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The Multiple Sclerosis Performance Test MSPT: An iPad-Based Disability Assessment Tool
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Construct Validity of the Four Square Step Test in Multiple Sclerosis.

Alon Kalron1, Uri Givon2

  • 1Department of Physical Therapy, School of Health Professions, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel.

Archives of Physical Medicine and Rehabilitation
|May 17, 2016
PubMed
Summary
This summary is machine-generated.

The Four Square Step Test (FSST) effectively assesses balance and mobility in people with multiple sclerosis (MS). This study validates the FSST, showing its strong correlation with other mobility measures and cognitive function in MS patients.

Keywords:
Accidental fallsGaitMultiple sclerosisPostural balanceRehabilitationWalking

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Area of Science:

  • Neurology
  • Rehabilitation Science
  • Clinical Biomechanics

Background:

  • Multiple sclerosis (MS) is a chronic neurological disease affecting balance and mobility.
  • The Four Square Step Test (FSST) is a common clinical tool for assessing dynamic balance.
  • Expanding the construct validity of the FSST in people with MS (PWMS) is crucial for accurate assessment and intervention.

Purpose of the Study:

  • To broaden the construct validity of the Four Square Step Test (FSST) in people with multiple sclerosis (PWMS).

Main Methods:

  • A cross-sectional study was conducted with 218 PWMS at a multiple sclerosis center.
  • Participants underwent various assessments including the FSST, posturography, timed mobility tests (Timed Up & Go, 25-foot walk), and cognitive assessments.
  • Fall status and fall efficacy were also recorded.

Main Results:

  • The FSST demonstrated significant differences across disability levels (mild to moderate) in PWMS.
  • Fallers exhibited significantly slower FSST scores compared to non-fallers.
  • The FSST showed significant correlations with posturography measures, Timed Up & Go, and the 2-minute walk test, as well as a positive relation with visual-spatial cognition.

Conclusions:

  • The findings support and expand the construct validity of the FSST for assessing PWMS.
  • The FSST is a valuable tool for evaluating balance and mobility impairments in individuals with MS.
  • Further research can utilize the FSST to monitor disease progression and treatment efficacy in MS.