Nutrition Influences Skeletal Development from Childhood to Adulthood: a Study of Hip, Spine, and Forearm in Adolescent Females

This study evaluated the long-term efficacy of supplemental calcium and dairy products on bone mineral areal density of the hip and spine and on the bone geometry and volumetric bone mineral density of the forearm in young females during late adolescence. The study was conducted among participants o...

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Bibliographic Details
Published in:The Journal of nutrition 2004-03, Vol.134 (3), p.701S-705S
Main Authors: Matkovic, Velimir, Landoll, John D., Badenhop-Stevens, Nancy E., Ha, Eun-Yeong, Crncevic-Orlic, Zeljka, Li, Bin, Goel, Prem
Format: Article
Language:English
Subjects:
adolescence
Adolescent
Adolescent Nutritional Physiological Phenomena - physiology
Adult
Biological and medical sciences
Bone Density - physiology
bone growth
calcium
Calcium, Dietary
Dairy Products
Dietary Proteins
Dietary Supplements
Feeding Behavior
Feeding. Feeding behavior
Female
Forearm
Fundamental and applied biological sciences. Psychology
Hip Joint - growth & development
Humans
Longitudinal Studies
peak bone mass
Spine - growth & development
Surveys and Questionnaires
Vertebrates: anatomy and physiology, studies on body, several organs or systems
White People
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Summary:This study evaluated the long-term efficacy of supplemental calcium and dairy products on bone mineral areal density of the hip and spine and on the bone geometry and volumetric bone mineral density of the forearm in young females during late adolescence. The study was conducted among participants of a randomized double-blinded, placebo-controlled clinical trial with calcium supplements and among participants of an observational study with higher consumption of dairy products. Hip and spine measurements by dual-energy X-ray absorptiometry were done every 6 mo (dairy group every 12 mo) during last 3 y of the follow-up while peripheral quantitative computerized tomography of the forearm was done at the last visit. The results of the study show a positive influence of calcium supplementation and dairy products on bone mineral density of the hip and the forearm. Dairy products were also associated with a higher bone mineral density of the spine while calcium supplementation did not have an effect. Calcium exerts its action on bone accretion during growth primarily by influencing volumetric bone mineral density while milk may have an additional impact on bone growth and periosteal bone expansion.
ISSN:0022-3166
1541-6100
DOI:10.1093/jn/134.3.701S