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The Two-Minute Walk Test in Persons with Multiple Sclerosis: Correlations of Cadence with Free-Living Walking Do Not Support Ecological Validity

Author

Listed:
  • Viktoria Karle

    (Department of Sport Science and Sport, Friedrich-Alexander University Erlangen-Nürnberg, 91058 Erlangen, Germany
    Department of Education, University of Regensburg, 93040 Regensburg, Germany)

  • Verena Hartung

    (Department of Sport Science and Sport, Friedrich-Alexander University Erlangen-Nürnberg, 91058 Erlangen, Germany)

  • Keti Ivanovska

    (Department of Sport Science and Sport, Friedrich-Alexander University Erlangen-Nürnberg, 91058 Erlangen, Germany)

  • Mathias Mäurer

    (Department of Neurology, Klinikum Würzburg Mitte gGmbH Standort Juliusspital, 97070 Würzburg, Germany)

  • Peter Flachenecker

    (Neurological Rehabilitation Center Quellenhof, 75323 Bad Wildbad, Germany)

  • Klaus Pfeifer

    (Department of Sport Science and Sport, Friedrich-Alexander University Erlangen-Nürnberg, 91058 Erlangen, Germany)

  • Alexander Tallner

    (Department of Sport Science and Sport, Friedrich-Alexander University Erlangen-Nürnberg, 91058 Erlangen, Germany)

Abstract

The two-minute walk test (2MWT) is a frequently used walking capacity test in persons with multiple sclerosis (pwMS). However, less is known about its relevance with regards to walking capacity during free-living walking performance. Therefore, the ecological validity of the 2MWT was tested by 1. computing free-living minutes with the same intensity (cadence) as during the 2MWT and 2. investigating the relationship between 2MWT cadence and minutes with the same cadence during free-living walking. 20 pwMS aged 44.2 ± 12.2 (Expanded Disability Status Scale (EDSS) score of 3.1 ± 1.4) performed a 2MWT and wore an accelerometer for seven days. The number of pwMS reaching 100%, 90%, 80% or 70% of 2MWT cadence for at least one minute a day and minutes/day with at least 100%, 90%, 80% and 70% of 2MWT cadence during free-living walking was calculated. Six participants reached 100% of the 2MWT cadence for at least one minute/day during free-living walking. A total of 80% 2MWT cadence was the first intensity category that was reached by all participants during free-living walking. No significant correlation was found between cadence in the 2MWT and minutes in which this cadence was reached during free-living walking. Ecological validity with regard to walking intensity could not be confirmed in our study sample.

Suggested Citation

  • Viktoria Karle & Verena Hartung & Keti Ivanovska & Mathias Mäurer & Peter Flachenecker & Klaus Pfeifer & Alexander Tallner, 2020. "The Two-Minute Walk Test in Persons with Multiple Sclerosis: Correlations of Cadence with Free-Living Walking Do Not Support Ecological Validity," IJERPH, MDPI, vol. 17(23), pages 1-11, December.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:23:p:9044-:d:456704
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    References listed on IDEAS

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    1. J P Stellmann & A Neuhaus & N Götze & S Briken & C Lederer & M Schimpl & C Heesen & M Daumer, 2015. "Ecological Validity of Walking Capacity Tests in Multiple Sclerosis," PLOS ONE, Public Library of Science, vol. 10(4), pages 1-11, April.
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    Cited by:

    1. Jeffer Eidi Sasaki & Gabriel Felipe Arantes Bertochi & Joilson Meneguci & Robert W. Motl, 2022. "Pedometers and Accelerometers in Multiple Sclerosis: Current and New Applications," IJERPH, MDPI, vol. 19(18), pages 1-11, September.

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