Proprioception, Postural Sway and Mobility in Parkinson'S Disease Patients And Healthy Individuals

Yejun Wang, Jia Han, Judith Anson, Gordon Waddington, Roger Adams

    Research output: Contribution to journalMeeting Abstractpeer-review


    Previous studies have shown that ankle proprioceptive ability is significantly correlated with sports performance. It is unknown if ankle proprioceptive ability is related to postural sway and mobility in healthy individuals (HI) and Parkinson’s Disease patients (PD) and, if there is a relationship, how the groups may differ.

    PURPOSE: To examine ankle proprioception, postural swayand mobility performance in PD and HI.

    METHODS: PD (n=27) and HI (n=27) volunteers were matched for age (mean 62 years old), weight (mean 62 kg), and height (mean 161cm). Ankle proprioception was measured while standing, using the active movement extent discrimination apparatus (AMEDA). Bipedal postural sway was assessed via the Biodex Balance System, with eyes open and close in anterior-posterior and medio-lateral directions (EOAP, EOML, ECAP, and ECML, respectively). Mobility measures included the 30 seconds sit-to-stand (STS) and timed-up-and-go (TUG) tests.

    RESULTS: Compared to HI, PD showed significantly worse ankle proprioception, STS and TUG (p=0.03, 95% CI=-1.03~-0.01;p
    CONCLUSIONS: Our findings support the sensory-reweighting theory, suggesting that PD and elderly HI may use other sensory input, not ankle proprioception, to achieve optimal postural control. Given that PD’s mobility is significantly correlated with ECML, specific exercise should be designed to address medio-lateral control in PD to promote mobility.
    Original languageEnglish
    Pages (from-to)656-657
    Number of pages2
    JournalMedicine and Science in Sports and Exercise
    Issue number5
    Publication statusPublished - May 2017


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