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Related Concept Videos

Bones of the Upper Limb: Ulna01:15

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The ulna and radius are parallel bones of the antebrachium or the forearm. The ulna lies medially and consists of a bony tip called the olecranon process at its proximal end. This hook-like projection articulates with the olecranon fossa of the humerus and forms the "hinged" ulnohumeral part of the elbow joint. This joint facilitates forearm extension and flexion while preventing its hyperextension. Similarly, the coronoid process, another bony projection on the proximal/anterior side...
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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.
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The upper limb consists of the arm, forearm, wrist, and hand bones. The humerus is the single bone of the upper arm region. Proximally, it has a large, spherical, smooth head that articulates with the glenoid cavity of the scapula to form the glenohumeral or shoulder joint. The margin of the head is the anatomical neck, a residual epiphyseal plate. Laterally it extends to form bony projections called the greater tubercle and the lesser tubercle. Next to the tubercles is the surgical neck, a...
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Vascularized Composite Hand Allograft Procurement and Preparation for Distal and Proximal Forearm Allotransplantation: A Stepwise Approach
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Distal Radioulnar oint Prosthesis.

Ali Moradi1, Reza Binava1, Ehsan Vahedi1

  • 1Orthopedic Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.

The Archives of Bone and Joint Surgery
|March 29, 2021
PubMed
Summary
This summary is machine-generated.

Distal radioulnar joint (DRUJ) prostheses offer superior outcomes but remain less popular than hip or knee replacements. This review covers DRUJ anatomy, biomechanics, prosthesis types, outcomes, and offers selection guidelines for surgeons.

Keywords:
Distal radioulnar jointProsthesisReview article

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Area of Science:

  • Orthopedic surgery
  • Biomedical engineering
  • Reconstructive surgery

Background:

  • Distal radioulnar joint (DRUJ) prostheses have demonstrated superior outcomes compared to traditional reconstruction methods.
  • Despite proven benefits, DRUJ prostheses have not achieved widespread adoption comparable to hip and knee joint replacements.

Purpose of the Study:

  • To review the applied anatomy and biomechanics of the DRUJ.
  • To classify and review existing DRUJ prostheses and their clinical outcomes.
  • To provide surgical guidelines for selecting appropriate DRUJ prostheses.

Main Methods:

  • Literature review of applied anatomy and biomechanics of the DRUJ.
  • Classification of DRUJ prostheses based on existing research.
  • Analysis of outcomes for various DRUJ prosthesis types.

Main Results:

  • Detailed discussion of DRUJ anatomy and biomechanics.
  • Categorization of DRUJ prostheses with a review of their respective outcomes.
  • Identification of factors influencing prosthesis choice.

Conclusions:

  • DRUJ prostheses represent an effective treatment option for joint reconstruction.
  • Understanding DRUJ anatomy, biomechanics, and prosthesis types is crucial for optimal patient outcomes.
  • The proposed guidelines aim to facilitate informed DRUJ prosthesis selection by surgeons.