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Updated: Feb 26, 2026
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The Creation of a Rat Model for Osteosarcopenia via Ovariectomy
Published on: February 21, 2025
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Osteosarcopenia: where bone, muscle, and fat collide.
H P Hirschfeld1, R Kinsella2, G Duque3,4
1Department of Geriatrics and Gerontology, Federal University of São Paulo, 1500 Sena Madureira Avenue, São Paulo, Brazil.
Summary
Osteoporosis and sarcopenia, common in aging, can be diagnosed as osteosarcopenia. Early interventions like exercise and nutrition can prevent falls and fractures in older adults.
Area of Science:
- Gerontology
- Bone and Muscle Biology
- Metabolic Diseases
Background:
- Aging populations face increased chronic diseases, including sarcopenia and osteoporosis.
- These conditions share risk factors (genetics, endocrine, mechanical) and exhibit severe fat infiltration.
- Combined osteoporosis and sarcopenia worsen outcomes like falls, fractures, and mortality, incurring high costs.
Purpose of the Study:
- To propose osteosarcopenia as a unified diagnosis for concurrent bone and muscle loss.
- To review the epidemiology, pathophysiology, diagnosis, outcomes, and management of osteosarcopenia.
- To highlight the importance of integrated fracture prevention strategies.
Main Methods:
- Literature review summarizing current research on osteosarcopenia.
- Analysis of shared risk factors and metabolic interactions between bone and muscle.
- Examination of clinical outcomes and management strategies for combined bone and muscle loss.
Main Results:
- Osteosarcopenia is characterized by bone mineral density loss and decreased muscle mass/strength.
- Fat infiltration is a key feature in age-related bone and muscle loss.
- Combined osteosarcopenia significantly increases risks of falls, fractures, frailty, and institutionalization.
Conclusions:
- Osteosarcopenia may be a single, preventable, and treatable condition.
- Interventions like resistance training and adequate protein, calcium, and vitamin D intake benefit both bone and muscle.
- Integrated assessment and treatment of osteoporosis and sarcopenia are crucial for fracture prevention and reducing disability in older adults.
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