Validity of the Wattbike 3-Minute Aerobic Test: Measurement and Estimation of VÌo2max.
J Strength Cond Res
; 36(2): 400-404, 2022 Feb 01.
Article
em En
| MEDLINE
| ID: mdl-31868811
ABSTRACT
ABSTRACT Hanson, NJ, Scheadler, CM, Katsavelis, D, and Miller, MG. Validity of the Wattbike 3-minute aerobic test measurement and estimation of VÌo2max. J Strength Cond Res 36(2) 400-404, 2022-The Wattbike includes a 3-minute aerobic test (3mAT) along with an estimation of VÌo2max. The estimation equation that is used is from a previous study using a different protocol and sedentary subjects. The purpose of this study was to determine whether (a) the 3mAT is able to elicit VÌo2max, and (b) whether this estimation is accurate. Thirteen cyclists (10 men; age 29.2 ± 10.0 years, height 178.7 ± 8.3 cm, and mass 75.1 ± 12.5 kg) with a range of experience volunteered for this study. At the first visit, a self-paced VÌo2max (SPV) test was performed to obtain the "true" VÌo2max. At the second session, subjects completed the 3mAT. Primary dependent variables included maximal values of oxygen consumption (VÌo2), carbon dioxide production (VÌco2), heart rate (HR), ventilation (VE), and respiratory exchange ratio (RER). A repeated-measures analysis of variance showed no difference (p = 0.367) between VÌo2max values (3mAT estimation 54.3 ± 9.3 ml·kg-1·min-1, 3mAT measured 52.5 ± 8.7, SPV 54.0 ± 9.7). Paired-samples t-tests showed that HR (p = 0.027) was higher in the SPV (184.7 ± 10.6 vs. 180.9 ± 6.3 b·min-1), whereas RER and VÌco2 were both higher in the 3mAT (1.29 ± 0.10 vs. 1.19 ± 0.06 and 4.92 ± 1.01 vs. 4.62 ± 0.98, respectively; both p < 0.05). The intraclass correlation between the VÌo2max measured from the SPV and 3mAT was 0.96 (95% CI 0.88-0.99, p < 0.001), and between the 3mAT measured and estimated values was 0.91 (95% CI 0.71-0.97 p < 0.001). If an athlete has access to a Wattbike, they can complete the 3mAT, receive their VÌo2max estimation, and be confident of its accuracy.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Consumo de Oxigênio
/
Teste de Esforço
Limite:
Adult
/
Humans
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Male
Idioma:
En
Ano de publicação:
2022
Tipo de documento:
Article