Gymnastik- och idrottshögskolan, GIH

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The ability of a submaximal cycle ergometer test to detect longitudinal changes in VO2max.
Gymnastik- och idrottshögskolan, GIH, Institutionen för fysisk aktivitet och hälsa. School of Health and Welfare, Dalarna University, Falun, Sweden.ORCID-id: 0000-0001-8353-3766
Gymnastik- och idrottshögskolan, GIH, Institutionen för fysisk aktivitet och hälsa.ORCID-id: 0000-0001-6058-4982
Gymnastik- och idrottshögskolan, GIH, Institutionen för fysisk aktivitet och hälsa.ORCID-id: 0000-0002-3901-7833
Gymnastik- och idrottshögskolan, GIH, Institutionen för fysisk aktivitet och hälsa. School of Health and Welfare, Dalarna University, Falun, Sweden.ORCID-id: 0000-0001-9507-6101
2021 (engelsk)Inngår i: BMC sports science, medicine & rehabilitation, ISSN 2052-1847, Vol. 13, nr 1, artikkel-id 156Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

BACKGROUND: The purpose of the present study was to examine the ability of a submaximal cycling test to detect longitudinal changes in maximal oxygen uptake (VO2max) and examine the conformity between changes in measured and estimated VO2max over a time span of 5-8 years.

METHODS: A total of 35 participants (21 men and 14 women), aged 29 to 63 years, performed the Ekblom-Bak (EB) submaximal cycle test for estimation of VO2max and a maximal treadmill running test for direct measurement of VO2max. The baseline tests were conducted between 2009 and 2012, and the follow-up tests were completed 5 to 8 years later. Pearson's coefficient of correlation (r) and paired sample t-test were used to analyse the association between change in measured and estimated VO2max. Random and systematic errors between the measured and estimated VO2max were evaluated using Bland-Altman plots. Repeated measures ANOVA were used to test differences between changes over time.

RESULTS: There was no significant change in mean measured VO2max between baseline and follow-up (p = 0.91), however large individual variations were noted (- 0.78 to 0.61 L/min). The correlation between individual change in measured and estimated VO2max was r = 0.75 (p < 0.05), and the unstandardised B-coefficient from linear regression modelling was 0.88 (95% CI 0.61 to 1.15), i.e., for each litre of change in estimated VO2max, the measured value had changed 0.88 L. The correlation between baseline and follow-up errors (the difference between estimated-measured VO2max at each occasion) was r = 0.84 (p < 0.05). With regard to the testing procedure, repeated measures ANOVA revealed that there was no significant difference between the group who exercised at the same work rates at baseline and follow-up (n = 25), and those who required a change in work rate (n = 10).

CONCLUSIONS: The EB test detected a change in VO2max with reasonably good precision over a time span of 5-8 years. Further studies are needed to evaluate if the test can be used in clinical populations and in subjects with different medications.

sted, utgiver, år, opplag, sider
BioMed Central, 2021. Vol. 13, nr 1, artikkel-id 156
Emneord [en]
Cycle ergometer test, Estimation, Fitness, Maximal oxygen uptake
HSV kategori
Forskningsprogram
Medicin/Teknik
Identifikatorer
URN: urn:nbn:se:gih:diva-6883DOI: 10.1186/s13102-021-00387-wISI: 000730169800003PubMedID: 34906224OAI: oai:DiVA.org:gih-6883DiVA, id: diva2:1624187
Tilgjengelig fra: 2022-01-03 Laget: 2022-01-03 Sist oppdatert: 2022-12-01

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Björkman, FridaEkblom, ÖrjanEkblom Bak, Elin

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