Rehabilitation Center, Total Health Solution Stemcell Medication, New Delhi, India.
• Medicine (Baltimore). 2022 Aug 5; 101 (31): e29923e29923.

AbstractKnee osteoarthritis (OA) is a prevalent disabling disease among women and quadriceps weakness is attributed to one of the causes of knee pain (KP) and disability. The study aimed to test the correlation of eccentric quadriceps torque (EQT) with 2 subscales of the reduced WOMAC questionnaire (KP and physical function) and extension lag range of motion (ROM) at the knee joint in osteoarthritic women. A cross-sectional design was used. A total of 70 patients (mean age 41.1 years) who had grade I or II knee OA participated in the study. The pearson correlation coefficient was used to test the correlation between the EQT and 2 subscales of the reduced WOMAC questionnaire and extension lag ROM. EQT presented a significant moderate negative correlation with pain (r = -0.489, P < .001) and physical function (r = -0.425, P < .001), and low positive correlation with available ROM (R = 0.349, P < .001). KP, physical function, and extension lag in the early stages of knee OA in women are associated with EQT. Therefore, designing a rehabilitation program that has eccentric quadriceps strengthening exercises may improve KP and physical activities, but more randomized controlled trials are needed to verify this.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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