A validation of the 10-meter incremental shuttle walk test as a measure of aerobic power in cardiac and rheumatoid arthritis patients 

Alasdair MacSween, Nichola J. L. Johnson, Gillian Armstrong, Janet Bonn

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Objective: To validate a simple, clinically relevant, and inexpensive test of aerobic power - the 10-meter incremental shuttle walk test (SWT) - in 2 separate patient populations. Design: Two-sample validity study. Setting: Physiotherapy department of major hospital in the United Kingdom. Patients: Convenience samples of rheumatoid arthritis (RA) patients (n = 10) and cardiac patients (n = 10). Intervention: Subjects were attached to a portable respiratory gas analyzer to measure oxygen uptake. They walked around an oval 10-meter course, starting at 0.5m/s, with velocity gradually increased by .17m/s increments for as long as they could, for up to 12 minutes. Main Outcome Measures: A subject's maximal rate of oxygen uptake during exercise (Vo2max) established with linear extrapolation was regressed against the number of shuttles completed (distance walked). An earlier study (n = 28) showed high levels of reliability and validity with linear extrapolation. Results: No significant linear relationship was found between Vo2max and the number of shuttles completed (R2; RA subjects = 9.7%, cardiac subjects = .03%, p > .05). Conclusion: These results do not support use of the SWT as a representative measure of aerobic power. Despite this finding, the advantages of developing a clinically viable alterative to costly laboratory testing warrants further study of the SWT in patient groups.
Original languageEnglish
Pages (from-to)807-810
JournalArchives of Physical Medicine and Rehabilitation
Volume82
Issue number6
DOIs
Publication statusPublished - 2001

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Rheumatoid Arthritis
Oxygen
Hospital Departments
Reproducibility of Results
Gases
Outcome Assessment (Health Care)
Walk Test
Exercise
Population

Cite this

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title = "A validation of the 10-meter incremental shuttle walk test as a measure of aerobic power in cardiac and rheumatoid arthritis patients ",
abstract = "Objective: To validate a simple, clinically relevant, and inexpensive test of aerobic power - the 10-meter incremental shuttle walk test (SWT) - in 2 separate patient populations. Design: Two-sample validity study. Setting: Physiotherapy department of major hospital in the United Kingdom. Patients: Convenience samples of rheumatoid arthritis (RA) patients (n = 10) and cardiac patients (n = 10). Intervention: Subjects were attached to a portable respiratory gas analyzer to measure oxygen uptake. They walked around an oval 10-meter course, starting at 0.5m/s, with velocity gradually increased by .17m/s increments for as long as they could, for up to 12 minutes. Main Outcome Measures: A subject's maximal rate of oxygen uptake during exercise (Vo2max) established with linear extrapolation was regressed against the number of shuttles completed (distance walked). An earlier study (n = 28) showed high levels of reliability and validity with linear extrapolation. Results: No significant linear relationship was found between Vo2max and the number of shuttles completed (R2; RA subjects = 9.7{\%}, cardiac subjects = .03{\%}, p > .05). Conclusion: These results do not support use of the SWT as a representative measure of aerobic power. Despite this finding, the advantages of developing a clinically viable alterative to costly laboratory testing warrants further study of the SWT in patient groups.",
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A validation of the 10-meter incremental shuttle walk test as a measure of aerobic power in cardiac and rheumatoid arthritis patients . / MacSween, Alasdair; Johnson, Nichola J. L.; Armstrong, Gillian; Bonn, Janet.

In: Archives of Physical Medicine and Rehabilitation, Vol. 82, No. 6, 2001, p. 807-810.

Research output: Contribution to journalArticleResearchpeer-review

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