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Related Concept Videos

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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Bone Remodeling01:40

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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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Osteoclasts in Bone Remodeling01:31

Osteoclasts in Bone Remodeling

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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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Fractures: Bone Repair01:27

Fractures: Bone Repair

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Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the...
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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.
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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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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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Related Experiment Video

Updated: Jul 17, 2025

Author Spotlight: Exploring the Impact of Lingnan Fire-Needle Therapy in Osteoporosis Intervention
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Author Spotlight: Exploring the Impact of Lingnan Fire-Needle Therapy in Osteoporosis Intervention

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[Exercise therapy and basic treatment for osteoporosis].

Uwe Maus1

  • 1Klinik für Orthopädie und Unfallchirurgie, Universitätsklinikum Düsseldorf, Moorenstr. 5, 40225, Düsseldorf, Deutschland. uwe.maus@med.uni-duesseldorf.de.

Orthopadie (Heidelberg, Germany)
|September 1, 2023
PubMed
Summary
This summary is machine-generated.

Physical training and adequate nutrient intake, including protein, calcium, and vitamin D, are crucial for preventing osteoporosis and fractures. This summary covers updated guidelines for osteoporosis diagnosis and treatment.

Keywords:
Bone loss, age-relatedCalciumExerciseVitamin DVitamin K

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Area of Science:

  • Gerontology
  • Orthopedics
  • Nutritional Science

Context:

  • Osteoporosis management requires a multi-faceted approach.
  • Physical activity and nutrition are key components of osteoporosis care.
  • Updated clinical guidelines provide evidence-based recommendations.

Purpose:

  • To summarize the updated S3 guideline on osteoporosis diagnosis and treatment.
  • To explain the rationale behind the guideline's recommendations.
  • To highlight the role of physical training and nutrient intake.

Summary:

  • Physical training improves muscle strength, performance, and reduces fall risk, making it integral to osteoporosis treatment.
  • Adequate nutrient intake, particularly protein, calcium, and vitamin D, is essential for basic osteoporosis management.
  • The S3 guideline provides comprehensive recommendations for osteoporosis diagnosis and therapy, including pharmacological interventions.

Impact:

  • Provides clinicians with updated evidence-based recommendations for osteoporosis management.
  • Empowers patients with knowledge on the importance of physical activity and nutrition.
  • Aims to improve patient outcomes by reducing fracture risk and enhancing quality of life.