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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...
Flail Chest-I01:24

Flail Chest-I

Overview of Flail Chest
Flail chest is a severe and potentially life-threatening condition characterized by the fracture of three or more adjacent ribs in multiple places. It is most commonly caused by direct impacts and trauma, such as motor vehicle accidents or injuries from a steering wheel impact. It can also occur due to falls in elderly individuals with osteoporosis, or assaults involving sharp objects.
Pathophysiology
The pathophysiology of flail chest is complex, involving fractures of...
Cranial Bones: Lateral View01:27

Cranial Bones: Lateral View

The lateral view of the cranium is dominated by temporal, sphenoid, and ethmoid bones.
The temporal bone forms the lower lateral side of the skull. The temporal bone is subdivided into several regions. The flattened upper portion is the squamous portion of the temporal bone. Below this area and projecting anteriorly is the zygomatic process of the temporal bone, which forms the posterior portion of the zygomatic arch. Posteriorly is the mastoid portion of the temporal bone. Projecting...
Cranial Bones: Superior and Posterior View01:14

Cranial Bones: Superior and Posterior View

The superior view of the cranium shows the frontal and paired parietal bones.
The frontal bone is the single bone that forms the forehead. At its anterior midline, between the eyebrows, there is a slight depression called the glabella. The frontal bone also forms the supraorbital margin of the orbit. Near the middle of this margin is the supraorbital foramen, the opening that provides passage for a sensory nerve to the forehead. The frontal bone is thickened just above each supraorbital margin,...
Compact Bone01:27

Compact Bone

Most bones contain compact and spongy osseous tissue, but their distribution and concentration vary based on the bone's overall function.
Compact bone, also called cortical bone, is the denser, stronger of the two types of bone tissue. It is found under the periosteum and in the diaphyses of long bones, where it provides support and protection. The microscopic structural unit of compact bone is called an osteon, or haversian system. Each osteon is composed of concentric rings of calcified...
Bones of the Upper Limb: Radius01:09

Bones of the Upper Limb: Radius

The radius is longer of the two bones that make up the human antebrachium or forearm. At the proximal end, the radius articulates with the capitulum of the humerus and the radial notch of the ulna to form the elbow joint. At the distal end, the radius articulates with the ulna via the ulnar notch, forming the distal radioulnar joint. Distally, the radius also attaches to the carpal wrist bones (scaphoid and lunate) to form the radiocarpal joint.
The radius has a nail-shaped head, and a short...

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Related Experiment Video

Updated: Jul 2, 2026

Coronoid-Temporalis Pedicled Flap for Orbital Floor Defect Reconstruction
06:32

Coronoid-Temporalis Pedicled Flap for Orbital Floor Defect Reconstruction

Published on: December 5, 2025

Coronoid process fracture.

Scott P Steinmann1

  • 1Department of Orthopaedic Surgery, Mayo Clinic, Rochester, MN 55905, USA.

The Journal of the American Academy of Orthopaedic Surgeons
|September 5, 2008
PubMed
Summary
This summary is machine-generated.

Coronoid process fractures, crucial for elbow stability, can occur in isolation or with dislocations. Surgical approach depends on associated radial head fractures and intraoperative findings.

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Fracture Apparatus Design and Protocol Optimization for Closed-stabilized Fractures in Rodents
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Fracture Apparatus Design and Protocol Optimization for Closed-stabilized Fractures in Rodents

Published on: August 14, 2018

Area of Science:

  • Orthopedic Surgery
  • Elbow Biomechanics
  • Trauma Care

Background:

  • The coronoid process is vital for elbow joint stability, preventing posterior displacement.
  • Coronoid process fractures can be isolated or part of complex elbow fracture-dislocations.
  • Recent focus shifts towards detecting and treating coronoid fractures, previously overshadowed by radial head injuries.

Purpose of the Study:

  • To highlight the significance of coronoid process fractures in elbow joint stability.
  • To discuss the diagnostic and treatment considerations for coronoid fractures.
  • To outline surgical approaches based on fracture patterns and associated injuries.

Main Methods:

  • Review of literature on coronoid process fractures and elbow biomechanics.
  • Analysis of surgical strategies for isolated versus complex coronoid fractures.
  • Emphasis on intraoperative stress testing for surgical decision-making.

Main Results:

  • Coronoid fractures impact ulnohumeral stability and posterior elbow buttressing.
  • Surgical approach is dictated by the presence and type of associated radial head fracture.
  • Medial approach for isolated fractures, lateral approach for those with radial head fractures.

Conclusions:

  • Accurate assessment of coronoid fractures is essential for successful elbow reconstruction.
  • Tailoring surgical approach based on fracture characteristics and radial head integrity improves outcomes.
  • Intraoperative stress testing aids in determining surgical necessity and approach selection.