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Updated: Sep 4, 2025

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Assessing proprioceptive acuity in people with multiple sclerosis.

Serena Goldlist, Darrin O Wijeyaratnam, Thomas Edwards1

  • 1School of Human Kinetics, University of Ottawa, Ottawa, Ontario, Canada.

Multiple Sclerosis Journal - Experimental, Translational and Clinical
|July 15, 2022
PubMed
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People with multiple sclerosis (MS) reporting upper limb (UL) impairment show reduced proprioceptive acuity and impaired movement planning compared to those without self-reported UL issues.

Area of Science:

  • Neuroscience
  • Rehabilitation Science
  • Movement Science

Background:

  • Proprioceptive acuity and its impact on guided movements remain underexplored in multiple sclerosis (MS).
  • Understanding these deficits is crucial for developing targeted interventions for individuals with MS.

Purpose of the Study:

  • To investigate proprioceptive acuity in individuals with MS, differentiating between those who self-report upper limb (UL) impairment and those who do not.
  • To analyze how individuals with MS execute reaches towards proprioceptive targets.

Main Methods:

  • Twenty-four participants with MS were divided into two groups: MS-R (self-reported UL impairment, n=12) and MS-NR (no self-reported UL impairment, n=12).
  • Proprioception was evaluated using ipsilateral and contralateral robotic proprioceptive matching tasks.
Keywords:
Proprioceptive acuitycharacterizationclinicalkinematicsmatchingmultiple sclerosisposition senserobotic technologyupper limb impairment

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Related Experiment Videos

Last Updated: Sep 4, 2025

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Main Results:

  • The MS-R group exhibited significantly worse proprioceptive acuity than the MS-NR group on both ipsilateral and contralateral tasks.
  • Individuals in the MS-R group demonstrated deficits in movement planning, evidenced by increased errors at peak velocity during contralateral matching compared to the MS-NR group.

Conclusions:

  • Self-reported upper limb impairment in MS correlates with diminished proprioceptive acuity.
  • Individuals with MS who report UL impairment also display poorer movement planning capabilities compared to those without such self-reported impairments.