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Related Concept Videos

Bone Disorders01:29

Bone Disorders

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...
Fractures: Bone Repair01:27

Fractures: Bone Repair

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 procedure...
Osteoclasts in Bone Remodeling01:31

Osteoclasts in Bone Remodeling

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 bone...
Bone Remodeling and Repair01:31

Bone Remodeling and Repair

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 bone...
Role of Vitamins in Maintaining Bone Health01:25

Role of Vitamins in Maintaining Bone Health

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...
Bone Remodeling01:40

Bone Remodeling

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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Related Experiment Video

Updated: Jul 2, 2026

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device
04:19

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device

Published on: November 8, 2024

Physiatrists' opinions and practice patterns for bone health after SCI.

M C Ashe1, J J Eng, A Krassioukov

  • 1Rehabilitation Research Lab, GF Strong Rehabilitation Centre, Vancouver, British Columbia, Canada.

Spinal Cord
|August 20, 2008
PubMed
Summary

Physiatrists manage bone health after spinal cord injury (SCI), but many find current treatments for low bone mass ineffective. More research is needed to improve bone health management strategies for SCI patients.

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Longitudinal Evaluation of Mouse Hind Limb Bone Loss After Spinal Cord Injury using Novel, in vivo, Methodology
10:39

Longitudinal Evaluation of Mouse Hind Limb Bone Loss After Spinal Cord Injury using Novel, in vivo, Methodology

Published on: December 7, 2011

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Last Updated: Jul 2, 2026

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device
04:19

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device

Published on: November 8, 2024

Longitudinal Evaluation of Mouse Hind Limb Bone Loss After Spinal Cord Injury using Novel, in vivo, Methodology
10:39

Longitudinal Evaluation of Mouse Hind Limb Bone Loss After Spinal Cord Injury using Novel, in vivo, Methodology

Published on: December 7, 2011

Area of Science:

  • Rehabilitation Medicine
  • Bone Health
  • Spinal Cord Injury

Background:

  • Bone health management is a critical concern for individuals with spinal cord injury (SCI).
  • Understanding current practices and opinions of physiatrists is essential for improving care.
  • Physiatrists play a key role in managing the multifaceted health needs of SCI patients.

Purpose of the Study:

  • To determine the perspectives and current practices of physiatrists regarding bone health management in SCI patients.
  • To identify gaps and areas for improvement in the assessment and treatment of low bone mass after SCI.

Main Methods:

  • A survey-based study was conducted involving physiatrists at Canadian SCI rehabilitation centers.
  • A 17-question survey was distributed to assess opinions and practices related to bone health management.
  • The study achieved a high response rate of 85%.

Main Results:

  • Most physiatrists believe they should manage bone health post-SCI, often in collaboration with family physicians.
  • The majority of respondents assess and treat bone health issues in SCI patients.
  • A significant portion of physiatrists (over one-third) reported that current treatments for low bone mass are not effective, favoring pharmacological over rehabilitation approaches.

Conclusions:

  • Bone health is a recognized and managed issue by physiatrists in the context of SCI.
  • Further research and discussion are necessary to validate the effectiveness of current assessment and treatment strategies for low bone mass after SCI.
  • There is a need to explore and develop more effective interventions for bone health in the SCI population.