Strength training preserves the bone mineral density of postmenopausal women without hormone replacement therapy. 2009

Danilo Sales Bocalini, and Andrey Jorge Serra, and Leonardo dos Santos, and Neif Murad, and Rozeli Ferreira Levy
Federal University of São Paulo and Heart Institute, Medical School of São Paulo University, Rue General Chagas Santos 392, CEP: 04146-050. São Paulo, Brazil. bocalini@fcr.epm.br

OBJECTIVE The study was designed to evaluate the effects of strength training (ST) on the bone mineral density (BMD) of postmenopausal women without hormone replacement therapy. METHODS Subjects were randomized into untrained (UN) or trained (TR) groups. The TR group exercised three ST sessions per week for 24 weeks, and body composition, muscular strength, and BMD of the lumbar spine and femur neck were evaluated. RESULTS Body weight, mass index, and fat percentage were lower after 24 weeks only in the TR group (p < .05). SR also improved the one repetition maximum test in 46% and 39% of upper and lower limbs, respectively. The percentage of demineralization was higher in the UN group than in the TR group at the lumbar spine and femoral neck (p < .05). CONCLUSIONS Results indicated that 24 weeks of ST improved body composition parameters, increased muscular strength, and preserved BMD in postmenopausal women.

UI MeSH Term Description Entries
D008159 Lumbar Vertebrae VERTEBRAE in the region of the lower BACK below the THORACIC VERTEBRAE and above the SACRAL VERTEBRAE. Vertebrae, Lumbar
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009142 Musculoskeletal Physiological Phenomena Processes and properties of the MUSCULOSKELETAL SYSTEM. Musculoskeletal Physiologic Processes,Musculoskeletal Physiological Process,Musculoskeletal Physiological Processes,Musculoskeletal Physiology,Musculoskeletal Physiologic Process,Musculoskeletal Physiological Concepts,Musculoskeletal Physiological Phenomenon,Physiology, Musculoskeletal,Concept, Musculoskeletal Physiological,Concepts, Musculoskeletal Physiological,Musculoskeletal Physiological Concept,Phenomena, Musculoskeletal Physiological,Phenomenon, Musculoskeletal Physiological,Physiologic Process, Musculoskeletal,Physiologic Processes, Musculoskeletal,Process, Musculoskeletal Physiologic,Process, Musculoskeletal Physiological,Processes, Musculoskeletal Physiologic,Processes, Musculoskeletal Physiological
D003720 Densitometry The measurement of the density of a material by measuring the amount of light or radiation passing through (or absorbed by) the material. Densitometries
D005081 Exercise Therapy A regimen or plan of physical activities designed and prescribed for specific therapeutic goals. Its purpose is to restore normal musculoskeletal function or to reduce pain caused by diseases or injuries. Rehabilitation Exercise,Remedial Exercise,Therapy, Exercise,Exercise Therapies,Exercise, Rehabilitation,Exercise, Remedial,Exercises, Rehabilitation,Exercises, Remedial,Rehabilitation Exercises,Remedial Exercises,Therapies, Exercise
D005260 Female Females
D005272 Femur Neck The constricted portion of the thigh bone between the femur head and the trochanters. Femoral Neck,Neck, Femoral,Neck, Femur
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D015519 Bone Density The amount of mineral per square centimeter of BONE. This is the definition used in clinical practice. Actual bone density would be expressed in grams per milliliter. It is most frequently measured by X-RAY ABSORPTIOMETRY or TOMOGRAPHY, X RAY COMPUTED. Bone density is an important predictor for OSTEOPOROSIS. Bone Mineral Content,Bone Mineral Density,Bone Densities,Bone Mineral Contents,Bone Mineral Densities,Density, Bone,Density, Bone Mineral

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