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Limb Muscular Strength and Bone Mineral Density in Elderly Subjects with Low Skeletal Muscle Mass Index

Hayman Saddik 1Antonio Pinti 2Amal Antoun 3Nathalie Al Rassy 4Zaher El Hage 5Abdel-Jalil Berro 4Eric Lespessailles 6Hechmi Toumi 6Rawad El Hage 7

J Clin Densitom. 2021 Apr 8;S1094-6950(21)00039-1.

 doi: 10.1016/j.jocd.2021.03.011. 

Abstract

The aim of the current study was to investigate the relationships between limb muscular strength and bone mineral density (BMD) in a group of elderly subjects with low skeletal muscle mass index (SMI).55 elderly Lebanese subjects (35 women and 20 men) participated in the current study. Handgrip, one-repetition maximum (1-RM) dumbbell curl (1-RM biceps), 1-RM lying one arm triceps (1-RM triceps), 1-RM calf raise, 1-RM leg extension and 1-RM leg curl were evaluated using validated methods.In both genders, 1-RM biceps, 1-RM triceps, 1-RM leg extension and 1-RM leg curl were positively correlated to total hip BMD. The current study shows that limb muscular strength is positively correlated to hip BMD in elderly subjects with low SMI. This may have clinical implications in the field of osteoporosis prevention in elderly subjects with low SMI.