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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...
Flail Chest-I01:24

Flail Chest-I

Overview of Flail Chest
Flail chest is a severe and potentially life-threatening condition characterized by the fracture of three or more adjacent ribs in multiple places. It is most commonly caused by direct impacts and trauma, such as motor vehicle accidents or injuries from a steering wheel impact. It can also occur due to falls in elderly individuals with osteoporosis, or assaults involving sharp objects.
Pathophysiology
The pathophysiology of flail chest is complex, involving fractures of...
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...
Muscles that Move the Forearm01:16

Muscles that Move the Forearm

The muscles that move the forearms can be divided into four groups: forearm flexors, forearm extensors, forearm pronators, and forearm supinators. The flexors and extensors act on the elbow joint, while the pronators and supinators act on the radioulnar joints.
Forearm Flexors
The biceps brachii, brachialis, and brachioradialis are forearm flexors. The biceps brachii is made up of two heads. Its long head originates at the supraglenoid tubercle of the scapula, whereas that of the short head is...

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Related Experiment Video

Updated: Jun 26, 2026

C-arm-Free Simultaneous OLIF51 and Percutaneous Pedicle Screw Fixation in a Single Lateral Position
12:25

C-arm-Free Simultaneous OLIF51 and Percutaneous Pedicle Screw Fixation in a Single Lateral Position

Published on: September 16, 2022

[Bipolar forearm dislocation or floating forearm (a case report)].

A Daoudi1, A Elibrahimi, W D Loudiyi

  • 1Service de chirurgie orthopédique, CHU Hassan II, Fès, Morocco. daoudiabdelkrim@yahoo.fr

Chirurgie De La Main
|January 21, 2009
PubMed
Summary
This summary is machine-generated.

Floating forearm, a rare injury combining elbow and wrist dislocation, presents diagnostic challenges. Early diagnosis is crucial for better outcomes in this uncommon trauma.

Related Experiment Videos

Last Updated: Jun 26, 2026

C-arm-Free Simultaneous OLIF51 and Percutaneous Pedicle Screw Fixation in a Single Lateral Position
12:25

C-arm-Free Simultaneous OLIF51 and Percutaneous Pedicle Screw Fixation in a Single Lateral Position

Published on: September 16, 2022

Area of Science:

  • Orthopedic Surgery
  • Traumatology
  • Radiology

Background:

  • Bipolar dislocation of the forearm, also known as floating forearm, is a rare and severe upper extremity injury.
  • This injury pattern involves simultaneous dislocation of both the elbow and the wrist joints.
  • Literature reports are scarce, with only six cases previously documented.

Observation:

  • The authors present a unique case of bipolar forearm dislocation.
  • The specific case involved a posterior elbow dislocation.
  • Concurrently, a perilunate dislocation of the wrist was observed.

Findings:

  • The diagnosis of associated wrist dislocation can be easily missed during initial assessment.
  • Delayed diagnosis of wrist dislocation can negatively impact patient prognosis.
  • This case highlights the complexity and potential for underdiagnosis of this rare injury.

Implications:

  • Emphasizes the need for thorough clinical and radiological evaluation in suspected floating forearm injuries.
  • Highlights the importance of recognizing perilunate and associated elbow dislocations.
  • Suggests that increased awareness may improve diagnostic accuracy and patient outcomes for this rare condition.