Does vitamin D status predict handgrip strength in young adult women?

Ibrahim Sahin; Salih Sezgin; Lezzan Keskin; Cagatay Taskapan; Dilek Yavuz; Selma Aydin Felek; Zuhal Karaca; Hulya Taskapan

doi:10.1530/endoabs.32.P141

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Endocrine Abstracts (2013) 32 P141 | DOI: 10.1530/endoabs.32.P141

ECE2013 Poster Presentations Calcium and Vitamin D metabolism (62 abstracts)

Does vitamin D status predict handgrip strength in young adult women?

Ibrahim Sahin ¹ , Salih Sezgin ¹ , Lezzan Keskin ¹ , Cagatay Taskapan ² , Dilek Yavuz ³ , Selma Aydin Felek ⁴ , Zuhal Karaca ¹ & Hulya Taskapan ⁵

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¹Inonu University, Endocrinology, Malatya, Turkey; ²Inonu Universitiy, Biochemistry, Malatya, Turkey; ³Marmara University, Endocrinology, Istanbul, Turkey; ⁴Public Health, Malatya, Turkey; ⁵Inonu University, Internal Medicine, Malatya, Turkey.

Introduction: Increasing evidence suggesting an integral role of vitamin D in skeletal muscle function. The relationship between muscle strength and vitamin D status has been investigated to some degree in older populations, however there has been very little research in younger adult women. This study aims to measure the effects of vitamin D on handgrip strength in young adult women.

Method: A total of 141 healthy women with mean age of 33.8±6.8 were included in this cross-sectional study. Vitamin D, calcium (Ca), phosphorus (P) and parathormon (PTH) levels were measured. Dominant and non-dominant hand-grip strength were measured with hand-grip dynamometer for three times, To minimize seasonal variations all measurements were taken in the March. Ethical committee approved the study protocol.

Results: Mean vitamin D levels and mean handgrip strength were 19.5±2.96 ng/ml and 32.6±5.7 kg respectively. There was no significant difference between the mean handgrip strength of women with vitamin D deficiency (31.9±5.2 kg) or vitamin insufficiency (32.3±5.9 kg) and women with normal vitamin D levels (32.2±6.6 kg). In correlation analysis; there was no significant relation between the mean handgrip strength and the vitamin D, Ca, P levels. There was weak, but significant correlation between the PTH levels and mean handgrip strength (r=0174; P=0.049).

Conclusion: Our results suggest that vitamin D status does not predict handgrip strength at least in young adult women.