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Related Concept Videos

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...
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...
Bone Formation by Intramembranous Ossification01:29

Bone Formation by Intramembranous Ossification

Intramembranous ossification is one of the two processes involved in the development of bones within an embryo. The flat bones of the face, most of the cranial bones, and the clavicles are formed via this process. During intramembranous ossification, the bones develop directly from sheets of undifferentiated mesenchymal connective tissue.
The process begins when mesenchymal cells in the embryonic skeleton gather together and differentiate into osteogenic cells, which then develop into...
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.
Bone Formation by Endochondral Ossification01:24

Bone Formation by Endochondral Ossification

Bone formation, or ossification, begins around the sixth to seventh week of embryonic development. Most bones develop from a cartilaginous template through the process of endochondral ossification. Cartilage formation begins when clusters of mesenchymal cells differentiate into chondrocytes. These chondrocytes proliferate rapidly and secrete an extracellular matrix that becomes encased in a membrane called the perichondrium. The resulting cartilage model provides a template that resembles the...
Bone as Supporting Connective Tissue01:23

Bone as Supporting Connective Tissue

Bone tissue forms the internal skeleton of vertebrate animals, providing structure to the body.
Bone Matrix
Bone, or osseous tissue, is a connective tissue that has a large amount of two different types of matrix material. The organic matrix is similar to the matrix material found in other connective tissues, including some amount of collagen and elastic fibers. This gives strength and flexibility to the tissue. The inorganic matrix consists of mineral salts— mostly calcium salts— that give the...

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Related Experiment Video

Updated: Jul 9, 2026

Creating Rigidly Stabilized Fractures for Assessing Intramembranous Ossification, Distraction Osteogenesis, or Healing of Critical Sized Defects
07:35

Creating Rigidly Stabilized Fractures for Assessing Intramembranous Ossification, Distraction Osteogenesis, or Healing of Critical Sized Defects

Published on: April 11, 2012

Joint loading modality: its application to bone formation and fracture healing.

P Zhang1, G M Malacinski, H Yokota

  • 1Department of Biomedical Engineering, Indiana University Purdue University Indianapolis, Fesler Hall 115, 1120 South Drive, Indianapolis, IN 46202, USA.

British Journal of Sports Medicine
|December 1, 2007
PubMed
Summary

A new joint loading method may speed up bone healing after sports injuries. This technique enhances bone formation and repair without causing strain at the injury site, offering a promising rehabilitation approach.

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Adjustable Stiffness, External Fixator for the Rat Femur Osteotomy and Segmental Bone Defect Models

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Last Updated: Jul 9, 2026

Creating Rigidly Stabilized Fractures for Assessing Intramembranous Ossification, Distraction Osteogenesis, or Healing of Critical Sized Defects
07:35

Creating Rigidly Stabilized Fractures for Assessing Intramembranous Ossification, Distraction Osteogenesis, or Healing of Critical Sized Defects

Published on: April 11, 2012

In situ Compressive Loading and Correlative Noninvasive Imaging of the Bone-periodontal Ligament-tooth Fibrous Joint
07:09

In situ Compressive Loading and Correlative Noninvasive Imaging of the Bone-periodontal Ligament-tooth Fibrous Joint

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10:09

Adjustable Stiffness, External Fixator for the Rat Femur Osteotomy and Segmental Bone Defect Models

Published on: October 9, 2014

Area of Science:

  • Orthopedics and Sports Medicine
  • Biomedical Engineering
  • Regenerative Medicine

Background:

  • Sports injuries like stress fractures necessitate rehabilitation to promote bone formation and healing.
  • Bone remodeling is influenced by mechanical loading, but current methods may cause excessive strain.
  • Existing rehabilitation modalities often aim to stimulate bone healing through mechanical means.

Purpose of the Study:

  • To introduce and evaluate a novel joint loading modality for bone formation and fracture healing.
  • To assess the potential of this modality in post-injury rehabilitation programs.
  • To explore its efficacy in enhancing anabolic responses and accelerating wound healing.

Main Methods:

  • Review of a recently developed joint loading modality.
  • Evaluation of its effects on bone remodeling and fracture healing.
  • Analysis of its unique features and potential mechanisms of action.

Main Results:

  • The joint loading modality enhances anabolic responses.
  • It accelerates wound healing without significant in situ strain at the healing site.
  • Demonstrates potential for stimulating bone formation and fracture repair.

Conclusions:

  • The novel joint loading modality shows promise for sports injury rehabilitation.
  • It offers a method to accelerate bone healing and formation with reduced strain.
  • Further research into clinical applications and underlying mechanisms is warranted.