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Critical power in adolescent boys and girls--an exploratory study.

Abstract : The purpose of the study was to identify critical power (CP) in boys and girls and to examine the physiological responses to exercise at and 10% above CP (CP+10%) in a sub-group of boys. Nine boys and 9 girls (mean age 12.3 (0.5) y performed 3 constant-load tests to derive CP. Eight of the boys then exercised, in random order, at CP and CP+10% until volitional exhaustion. CP was 123 (28) and 91 (26) W for boys and girls, respectively (p 0.47). Boys' time to exhaustion at CP was 18 min 37 s (4 min 13 s), which was significantly longer (p 0.13). Peak oxygen uptake (expressed as a percentage of the peak value) was not attained at the end of the trials (94 (12) and 98 (14) % for CP and CP+10%, respectively). These results provide information about the boundary between the heavy and severe exercise intensity domains in children, and have demonstrated that CP in a group of boys does not represent a sustainable steady-state intensity of exercise.
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Soumis le : mercredi 1 décembre 2021 - 11:44:01
Dernière modification le : mercredi 23 mars 2022 - 15:51:23




Craig A Williams, Jeanne Dekerle, Kerry Mcgawley, Serge Berthoin, Helen Carter. Critical power in adolescent boys and girls--an exploratory study.. Applied Physiology, Nutrition, and Metabolism, NRC Research Press (Canadian Science Publishing), 2008, Applied Physiology, Nutrition, and Metabolism, 33, pp.1105-1111. ⟨10.1139/H08-096⟩. ⟨hal-03461169⟩



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