Prediction equation of peak oxygen uptake for the modified shuttle test in healthy adolescents
DOI:
https://doi.org/10.1590/1809-2950/22012423ENKeywords:
Oxygen Consumption, Modified Shuttle Test, Functional Capacity, Adolescent.Abstract
Given the gap in the literature regarding the peak
of oxygen consumption (VO2
peak) for adolescents of both
sexes, this study aimed to propose an equation to predict the
VO2
peak in healthy adolescents using the Modified Shuttle
Test (MST). This is a cross-sectional study with 84 healthy
adolescents between 12 and 18 years old, female and male.
The MST is an external paced test, in which the speed
increases at each minute. Two MST were performed with
at least 30 minutes of rest between them. The test with the
longest walked distance was considered for analysis. VO2
was
directly monitored by an open circuit spirometry. Mean age
was 14.67±1.82 and the walked distance was 864.86±263.48m.
Variables included in the prediction equation were walked
distance and sex, explaining the VO2
peak variability of 53%
during MST performance. The prediction equation for VO2
peak
with the MST was: predicted VO2
peak=18.274+(0.18×Distance
Walked, meters)+(7.733×Sex); R2
=0.53 and p<0.0001 (sex:
0 for girls, 1 for boys). This MST equation, proposed to predict
VO2
peak in healthy adolescents of both sexes, can be used as
a reference to assess exercise capacity in healthy adolescents
and to investigate cardiopulmonary function in adolescents
with reduced functional capacity
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Copyright (c) 2023 Thaís Eugênio Duarte Costa, Hércules Ribeiro Leite, Bruno Alvarenga Soares, Fernanda Cordoba Lanza, Vanessa Amaral Mendonça, Ana Cristina Rodrigues Lacerda, Camila Danielle Cunha Neves, Murilo Xavier Oliveira
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