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Related Concept Videos

Fractures: Bone Repair01:27

Fractures: Bone Repair

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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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Bones of the Upper Limb: Radius01:09

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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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Related Experiment Video

Updated: Dec 4, 2025

Creating Rigidly Stabilized Fractures for Assessing Intramembranous Ossification, Distraction Osteogenesis, or Healing of Critical Sized Defects
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Using 6 Degrees of Freedom to Systematically Reduce and Fix Distal Radius Fractures.

Adam M Gordon1, Eric Perez, Kanu S Goyal

  • 1Department of Orthopaedics, The Ohio State University Wexner Medical Center, Columbus, OH.

Techniques in Hand & Upper Extremity Surgery
|October 22, 2020
PubMed
Summary
This summary is machine-generated.

Understanding six degrees of freedom (6DOF) in fracture care aids in precise reduction and alignment. This principle is applied to distal radius fractures for systematic management of articular block displacement.

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Area of Science:

  • Orthopedic Surgery
  • Biomechanics
  • Fracture Management

Background:

  • Six degrees of freedom (6DOF) describes the movement capabilities of a rigid body in three-dimensional space.
  • In fracture care, 6DOF principles enhance understanding of fragment movement and alignment.
  • Distal radius fractures often involve complex displacement of the articular block.

Purpose of the Study:

  • To apply the six degrees of freedom (6DOF) concept to systematically reduce and align distal radius fractures.
  • To present a surgical technique for open reduction and internal fixation addressing 6DOF instability.
  • To improve the understanding and management of articular block displacement in distal radius fractures.

Main Methods:

  • Conceptual application of the six degrees of freedom (6DOF) model to fracture fragments.
  • Detailed description of the three translational (shortening, dorsal, radial) and three rotational (tilt, inclination, supination) displacements of the articular block.
  • Presentation of a volar approach for open reduction and internal fixation, addressing 6DOF instability stepwise.

Main Results:

  • The study outlines a systematic approach to managing distal radius fracture instability based on 6DOF principles.
  • The described technique allows for controlled reduction of the articular block in all six degrees of freedom.
  • This method facilitates precise alignment and fixation of complex distal radius fractures.

Conclusions:

  • The six degrees of freedom (6DOF) framework provides a comprehensive understanding of distal radius fracture displacement.
  • A stepwise surgical technique utilizing the volar approach effectively addresses 6DOF instability.
  • Applying 6DOF principles enhances the precision of open reduction and internal fixation for distal radius fractures.