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Serum [25(OH)D] status, ankle strength and activity show seasonal variation in older adults: relevance for winter falls in higher latitudes
Author(s) -
Marie-Louise Bird,
Keith Hill,
Iain Robertson,
Madeleine J. Ball,
Jane K. Pittaway,
Andrew D. Williams
Publication year - 2012
Publication title -
age and ageing
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.014
H-Index - 143
eISSN - 1468-2834
pISSN - 0002-0729
DOI - 10.1093/ageing/afs067
Subject(s) - medicine , ankle , seasonality , incidence (geometry) , ankle dorsiflexion , low latitude , physical activity , latitude , demography , physical therapy , surgery , ecology , biology , physics , geodesy , sociology , geography , optics
seasonal variation exists in serum [25(OH)D] and physical activity, especially at higher latitudes, and these factors impact lower limb strength. This study investigates seasonal variation in leg strength in a longitudinal repeated measures design concurrently with serum vitamin D and physical activity.

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