Related Experiment Video
Updated: Aug 31, 2025

08:18
Three-Dimensional Reconstruction of Orbital Fractures
Published on: May 16, 2025
310
Classification of coronoid process fractures: A pending question.
Daofeng Wang1,2, Jiantao Li1,2, Gaoxiang Xu1,2
1Department of Orthopedics, The Fourth Medical Center of Chinese PLA General Hospital, Beijing, China.
Frontiers in Surgery
|August 19, 2022
Summary
Ulna coronoid fractures are complex elbow injuries often involving other trauma. Current classifications inadequately address combined injuries, impacting treatment and prognosis for elbow stability.
Area of Science:
- Orthopedics
- Trauma Surgery
- Elbow Biomechanics
Background:
- Ulna coronoid fractures are complex elbow injuries requiring precise classification for effective management.
- Existing classification systems fail to fully encompass the diverse patterns of coronoid fractures and associated injuries.
- Elbow stability hinges on preserving ulnohumeral joint contact, making accurate fracture assessment critical.
Purpose of the Study:
- To highlight the limitations of current coronoid fracture classifications.
- To emphasize the need for classifications that incorporate associated injuries and impact on elbow stability.
- To discuss optimal surgical strategies for complex coronoid fractures, including terrible-triad and anteromedial facet fractures.
Main Methods:
- Review of existing literature on ulna coronoid fracture classification.
- Analysis of fracture patterns and associated elbow injuries.
- Evaluation of current surgical treatment strategies based on fracture classification.
Main Results:
- Current coronoid fracture classifications are insufficient for all fracture patterns and do not account for combined injuries.
- Coronoid fractures frequently occur with radial head fractures, complicating treatment and worsening prognosis.
- Terrible-triad injuries and anteromedial facet fractures require specific consideration for surgical intervention.
Conclusions:
- A comprehensive classification system for ulna coronoid fractures is needed to guide diagnosis, treatment, and improve patient outcomes.
- Accurate assessment of combined injuries and elbow instability is crucial for surgical decision-making.
- Surgical tactics for complex elbow trauma remain a subject of ongoing debate and require further refinement.
Related Concept Videos
Fractures: Bone Repair
3.6K
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...
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...
3.6K
Functional Classification of Joints
4.5K
Functional Classification of Joints
The functional classification of joints is determined by the amount of mobility between the adjacent bones. Joints are functionally classified as a synarthrosis or immobile joint, an amphiarthrosis or slightly moveable joint, or as a diarthrosis, a freely moveable joint. Fibrous and cartilaginous joints can be functionally classified as either synarthroses or amphiarthroses, whereas all synovial joints are classified as diarthroses.
Synarthrosis
An...
The functional classification of joints is determined by the amount of mobility between the adjacent bones. Joints are functionally classified as a synarthrosis or immobile joint, an amphiarthrosis or slightly moveable joint, or as a diarthrosis, a freely moveable joint. Fibrous and cartilaginous joints can be functionally classified as either synarthroses or amphiarthroses, whereas all synovial joints are classified as diarthroses.
Synarthrosis
An...
4.5K
Structural Classification of Joints
3.9K
Joints, also known as articulations, are classified based on their structural characteristics, i.e., based on whether the articulating surfaces of the adjacent bones are directly connected by fibrous connective tissue or cartilage, or whether the articulating surfaces contact each other within a fluid-filled joint cavity. These differences serve to divide the joints of the body into three structural classifications.
A fibrous joint is where the adjacent bones are united by fibrous connective...
A fibrous joint is where the adjacent bones are united by fibrous connective...
3.9K
Classification of Bones
6.4K
The bones of the human skeletal system are of varied shapes, sizes, and functions. They can be classified based on their shape and function into four major classes: long bones, short bones, flat bones, and irregular bones. Some classifications include a fifth type, the sesamoid bones, as a separate class, whereas others categorize them under short bones.
Long and Short Bones
The appendicular skeleton, particularly the upper and lower limbs, is primarily made of long and short bones. The...
Long and Short Bones
The appendicular skeleton, particularly the upper and lower limbs, is primarily made of long and short bones. The...
6.4K
Structural Joints: Fibrous Joints
2.2K
Fibrous joints are a type of joint where the bones are connected by fibrous connective tissue. These joints provide stability and minimal to no movement between the articulating bones. There are three types of fibrous joints.
Suture
All the bones of the skull, except for the mandible, are joined to each other by a fibrous joint called a suture. The fibrous connective tissue found at a suture strongly unites the adjacent skull bones and thus helps to protect the brain and form the face. In...
Suture
All the bones of the skull, except for the mandible, are joined to each other by a fibrous joint called a suture. The fibrous connective tissue found at a suture strongly unites the adjacent skull bones and thus helps to protect the brain and form the face. In...
2.2K
Cranial Bones: Superior and Posterior View
2.7K
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,...
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,...
2.7K

