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Related Concept Videos

Bones of the Upper Limb: Ulna01:15

Bones of the Upper Limb: Ulna

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 of the...
Bones of the Upper Limb: Humerus01:19

Bones of the Upper Limb: Humerus

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...
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: Jun 2, 2026

Reverse Total Shoulder Arthroplasty
10:10

Reverse Total Shoulder Arthroplasty

Published on: July 5, 2011

Elbow interposition arthroplasty.

Darwin D Chen1, David A Forsh, Michael R Hausman

  • 1Department of Orthopaedic Surgery, Mount Sinai School of Medicine, 5 East 98th Street, 9th Floor, New York, NY 10029, USA.

Hand Clinics
|April 20, 2011
PubMed
Summary
This summary is machine-generated.

Interposition arthroplasty offers a solution for young, active patients with end-stage elbow arthritis. This procedure relieves pain and restores function while preserving bone for future options.

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Area of Science:

  • Orthopedic Surgery
  • Upper Extremity Reconstruction

Background:

  • End-stage elbow arthritis in young, active individuals poses significant challenges.
  • Total elbow arthroplasty is often unsuitable due to functional limitations and implant longevity concerns.

Purpose of the Study:

  • To evaluate interposition arthroplasty as a viable treatment for young, active patients with end-stage elbow arthritis.
  • To assess the efficacy of interposition arthroplasty in pain relief and functional restoration.

Main Methods:

  • Surgical intervention involving interposition arthroplasty for end-stage elbow arthritis.
  • Focus on patient selection for appropriate surgical indications.

Main Results:

  • Interposition arthroplasty effectively relieves severe pain in the elbow.
  • The procedure provides a functional elbow with minimal restrictions on patient activities.
  • Preservation of bone stock allows for future reconstructive possibilities.

Conclusions:

  • Interposition arthroplasty is a recommended surgical option for young, active patients with end-stage elbow arthritis.
  • This technique offers pain relief and functional improvement while conserving bone stock.