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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.
The radius has a nail-shaped head, and a...
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Ankle Joint01:10

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The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...
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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 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
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Distal Radioulnar Joint Instability.

Ali R Mirghasemi1, Daniel J Lee2, Narges Rahimi3

  • 1Department of Orthopaedic Surgery, Sina Hospital, School of Medicine, University of Tehran, Tehran, Iran.

Geriatric Orthopaedic Surgery & Rehabilitation
|September 2, 2015
PubMed
Summary
This summary is machine-generated.

Distal radioulnar joint (DRUJ) instability is often missed but treatable. Treatment options range from conservative methods for less active individuals to surgery for persistent instability affecting forearm function.

Keywords:
distal radioulnar jointinstabilitysurgical managementtriangular fibrocartilage complex

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Area of Science:

  • Orthopedic Surgery
  • Musculoskeletal Disorders
  • Biomechanics

Background:

  • Distal radioulnar joint (DRUJ) instability is a prevalent clinical issue.
  • It is frequently underdiagnosed, leading to delayed treatment.
  • Instability can significantly impair forearm function and quality of life.

Purpose of the Study:

  • To review the diagnostic challenges and treatment strategies for chronic distal radioulnar joint instability.
  • To outline the indications for both nonsurgical and surgical interventions.
  • To emphasize the importance of individualized treatment based on patient activity and injury severity.

Main Methods:

  • Literature review of existing studies on DRUJ instability.
  • Analysis of current treatment algorithms for chronic DRUJ instability.
  • Discussion of factors influencing treatment selection.

Main Results:

  • Nonsurgical management is suitable for less active patients.
  • Surgical intervention is indicated when conservative measures fail to restore stability and function.
  • Successful treatment requires addressing both bone and ligamentous injuries.

Conclusions:

  • The choice between surgical and nonsurgical treatment for DRUJ instability must be tailored to the individual patient.
  • Accurate diagnosis is crucial for effective management of DRUJ instability.
  • Restoring forearm stability and function is the primary goal of treatment.