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Related Concept Videos

Bones of the Upper Limb: Radius01:09

Bones of the Upper Limb: Radius

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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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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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Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the...
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Factors Associated With Mid-term PROMIS Upper Extremity Scores in Conservatively and Operatively Treated Distal

Walter D Sobba1, Peter Ren2, Daniel De Souza1

  • 1New York University Grossman School of Medicine, New York City, USA.

Hand (New York, N.Y.)
|November 7, 2025
PubMed
Summary

Radiographic outcomes after distal radius fractures (DRFs) do not predict patient-reported function. Fracture severity and specific radiographic measures are not strongly associated with functional recovery in most patients.

Keywords:
distal radius fracturepatient-reported outcomesradial inclinationulnar variancevolar tilt

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Area of Science:

  • Orthopedic surgery
  • Trauma care
  • Patient-reported outcomes research

Background:

  • Clinical guidelines often prioritize radiographic outcomes for distal radius fractures (DRFs).
  • Evidence suggests radiographic measures do not consistently correlate with patient-reported outcomes (PROs), particularly in older adults.
  • The relationship between fracture severity, radiographic parameters, and functional recovery after DRF requires further investigation.

Purpose of the Study:

  • To determine if fracture severity and radiographic parameters post-healing predict PROs in DRF patients.
  • To test the hypothesis that no strong association exists between radiographic findings and PROs.

Main Methods:

  • Retrospective review of prospectively collected Patient-Reported Outcomes Measurement Information System Upper Extremity Function (PROMIS UE) scores.
  • Analysis of 385 patients with DRF and a minimum 6-month follow-up.
  • Multivariate linear regression to assess associations between demographics, comorbidities, AO/OTA classification, radiographic parameters, and PROMIS UE scores.

Main Results:

  • No association found between PROMIS UE scores and AO/OTA classification, ulnar variance, volar tilt, or radial inclination at 6 months.
  • A subanalysis of younger patients (≤62 years) indicated a slight decrease in PROMIS UE score with increased radial inclination.
  • 193 patients were treated conservatively and 192 operatively.

Conclusions:

  • No robust relationship exists between patient-reported function and radiographic outcomes after DRF.
  • Initial fracture severity does not predict mid-term patient-reported function.
  • Achieving reduction within established radiographic parameter ranges appears sufficient for patient function.