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Titolo:
MENARCHE IN INTENSIVELY TRAINED GYMNASTS, SWIMMERS AND TENNIS PLAYERS
Autore:
BAXTERJONES ADG; HELMS P; BAINESPREECE J; PREECE M;
Indirizzi:
UNIV ABERDEEN,DEPT CHILD HLTH ABERDEEN AB9 2ZD SCOTLAND UNIV LONDON,INST CHILD HLTH LONDON ENGLAND
Titolo Testata:
Annals of human biology
fascicolo: 5, volume: 21, anno: 1994,
pagine: 407 - 415
SICI:
0301-4460(1994)21:5<407:MIITGS>2.0.ZU;2-#
Fonte:
ISI
Lingua:
ENG
Soggetto:
BIOLOGICAL MATURATION; BODY-COMPOSITION; FEMALE GYMNASTS; BALLET DANCERS; AGE; GIRLS; AMENORRHEA; HYPOTHESIS; FATNESS; GROWTH;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
39
Recensione:
Indirizzi per estratti:
Citazione:
A.D.G. Baxterjones et al., "MENARCHE IN INTENSIVELY TRAINED GYMNASTS, SWIMMERS AND TENNIS PLAYERS", Annals of human biology, 21(5), 1994, pp. 407-415

Abstract

It has been hypothesized that young athletes, undertaking intensive training, have delayed menarche due to the effects of training at an early age, although it is known that other genetic and environmental factors contribute to this observed later menarche. As part of a longitudinal study of the effects of intensive training during puberty and adolescence we investigated age of menarche in 222 athletes and their mothers. All the sports studied (gymnastics, swimming and tennis) had later mean ages of menarche (14.3, 13.3 and 13.2 years respectively) thanthe previously reported UK reference value of 13.00 years. A positivecorrelation was found between menarcheal age in mothers and daughters(r = 0.27, p<0.01). Analysis of covariance, using maternal menarchealage, socioeconomic group, duration of training and type of sport, confirmed that maternal menarcheal age and type of sport were having a significant influence on subject's age of menarche. As maternal menarcheal age and sport were the best predictors of menarcheal age in the athletes we studied, it would appear that menarche was intrinsically laterather than delayed. This suggests that some form of sport-specific selection may have occurred. It therefore seems likely that late maturation of gymnasts contributes to a girl's decision to continue participating in the sport rather than intensive training delaying menarche.

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Documento generato il 20/01/21 alle ore 11:54:10