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Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
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The most apparent functions of the skeletal system are support, protection, and movement. However, bone tissue also performs several other critical metabolic functions. For one, the bone matrix acts as a reservoir for a number of minerals important to the functioning of the body, especially calcium and phosphorus. These minerals, present in the bone tissue, can be released back into the bloodstream when required. Calcium ions, for example, are essential for muscle contractions and controlling...
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Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during...
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Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
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Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
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Related Experiment Video

Updated: Mar 16, 2026

The Creation of a Rat Model for Osteosarcopenia via Ovariectomy
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Sarcopenia and Osteoporosis.

Hyung-Min Ji1, Jun Han1, Ye-Yeon Won1

  • 1Department of Orthopedic Surgery, Ajou University Hospital, Ajou University School of Medicine, Suwon, Korea.

Hip & Pelvis
|August 19, 2016
PubMed
Summary

Strategies to combat frailty and sarcopenia are crucial for public health as lifespans increase. This review explores the link between sarcopenia and osteoporosis to identify effective prevention methods.

Area of Science:

  • Gerontology and Public Health
  • Geriatric Medicine
  • Bone and Muscle Health

Background:

  • Increasing human lifespan necessitates public health strategies for aging populations.
  • Frailty syndrome poses a significant clinical challenge, impacting quality of life.
  • Sarcopenia, the loss of muscle mass, is a key component of frailty.

Purpose of the Study:

  • To review the scientific literature on the association between sarcopenia and osteoporosis.
  • To identify and assess preventive strategies for sarcopenia and osteoporosis.
  • To inform public health approaches for managing age-related decline.

Main Methods:

  • Literature review of studies examining sarcopenia and osteoporosis.
  • Analysis of research on the interplay between muscle and bone health.
Keywords:
AgedFrail elderlyOsteoporosisSarcopenia

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  • Synthesis of findings related to preventive interventions.

    • Main Results:

    • Sarcopenia is closely linked with osteoporosis, increasing fracture risk.
    • The combination of sarcopenia and osteoporosis contributes to disability.
    • Evidence suggests potential for combined preventive strategies.

    Conclusions:

    • Understanding the sarcopenia-osteoporosis relationship is vital for geriatric health.
    • Preventive measures targeting both conditions are needed.
    • Integrated strategies can mitigate frailty and improve healthy aging.