Diurnal variation on balance control in patients with symptomatic knee osteoarthritis

Zheng Zhang, Alexis Lion, Isabelle Chary-Valckenaere, Damien Loeuille, Anne Christine Rat, Jean Paysant, Philippe P. Perrin*

*Corresponding author for this work

    Research output: Contribution to journalArticleResearchpeer-review

    23 Citations (Scopus)


    Objective: Increasing evidence supports balance control impairment in older adult patients with knee osteoarthritis (OA). However, there is limited data on diurnal variation of balance control in these patients. This study aimed to investigate postural stability in older adult patients with symptomatic knee OA during different periods in a daytime. Methods: Two-hundred and forty-one patients with OA knee (median age. =. 65. ±. 12 years; 82 males) were enrolled in this study. Static posturography was performed under four standing conditions: eyes open and eyes closed, without and with foam support. To assess diurnal postural variations, testing sessions were defined as follows: 8-10am, 10-12am, 1pm-3pm, 3pm-5pm. Influence of sex, age, height, weight, and body mass index on postural stability was evaluated. Knee pain was also assessed in these four testing sessions. Results: Postural control was in particular less efficient in the late morning than in the early afternoon (. p<. 0.05). Diurnal variation of balance control was more noticeable in older, heavier, and male patients (. p<. 0.05). Patients' knee pain was more pronounced in the morning than in the afternoon (. p<. 0.001). Conclusion: Balance stability of patients with OA knee was different during a daytime. Altered postural performance in the morning could be explained by joint pain. This diurnal variation should be taken into account in the daily management of knee OA.

    Original languageEnglish
    Pages (from-to)109-114
    Number of pages6
    JournalArchives of Gerontology and Geriatrics
    Issue number1
    Publication statusPublished - 1 Jul 2015


    • Balance control
    • Diurnal variation
    • Knee osteoarthritis
    • NCT01544647
    • Older adult patient
    • Posturography


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