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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 A; JOHNSON NJL; ARMSTRONG G
ARCH PHYS MED REHABIL , 2001, vol. 82, n° 6, p. 807-810 Doc n°: 101304 Localisation : Documentation IRR Descripteurs : DA523 - POLYARTHRITE RHUMATOIDE, DF22 - EXPLORATION EXAMENS BILANS - MARCHE
Article consultable sur : http://www.archives-pmr.org
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 (V(O)(2)max) 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 V(O)(2)max and the number of shuttles completed (R(2); 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 alternative to costly laboratory testing warrants further study of the SWT in patient groups. Langue : ANGLAIS Identifiant basis : 2001217253 |
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