Please use this identifier to cite or link to this item: https://scholarhub.balamand.edu.lb/handle/uob/2484
Title: Relationships between muscle mass, strength and regional bone mineral density in young men
Authors: Sutter, Thibault
Toumi, Hechmi
Valery, Antoine
Hage, Rawad El 
Pinti, Antonio
Lespessailles, Eric
Affiliations: Department of Physical Education 
Issue Date: 2019
Part of: PLOS ONE
Volume: 14
Issue: 3
Abstract: 
Purpose Although the relationship between body composition and bone mineral density (BMD) is well established, the relative contribution of appendicular lean mass (ALM) and fat mass (FM) to BMD has been rarely evaluated in young men. Methods We assessed 100 young men (age: 24.4±2.8 years, BMI: 23.4±2.81 kg/m2). Appendicular lean mass index (ALM/H2) (ALMI), fat mass index (FM/ H2) (FMI), percentage of body fat, BMD at lumbar spine (LS), total hip (TH), femoral neck (FN) and whole body (WB) were measured using DXA. Muscle strength was evaluated by handgrip strength. Pearsons correlations and interactions between all variables were assessed using stepwise regression analyses. Results ALM index (ALMI) was positively correlated with BMD at all sites (r = 0.62 for WB p<0.05, r = 0.54 for FN p<0.05, r = 0.64 for TH p<0.05, r = 0.56 for LS p<0.05) whereas FMI was not correlated to BMD values. Stepwise regression analyses showed that ALMI produced a significant and positive influence on BMD (β = 0.07 for WB p<0.001, β = 0.04 for FN p<0.001, β = 0.06 for TH p<0.001). Conversely, FMI was negatively associated with BMD at all sites (β = -0.02 for WB p<0.001, β = - 0.03 for FN p<0.001, β = - 0.03 for TH p<0.001, β = - 0.07 for LS p<0.001). Handgrip strength and BMDs were significantly and positively associated at all sites. Conclusions Our data suggest that BMD was positively associated with ALMI while negatively with FMI. We confirm that ALMI is the strongest factor associated with BMD in a population of young men.
URI: https://scholarhub.balamand.edu.lb/handle/uob/2484
Open URL: Link to full text
Type: Journal Article
Appears in Collections:Department of Physical Education

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