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Motriz: Revista de Educação Física
On-line version ISSN 1980-6574
CARNEIRO, José Ailton Oliveira et al. Influence of obesity and handgrip strength in the static postural balance of active older women. Motriz: rev. educ. fis. [online]. 2012, vol.18, n.3, pp. 432-440. ISSN 1980-6574. http://dx.doi.org/10.1590/S1980-65742012000300003.
The objective of this study was to investigate the influence of the obesity and handgrip strength on the static balance of active older women in the opened and closed eyes conditions. Thirty one women aged from 65 to 75 years (16 eutrophic and 15 obese) were evaluated. Mean age and BMI of the eutrophic women were, respectively, 68.3±2.7 years and 23.4±1.6kg/m2, and of the obese women were 69.1±2.7 years and 33.5±3kg/m2. Handgrip strength was evaluated using a dynamometer (JAMAR). A tridimensional sensors system was used to evaluate the static postural balance. The tests were performed for 90 seconds, with eyes opened and closed. The mean handgrip strength of the eutrophic women was 25.1±4.6kgf and of the obese women was 24.8±5.2kgf, (p>0,05). Significant differences between groups were only observed in the maximum displacement with opened eyes (p=0,04) and closed eyes(p<0,01). There was no correlation between the maximum displacement neither with the BMI or the handgrip strength. The present study showed smaller a-p displacement in obese than in eutrophic women, with major statistic difference in the eyes closed condition. In the present study, the handgrip strength did not influence the static balance, however the obesity was a determinant factor for the smaller a-p displacement of the active older women.
Keywords : Older; Obesity; Balance; Muscular strength.