Applicability of Criteria for V̇O2max in Active Adolescents

in Pediatric Exercise Science
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This study examined the applicability of criteria for maximal oxygen consumption (V̇O2max) in adolescents. Active females (n=38) and males (n=196) who were students at a sports-technical junior high school performed a treadmill Bruce protocol to volitional fatigue. The criteria for V̇O2max were R ≥1.0, HR ≥95% of predicted maximal for age, and an increase in V̇O2 ≤2.1 ml·kg−1·min−1 with an increase in workload. The first criterion was met by 97% of the females and 93% of the males, while 81% of the females and 75% of the males met the second criterion. Only 8% of the females and 13% of the males met the third criterion. Those who achieved a plateau showed higher HR at peak exercise compared to those who did not (204 ±7.0 vs. 200.6 ±7.2, P≤0.05). Our data indicate that a high proportion of adolescents exhibit subjective and objective indicators of maximal performance without showing a plateau in V̇O2. Age-specific criteria for V̇O2max should be developed.

The authors are with the Center for Sports Health and Exercise Sciences, Albergue Olímpico, P. O. Box 2004, Salinas, Puerto Rico 00751.

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