BIOENERGETIC CHARACTERISTICS IN PREPUBERTAL SWIMMERS - COMPARISON WITH ACTIVE AND NON-ACTIVE BOYS

被引:18
作者
FALGAIRETTE, G
DUCHE, P
BEDU, M
FELLMANN, N
COUDERT, J
机构
[1] UNIV CLERMONT FERRAND,UFR STAPS,PERFORMANCE MOTRICE LAB,F-63170 CLERMONT FERRAND,FRANCE
[2] UNIV CLERMONT FERRAND,FAC MED,PHYSIOL LAB,F-63001 CLERMONT FERRAND,FRANCE
关键词
SALIVARY TESTOSTERONE; VO(2)MAX; ANAEROBIC POWER; BLOOD LACTATE; PHYSICAL ACTIVITY;
D O I
10.1055/s-2007-1021208
中图分类号
G8 [体育];
学科分类号
04 ; 0403 ;
摘要
The effects of physical activity (PA) on bioenergetic characteristics were studied in 53 prepubertal boys. Maximal oxygen consumption (VO(2)max; direct method), maximal anaerobic power (Pmax, force-velocity test), and mean power in 30 s (P30s, Wingate test) were compared (mean+/-SD) in three groups of boys of the same age (11 years): swimmers (Sw, n = 26, PA = 8+/-3 hrs/week), active boys (A, n = 16, PA = 7+/-2 hrs/week) and non-active boys (C, n = 11, PA = 3+/-2 hrs/week). No significant difference appeared between groups for VO(2)max (Sw, 50.7+/-5.4; A, 50.8+/-6.0; C, 49.4+/-7.0; ml.min(-1).kg(-1)), Pmax (Sw, 8.1+/-1.4; A, 8.4+/-1.4; C, 8.1+/-1.4; W.kg(-1)) and P30s (SW, 5.8+/-1.0 A, 6.3+/-1.7; C, 5.0+/-1.1; W.kg(-1)). Significant relationships (p<0.01) existed between Pmax, P30s (W.kg(-1)) and VO(2)max (ml.min(-1).kg(-1)): r = 0.37 and r = 0.40, respectively. This indicates that there is neither aerobic nor anaerobic specialization during prepubertal development, and that regular sporting activity induces no great changes in the bioenergetic characteristics of prepubertal boys.
引用
收藏
页码:444 / 448
页数:5
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