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Related Concept Videos

Bones of the Upper Limb: Humerus01:19

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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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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 muscles of the forearm that move the wrist, hand, and digits are numerous and diverse. They can be classified into two groups based on their location and function — the anterior and posterior compartment muscles.
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The subclavian artery transitions into the axillary artery as it exits the chest and enters the axillary region. This artery is critical for supplying blood to the shoulder area, including the head of the humerus, through the humeral circumflex arteries. As the vessel continues into the upper arm or brachium, it becomes the brachial artery. This artery plays a key role in vascularizing the brachial region and bifurcates at the elbow into several branches. These branches include the deep...
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Vascularized Composite Hand Allograft Procurement and Preparation for Distal and Proximal Forearm Allotransplantation: A Stepwise Approach
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The One Bone Forearm.

Brett Schiffman1, Douglas Hanel1

  • 1Department of Orthopaedics and Sports Medicine, University of Washington, Box 359798, 908 Jefferson Street, Seattle, WA 98104, USA.

Hand Clinics
|October 12, 2020
PubMed
Summary

The one bone forearm procedure creates a stable bridge to treat forearm instability from trauma or deformity. This salvage technique addresses complex bony and ligamentous defects when other options fail.

Keywords:
Axial instabilityDistal radioulnar jointOne bone forearmProximal radioulnar jointSynostosisUlnius

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Area of Science:

  • Orthopedic surgery
  • Reconstructive surgery
  • Trauma surgery

Background:

  • Forearm instability results from trauma, congenital deformities, tumors, infections, or failed reconstructions.
  • Global forearm instability presents complex challenges with limited treatment options.
  • Existing bony architecture defects and associated ligamentous complexes contribute to instability.

Purpose of the Study:

  • To present experience with the one bone forearm procedure.
  • To demonstrate the synostosis technique for creating a stable osseous bridge.
  • To address severe forearm instability and defects.

Main Methods:

  • The one bone forearm procedure involves creating a synostosis.
  • This technique bridges the ulnohumeral and radiocarpal joints.
  • Surgical technique selection is guided by the extent of adjacent bone loss.

Main Results:

  • The one bone forearm procedure successfully creates a stable osseous bridge.
  • This salvage procedure effectively addresses complex forearm instability.
  • The synostosis technique provides a solution for significant bony defects.

Conclusions:

  • The one bone forearm is a viable salvage procedure for complex forearm instability.
  • Synostosis effectively reconstructs the forearm's bony architecture and stability.
  • Treatment choice must consider adjacent bone loss for optimal outcomes.