Effects of an exercise program and a calcium supplementation on bone in children: a randomized control trial.

Abstract:

:We investigated the effects of calcium supplementation and physical practice on the bone ultrasound properties and trabecular microarchitecture in children. 160 children aged 8-11 were randomly allocated to active or nonactive groups and to receive either a calcium-phosphate or a placebo powder for 6 months. Skeletal status was assessed using an ultrasound technique, which measures the speed of sound (Ad-SoS, m/s) at the phalanx. Bone microarchitecture was characterized by fractal analysis measured on calcaneus radiographs and the result expressed as the Hmean parameter, that has been shown to a good reliability of the bone texture quality. After 6 months, the calcium group had significantly gained Ad-SoS compared to the placebo group (P = 0.01) and Hmean increase was greater in the active than the nonactive group (P < 0.05). Exercise and calcium supplementation had a differential effect on the bone tissue, calcium being rather linked to a systemic effect whereas exercise has acted better onto the skeletal stressed site.

authors

Ianc D,Serbescu C,Bembea M,Benhamou L,Lespessailles E,Courteix D

doi

10.1123/ijsnem.16.6.580

subject

Has Abstract

pub_date

2006-12-01 00:00:00

pages

580-96

issue

6

eissn

1526-484X

issn

1543-2742

journal_volume

16

pub_type

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