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Related Concept Videos

Essential Minerals for Bone Health01:31

Essential Minerals for Bone Health

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The minerals contained in all of the food we consume are essential for our organ systems. However, certain essential minerals, such as calcium, phosphorus, magnesium, manganese, and fluoride, largely affect bone health.
Calcium and Phosphorus
Calcium is a critical component of bones, especially in the form of calcium phosphate and calcium carbonate. Since the body cannot make calcium, it must be obtained from the diet. However, calcium cannot be absorbed from the small intestine without...
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Role of Vitamins in Maintaining Bone Health01:25

Role of Vitamins in Maintaining Bone Health

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The growth and maintenance of bone are regulated by a combination of nutritional factors, including vitamins, such as vitamin A, B12, C, D, and K.
Vitamin A
Vitamin A is involved in the process of bone remodeling. Retinoic acid, the active metabolite of Vitamin A, has nuclear receptors in osteoblasts and osteoclasts, which are involved in bone remodeling.
Vitamin B12
Vitamin B12 acts as a cofactor during the formation of osteoblast-related proteins, such as osteocalcin. Vitamin B12 plays a role...
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Bone Disorders01:29

Bone Disorders

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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.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
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Hormones and Bone Tissue01:17

Hormones and Bone Tissue

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The endocrine system produces and secretes hormones, which interact with the skeletal system. These hormones control bone growth, maintain bone once it is formed, and remodel it.
Hormones That Influence Osteoblasts and/or Maintain the Matrix
Several hormones are necessary for controlling bone growth and maintaining the bone matrix. The pituitary gland secretes growth hormone (GH), which, as its name implies, controls bone growth. This happens in several ways: first, it triggers chondrocyte...
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Bone Remodeling01:40

Bone Remodeling

34.4K
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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The Functions of the Skeletal System01:22

The Functions of the Skeletal System

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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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Updated: May 2, 2026

Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts
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Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts

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Physical activity and bone health.

Melissa I Carter, Pamela S Hinton

    Missouri Medicine
    |March 21, 2014
    PubMed
    Summary
    This summary is machine-generated.

    Physical activity can help prevent and treat low bone mass, reducing the risk of osteoporosis and fractures. This lifestyle choice impacts bone health across the lifespan, mitigating significant health costs and mortality.

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    Area of Science:

    • Bone health and physical activity research
    • Gerontology and public health

    Background:

    • Osteoporosis and associated fractures lead to widespread morbidity, mortality, and substantial societal costs.
    • Lifestyle factors significantly influence an individual's risk of developing osteoporosis and experiencing fractures.

    Purpose of the Study:

    • To highlight the role of physical activity in managing bone health.
    • To underscore the importance of physical activity for osteoporosis prevention and treatment.

    Main Methods:

    • Review of existing literature on physical activity and bone mass.
    • Analysis of lifestyle impacts on fracture risk across the lifespan.

    Main Results:

    • Physical activity is identified as a key factor in maintaining bone density.
    • Exercise demonstrates efficacy in both preventing low bone mass and treating existing conditions.

    Conclusions:

    • Integrating physical activity into daily life is crucial for bone health.
    • Promoting physical activity can mitigate the global burden of osteoporosis and fractures.