Effect of a maximal treadmill test on percent body fat using leg-to-leg bioelectrical impedance analysis in children

The purpose of this investigation was to determine the effect of a maximal treadmill exercise test on percent body fat (%BF) in children using leg-to-leg bioelectrical impedance analysis (LBIA) (Tanita Model #TBF-300A). Fifty-four children (24 females; 30 males) between 7-10 years of age participate...

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Bibliographic Details
Published in:Journal of sports medicine and physical fitness 2006-09, Vol.46 (3), p.454-457
Main Authors: ANDREACCI, J. L, DIXON, C. B, LAGOMARSINE, M, LEDEZMA, C, GOSS, F. L, ROBERTSON, R. J
Format: Article
Language:English
Subjects:
Activities of Daily Living
Adiposity
Analysis of Variance
Biological and medical sciences
Body Composition
Body fat
Body Weight
Changes
Child
Electric Impedance
Exercise
Exercise Test
Female
Females
Fundamental and applied biological sciences. Psychology
Heart Rate
Humans
Leg
Male
Males
Nutrition
Oxygen Consumption
Physical Endurance
Physical Fitness
Pulmonary Gas Exchange
Sex Distribution
Standard deviation
Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports
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Summary:The purpose of this investigation was to determine the effect of a maximal treadmill exercise test on percent body fat (%BF) in children using leg-to-leg bioelectrical impedance analysis (LBIA) (Tanita Model #TBF-300A). Fifty-four children (24 females; 30 males) between 7-10 years of age participated in this study. LBIA measures of %BF were obtained immediately before and within 5 min after completing a maximal oxygen consumption test on a motorized treadmill. No pre- to post-test differences in %BF were observed in either group (mean difference: females 1.6%, males 1.5%). Impedance values significantly decreased postexercise (P < 0.05) in the female subjects. No significant differences were observed for fat mass, fat free mass, total body water or body weight postexercise when compared to pre-exercise values in either group. Correlations (P = 0.0001) of 0.997 were observed between pre- and postexercise measures of %BF. A maximal treadmill exercise test conducted prior to LBIA has no impact on %BF in children. Therefore, normal daily activities performed prior to LBIA assessment may have a limited impact on LBIA body composition measurement in children. As such, compliance with stringent pretesting exercise guidelines may not be essential when using LBIA to assess %BF in children.
ISSN:0022-4707
1827-1928