Abstract
ObjectivesTo examine the contribution of body size, biological maturation, and nonelite sports participation to longitudinal changes of left ventricular mass (LVM) in healthy boys.
MethodsOne hundred and ten boys (11.0-14.5 years at baseline) were assessed biannually for 2 years. Stature, body mass, and four skinfolds were measured. Lean body mass (LBM) was estimated. Biological maturation was assessed as years from age at peak height velocity (APHV). Sports participation was assessed by questionnaire. LVM was obtained from M-mode echocardiograms using two-dimensional images. To account for the repeated measures within individual nature of longitudinal data, multilevel random effects regression analyses were used in the analysis.
ResultsLVM increased on average 4218 g from 11 to 15 years (P
ConclusionsAmong healthy, male adolescents aged 11-15 years individual differences in growth and biological maturation influence growth of LVM. Subcutaneous adiposity and sports participation were not associated with greater LVM. Am. J. Hum. Biol. 27:530-537, 2015. (c) 2015 Wiley Periodicals, Inc.
| Original language | English |
|---|---|
| Pages (from-to) | 530-537 |
| Number of pages | 8 |
| Journal | American Journal of Human Biology |
| Volume | 27 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 2015 |
Keywords
- ARTERY RISK DEVELOPMENT
- YOUNG-ADULTS CARDIA
- LEAN BODY-MASS
- BLOOD-PRESSURE
- HYPERTROPHIC CARDIOMYOPATHY
- LONGITUDINAL SAMPLE
- ASSESSING AGREEMENT
- MATURITY OFFSET
- CHILDREN
- SIZE
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