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Relationships between trunk performance, gait and postural control in persons with multiple sclerosis.

Jane E Freund, Deborah M Stetts, Srikant Vallabhajosula

    Neurorehabilitation
    |July 4, 2016
    PubMed
    Summary

    Persons with multiple sclerosis (PwMS) exhibit reduced trunk endurance, impacting balance and gait. Improving trunk strength may enhance mobility and reduce falls in PwMS.

    Keywords:
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    Area of Science:

    • Neurology
    • Rehabilitation Science
    • Biomedical Engineering

    Background:

    • Multiple sclerosis (MS) is a central nervous system disease causing mobility issues.
    • Persons with multiple sclerosis (PwMS) experience greater postural sway, slower gait, and more falls than healthy individuals.
    • Trunk performance is crucial for balance and gait but understudied in PwMS.

    Purpose of the Study:

    • Compare trunk muscle structure and performance in PwMS versus healthy controls (HC).
    • Assess the impact of isometric trunk endurance testing on postural control in both groups.
    • Investigate the link between trunk performance, postural control, gait, and daily step activity in PwMS.

    Main Methods:

    • Ultrasound imaging of trunk muscles, 10-meter walk test, isometric trunk endurance tests, and postural sway tests were performed.
    • Participants (15 PwMS and 15 HC) wore a step activity monitor for seven days.
    • Data analysis focused on comparing PwMS and HC and correlating trunk performance with functional outcomes.

    Main Results:

    • PwMS demonstrated significantly lower isometric trunk endurance than HC.
    • Reduced trunk flexion endurance in PwMS correlated with poorer postural control.
    • Trunk flexion endurance positively correlated with gait speed and daily step activity in PwMS.

    Conclusions:

    • Impaired trunk endurance is a key issue for PwMS.
    • Clinicians should evaluate and target trunk endurance in rehabilitation strategies for PwMS.
    • Interventions focusing on trunk strength may improve balance, gait, and overall activity in PwMS.