Critical power in adolescent boys and ...
Document type :
Article dans une revue scientifique: Article original
DOI :
PMID :
Permalink :
Title :
Critical power in adolescent boys and girls--an exploratory study.
Author(s) :
Williams, Craig A [Auteur]
University of Exeter
Dekerle, Jeanne [Auteur]
University of Brighton
McGawley, Kerry [Auteur]
University of Brighton
Berthoin, Serge [Auteur]
Unité de Recherche Pluridisciplinaire Sport, Santé, Société (URePSSS) - ULR 7369
Carter, Helen [Auteur]
University of Brighton
University of Exeter
Dekerle, Jeanne [Auteur]
University of Brighton
McGawley, Kerry [Auteur]
University of Brighton
Berthoin, Serge [Auteur]
Unité de Recherche Pluridisciplinaire Sport, Santé, Société (URePSSS) - ULR 7369
Carter, Helen [Auteur]
University of Brighton
Journal title :
Applied Physiology, Nutrition, and Metabolism
Abbreviated title :
Appl Physiol Nutr Metab
Volume number :
33
Pages :
1105-1111
Publication date :
2008-12-01
ISSN :
1715-5312
English keyword(s) :
Adolescent
Exercise
Exercise Test
Female
Humans
Lactic Acid
Male
Oxygen Consumption
Physical Endurance
Physical Exertion
Reference Values
Sex Distribution
Time Factors
Exercise
Exercise Test
Female
Humans
Lactic Acid
Male
Oxygen Consumption
Physical Endurance
Physical Exertion
Reference Values
Sex Distribution
Time Factors
HAL domain(s) :
Sciences du Vivant [q-bio]
English abstract : [en]
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 ...
Show more >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.Show less >
Show more >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.Show less >
Language :
Anglais
Peer reviewed article :
Oui
Audience :
Internationale
Popular science :
Non
Administrative institution(s) :
Université de Lille
Univ. Artois
Univ. Littoral Côte d’Opale
Univ. Artois
Univ. Littoral Côte d’Opale
Research team(s) :
Activité Physique, Muscle, Santé (APMS)
Submission date :
2021-11-13T19:18:29Z
2021-12-01T10:43:52Z
2021-12-01T10:43:52Z
Files
- 2008_Williams_APNM.pdf
- Version éditeur
- Confidential access
- Access the document