期刊
PHYSICAL & OCCUPATIONAL THERAPY IN PEDIATRICS
卷 36, 期 3, 页码 330-342出版社
TAYLOR & FRANCIS INC
DOI: 10.3109/01942638.2015.1050150
关键词
Alberta Infant Motor Scale; gross motor; infant development; infant motor skills; vitamin D
资金
- Montreal Children's Hospital - Research Institute
- Canadian Institutes for Health Research
- Nutricia Research Foundation
- Euorpharm International Inc
- Canadian Foundation for Innovation
- Fonds de la Recherche en Sante du Quebec
- Canada Research Chairs
In addition to benefits for bone health, vitamin D is implicated in muscle function in children and adults. Aims: To determine if vitamin D dosage positively correlated with gross motor development at 3 and 6 months of age. We hypothesized that higher doses would be associated with higher scores for gross motor skills. Methods: A consecutive sample of 55 healthy, term, and breastfed infants from Montreal, Canada were recruited from a randomized trial of vitamin D supplementation between 2009 and 2012. Infants were randomized to 400 International Units (IU) (n = 19), 800 IU (n = 18) or 1,200 IU (n = 18) vitamin D-3/day. Motor performance at 3 and 6 months was quantified by the Alberta Infant Motor Scale (AIMS). Plasma vitamin D-3 metabolites were measured by tandem mass spectrometry. Results: AIMS scores did not differ at 3 months. However, total AIMS scores and sitting subscores were significantly higher at 6 months in infants receiving 400 IU/day compared to 800 IU/day and 1,200 IU/day groups (p < .05). There were weak negative correlations with length and C-3 epimer of 25(OH)D. Conclusions: In contrast to our hypothesis, gross motor achievements were significantly higher in infants receiving 400 IU/day vitamin D. Our findings also support longer infants being slightly delayed.
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