Echocardiographic dimensions in trained and untrained 12-year-old boys and girls

R. D. Telford, I. G. McDonald, L. B. Ellis, M. Chennells, E. R. Sandstrom, P. J. Fuller

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

The purpose of this study was to compare echocardiographically measured left ventricular (LV) dimensions of 85 trained 11-12-year-old athletes with 106 untrained children matched for skeletal age and fat-free mass. Training status for each group applied to the 3 years prior to the measurements. It was found that 12 min and 100 m runs demonstrated the superior athletic ability of the trained children, but there were no significant differences in LV internal diameters at diastole and systole, in LV posterior wall thickness, or in LV end-diastolic volume and LV mass. These data indicate that little difference occurs in LV size between moderately trained and untrained 11-12-year olds or between boys and girls matched for fat-free mass and skeletal age. It is also evident that consistent but moderate training during late pre-adolescence has little effect on LV development.

Original languageEnglish
Pages (from-to)49-57
Number of pages9
JournalJournal of Sports Sciences
Volume6
Issue number1
DOIs
Publication statusPublished - 1 Jan 1988
Externally publishedYes

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