Association between handgrip strength and bone mineral densi
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A Study was conducted to examine the association of handgrip strength (HGS) and bone mineral density (BMD) of children and adolescents.

The sample included 243 children and adolescents aged from 4 to 15 years, 171 males and 72 females. The following measurements were performed: weight, height, trunk length, and years to the peak height velocity (PHV). The percentage lean soft tissue (PLST), percentage fat mass (PFM), and BMD were obtained using Dual Energy X-ray Absorptiometry (DXA) and HGS using a dynamometer.

Results:
--In girls, HGS was positively associated with higher BMD, even after the adjustments, by arms [beta=0.006], legs [beta=0.0141], pelvis [beta=0.019], trunk [beta=0.013], spine [beta=0.013], and total body [beta=0.009].

--The same occurred in the boys, even after the adjustments a positive relationship was observed, whereas higher HGS was related to greater BMD in arms [beta=0.006], legs [beta=0.017], pelvis [beta=0.014], trunk [beta=0.009], spine [beta=0.008], and total body [beta=0.007].

Finally, regardless of age, peak height velocity, percentage lean soft tissue, or percentage fat mass, handgrip strength was positively correlated with bone mineral density in both boys and girls.

Source: https://bmcpediatr.biomedcentral.com/articles/10.1186/s12887-021-02669-1
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