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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...

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Related Experiment Video

Updated: Jun 29, 2026

In Vitro Application of a Wireless Sensor in Flexion-Extension Gap Balance of Unicompartmental Knee Arthroplasty
07:33

In Vitro Application of a Wireless Sensor in Flexion-Extension Gap Balance of Unicompartmental Knee Arthroplasty

Published on: May 5, 2023

The emerging role for Uni-Elbow arthroplasty.

Matthew M Tomaino1

  • 1Tomaino Orthopaedic Care for Shoulder, Hand, and Elbow, LLC, Rochester, New York, USA.

American Journal of Orthopedics (Belle Mead, N.J.)
|October 18, 2008
PubMed
Summary

Uni-Elbow arthroplasty offers a novel solution for painful radiocapitellar joint arthrosis, preserving elbow biomechanics without radial head complications. This innovative approach may benefit specific elbow injuries and revision cases.

Area of Science:

  • Orthopedic surgery
  • Biomechanics
  • Joint reconstruction

Background:

  • Radiocapitellar joint arthrosis is a common cause of elbow pain.
  • Current treatments like radial head resection or implant removal have limitations.
  • Preserving native joint structures is biomechanically advantageous.

Purpose of the Study:

  • To introduce and discuss the potential role of Uni-Elbow arthroplasty.
  • To highlight its advantages over traditional methods for specific elbow conditions.
  • To explore its application in complex cases and revisions.

Main Methods:

  • This is a conceptual/review-based abstract, not detailing specific experimental methods.
  • Discussion focuses on the biomechanical principles and potential clinical applications of Uni-Elbow arthroplasty.

Related Experiment Videos

Last Updated: Jun 29, 2026

In Vitro Application of a Wireless Sensor in Flexion-Extension Gap Balance of Unicompartmental Knee Arthroplasty
07:33

In Vitro Application of a Wireless Sensor in Flexion-Extension Gap Balance of Unicompartmental Knee Arthroplasty

Published on: May 5, 2023

  • Literature review and clinical experience synthesis inform the discussion.

    • Main Results:

    • Uni-Elbow arthroplasty retains the biomechanical function of the elbow.
    • It avoids complications associated with the absence of a radial head.
    • Potential applications include acute/chronic Essex-Lopresti lesions and revision of failed radial head arthroplasty with capitellar arthrosis.

    Conclusions:

    • Uni-Elbow arthroplasty presents an innovative alternative for radiocapitellar joint arthrosis.
    • It preserves elbow function and avoids radial head absence complications.
    • Further clinical experience and outcome data will define its evolving role in elbow reconstruction.