title: Predictive value of grip strength for bone mineral density in males: site specific or systemic?
abstract: This study aimed to investigate the predictive role of grip strength on bone mineral density (BMD) of different sites in males. Two hundred thirty-four male patients were included in the study. BMD of lumbar spine, femoral neck, proximal radius-ulna (PRU) and distal radius-ulna (DRU) sites were measured by dual-energy X-ray absorptiometry and grip strength by using a hand dynamometer. Grip strength and BMD values of PRU and DRU at forearms were significantly higher on the dominant sides (P = 0.001, P = 0.001, P = 0.001, respectively). Stepwise linear regression analysis revealed that only the grip strength of the same side was the best predictor of the BMD of the dominant and non-dominant PRU with a ratio of 8.5 and 10.2%, respectively, whereas grip strength of the same side, age and weight were the best predictors of the BMD of the dominant and non-dominant DRU with a ratio of 25 and 24.6%, respectively. There was no predictive value of grip strength for BMD of lumbar spine and femoral neck. In conclusion, grip strength appears to be predictive of site specific rather than systemic BMD.
authors.affiliation: Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Kirikkale University, Kirikkale, Turkey. gulumser_aydin@yahoo.com
authors.forename: Gülümser
authors.initials: G
authors.lastname: Aydin
authors.forename: Ebru
authors.initials: E
authors.lastname: Atalar
authors.forename: Işik
authors.initials: I
authors.lastname: Keleş
authors.forename: Aliye
authors.initials: A
authors.lastname: Tosun
authors.forename: Gülfer
authors.initials: G
authors.lastname: Zöğ
authors.forename: Hatice
authors.initials: H
authors.lastname: Keleş
authors.forename: Sevim
authors.initials: S
authors.lastname: Orkun
mesh_terms: D000328:Adult; D015519:Bone Density; D005269:Femur; D005542:Forearm / Q000502:physiology*; D018737:Hand Strength / Q000502:physiology*; D006801:Humans; D008159:Lumbar Vertebrae; D008297:Male; D008875:Middle Aged; D011237:Predictive Value of Tests