ISSN: 1899-1955
Human Movement
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4/2019
vol. 20
 
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abstract:
Original paper

Concurrent validity of the five-minute pyramid test for VO2max estimation in healthy young adults

Jacob T. Ronan
,
Alex B. Shafer

Human Movement 2019 vol. 20 (4), 41-45
Online publish date: 2019/07/11
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Purpose
Maximal oxygen uptake (VO2max) is an important physiological parameter related to sports performance and chronic disease risk. Many field tests have been developed to estimate VO2max at reduced cost, time, and energy demands compared with laboratory measurement. The purpose of this investigation is to assess the concurrent validity of the 5-minute pyramid test (5MPT).

Methods
Overall, 14 young (21.1 ± 2.1 years) adult male (n = 7) and female (n = 7) participants completed 5MPT for VO2max estimation, and a criterion measurement of VO2max by using indirect calorimetry with the Bruce treadmill protocol.

Results
A strong positive correlation (r = 0.86, p < 0.0001) was observed between the estimated and measured VO2max for the entire sample. The group mean VO2max of 5MPT (3.08 ± 0.84 l ∙ min–1) was significantly lower (p < 0.001, Cohen’s d = 0.65) than the measured value of the Bruce protocol (3.68 ± 0.99 l ∙ min–1). This difference was also observed when analysing VO2max in ml ∙ kg–1 ∙ min–1 (37.87 ± 5.43 ml ∙ kg–1 ∙ min–1 vs. 46.76 ± 9.23 ml ∙ kg–1 ∙ min–1, p < 0.001, Cohen’s d = 1.17), indicating a tendency to underestimate VO2max.

Conclusions
5MPT was designed to estimate VO2max with a submaximal, field-test approach. It may underestimate VO2max when compared with treadmill derived maximal values in healthy young adults. Additional investigations are warranted to further test the validity and reliability of 5MPT in a variety of populations.

keywords:

5-minute pyramid test, submaximal exercise testing, VO2max

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