We examine osteoporosis prevention, body composition assessment and pediatric overweight. Our primary research focuses on bone responses to dietary and physical activity interventions and the links between overweight and bone quality in children.
To examine the effects of vitamin D supplementation on bone health & growth in early pubertal children
12-week longitudinal, double-blind, placebo controlled study
Multi-site study (The University of Georgia, Purdue University & Indiana University School of Medicine)
Participants: 320 children: 9-12 year old girls & 10-13 year old boys
Bone biomarkers, body composition, physical activity and dietary intakes assessed at baseline, 3-, 6-, 9-, and 12-weeks of supplementation
Funded by NIH
To examine the relationship between body composition and bone strength in late-adolescent females
Cross sectional study
Participants: 160 non-Hispanic White and Black females, aged 18-19 years
Bone geometry, bone densitometry, metabolic parameters, serum 25-hydroxyvitamin D, physical activity and dietary intakes assessed
To examine the effects of zinc supplementation on bone turnover in early pubertal children
4-week longitudinal, double blind, placebo controlled study
Participants: 160 female children, aged 9-11 years
Bone biomarkers, physical activity and dietary intakes assessed at baseline and after 4 weeks of supplementation
Funded by NIH
To conduct a 20-year prospective review of the long term effects of collegiate gymnastics participation on bone density
Subjects recruited will be among a sample of 33 women who participated in this resesarch in 1993-94 and 2003-04.
Rick Lewis is the UGA Foundation Professor in Family and Consumer Sciences.