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Related Concept Videos

Structural Joints: Synovial Joints01:16

Structural Joints: Synovial Joints

6.8K
Synovial joints are the most common type of joint in the body. A key structural characteristic for a synovial joint is the presence of a joint cavity. This fluid-filled space is where the articulating surfaces of the bones contact each other. Also, unlike fibrous or cartilaginous joints, the articulating bone surfaces at a synovial joint are not directly connected to each other with fibrous connective tissue or cartilage. This gives the bones of a synovial joint the ability to move smoothly...
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Structural Joints: Fibrous Joints01:03

Structural Joints: Fibrous Joints

3.7K
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...
3.7K
Structural Joints: Cartilaginous Joints01:17

Structural Joints: Cartilaginous Joints

4.0K
As the name indicates, at a cartilaginous joint, the adjacent bones are united by cartilage, a tough but flexible type of connective tissue. Unlike synovial joints, these types of joints lack a joint cavity and involve bones joined together by either hyaline cartilage or fibrocartilage.
There are two types of cartilaginous joints:
Synchondrosis
A synchondrosis ("joined by cartilage") is a cartilaginous joint where bones are connected by hyaline cartilage. Synchondrosis may be temporary...
4.0K
Joints01:26

Joints

35.7K
Joints, also called articulations or articular surfaces, are points at which ligaments or other tissues connect adjacent bones. Joints permit movement and stability, and can be classified based on their structure or function.
Structural joint classifications are based on the material that makes up the joint as well as whether or not the joint contains a space between the bones. Joints are structurally classified as fibrous, cartilaginous, or synovial.
Fibrous Joints Are Immovable
The bones of a...
35.7K
Method of Joints01:30

Method of Joints

1.3K
The method of joints is a commonly used technique to analyze the forces in structural trusses. The method is based on the principle of equilibrium, which assumes that the truss members are connected by frictionless pins. The forces at each joint can be determined by considering the equilibrium of the forces acting on that joint.
Since plane truss members are in the same plane, each joint is subjected to a coplanar and concurrent force system. To apply the method of joints, the first step is to...
1.3K
Introduction to Joints00:58

Introduction to Joints

4.8K
The adult human body usually has 206 bones, and except for the hyoid bone in the neck, each bone is connected to at least one other bone. Joints are the location where bones come together. Many joints allow for movement between the bones. At these joints, the articulating surfaces of the adjacent bones can move smoothly against each other. However, the bones of other joints may be joined by connective tissue or cartilage. These joints are designed for stability and provide little or no...
4.8K

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Related Experiment Video

Updated: Jan 30, 2026

Surgical Fixation of Sternal Fractures: Preoperative Planning and a Safe Surgical Technique Using Locked Titanium Plates and Depth Limited Drilling
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Surgical Fixation of Sternal Fractures: Preoperative Planning and a Safe Surgical Technique Using Locked Titanium Plates and Depth Limited Drilling

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Sternoclavicular joint allograft reconstruction using the sternal docking technique.

Joaquin Sanchez-Sotelo1, Yaser Baghdadi1, Ngoc Tram V Nguyen1

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

JSES Open Access
|January 25, 2019
PubMed
Summary

Sternoclavicular joint reconstruction using a semitendinous allograft in a sternal docking configuration effectively restores stability and alleviates pain for most patients. This alternative method shows promising outcomes for instability and post-resection arthritis.

Keywords:
Sternoclavicular jointallograft reconstructionclavicleinstabilitysemitendinous allograftsternoclavicular docking technique

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Area of Science:

  • Orthopedic surgery
  • Musculoskeletal reconstruction
  • Sports medicine

Background:

  • Sternoclavicular joint instability often results from trauma or medial clavicle resection.
  • The figure-of-8 allograft configuration is a common but not the only reconstructive method.
  • Alternative graft configurations warrant investigation for improved patient outcomes.

Purpose of the Study:

  • To evaluate the efficacy of sternoclavicular joint reconstruction using a semitendinous allograft in a sternal docking configuration.
  • To assess functional outcomes, pain reduction, and patient satisfaction.
  • To compare this technique with traditional methods.

Main Methods:

  • 19 patients underwent sternoclavicular joint reconstruction with a semitendinous allograft in a sternal docking configuration between 2005 and 2013.
  • Indications included instability (n=16) or medial clavicle resection for osteoarthritis (n=3).
  • Median follow-up was 3 years, with outcomes assessed using pain scores, DASH, and ASES.

Main Results:

  • 84% of reconstructions were stable, with only 10.5% requiring revision.
  • Significant pain reduction was observed (VAS 5 to 1, P < .01).
  • High patient satisfaction was reported, with 84% rating cosmetic results as satisfactory.

Conclusions:

  • Sternal docking sternoclavicular joint reconstruction with a semitendinous allograft is a reliable technique.
  • It effectively restores stability and improves function in patients with sternoclavicular joint instability or post-resection defects.
  • This method offers a viable alternative for managing sternoclavicular joint pathology.