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Related Concept Videos

Eccentric Axial Loading in a Plane of Symmetry01:16

Eccentric Axial Loading in a Plane of Symmetry

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Eccentric axial loading occurs when an axial load is applied away from the centroidal axis of a structural member. This scenario is common in engineering, where structural elements may not be directly aligned due to various design or functional requirements.
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Deformation in a Circular Shaft01:10

Deformation in a Circular Shaft

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One of the distinctive characteristics of circular shafts is their ability to maintain their cross-sectional integrity under torsion. In other words, each cross-section continues to exist as a flat, unaltered entity, simply rotating like a solid, rigid slab. To understand the distribution of shearing stress within such a shaft, consider a cylindrical section inside this circular shaft. This section has a length of L and a radius of R, with one end fixed. The radius of the cylindrical section is...
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Beams with Unsymmetric Loadings01:17

Beams with Unsymmetric Loadings

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Analyzing a supported beam under unsymmetrical loadings is essential in structural engineering to understand how beams respond to varied force distributions. This analysis involves calculating the deflection and identifying points where the slope of the beam is zero, which are crucial for ensuring structural stability and functionality.
The first moment-area theorem determines the slope at any point on the beam. This theorem indicates that the change in slope between two points on a beam...
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Deformations in a Symmetric Member in Bending01:18

Deformations in a Symmetric Member in Bending

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When analyzing the deformation of a symmetric prismatic member subjected to bending by equal and opposite couples, it becomes clear that as the member bends, the originally straight lines on its wider faces curve into circular arcs, with a constant radius centered at a point known as Point C. This phenomenon helps to understand the stress and strain distribution within the member more clearly.
When the member is segmented into tiny cubic elements, it is observed that the primary stress...
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General Case of Eccentric Axial Loading01:12

General Case of Eccentric Axial Loading

173
Unsymmetrical bending occurs when the bending moment applied to a structural member does not align with its principal axis. This misalignment leads to complex stress distributions and deflection patterns that differ from symmetrical bending, which are essential for designing structures to withstand different loading conditions.
Consider a member subjected to equal and opposite forces that are applied along a line that does not coincide with the member's neutral axis. In unsymmetrical...
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Unsymmetric Loading of Thin-Walled Members01:23

Unsymmetric Loading of Thin-Walled Members

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Thin-walled members with non-symmetrical cross-sections are vital to engineering structures, offering material efficiency and structural integrity. However, unsymmetrical loading on these members leads to complex stress distributions, resulting in simultaneous bending and twisting can cause deformation or structural failure. The interaction between bending and twisting requires detailed analysis to ensure structural resilience.
The concept of the shear center is crucial in countering the...
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Updated: Jun 7, 2025

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An Algorithm for Management of Radial Longitudinal Deficiency.

Anil K Bhat1, Mithun Pai G1

  • 1Department of Hand Surgery, Kasturba Medical College Manipal, Manipal Academy Of Higher Education, Manipal, Karnataka, India.

The Journal of Hand Surgery Asian-Pacific Volume
|November 15, 2024
PubMed
Summary

Management of radial longitudinal deficiency (RLD) is diverse due to a lack of guidelines. This article presents a treatment algorithm for RLD, considering associated syndromes and elbow stiffness.

Keywords:
CentralisationRadial longitudinal deficiencyRadialisationSyndromeUlnar cuff osteotomy

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Area of Science:

  • Orthopedics
  • Hand Surgery
  • Pediatric Surgery

Background:

  • Radial longitudinal deficiency (RLD) management lacks standardized guidelines, leading to varied treatment approaches and outcomes.
  • RLD is associated with genetic syndromes (e.g., Holt-Oram, TAR, Fanconi anemia, VACTERL) and elbow stiffness, complicating treatment decisions.
  • Current surgical treatments for RLD have limitations in fully restoring wrist function and appearance despite extensive study.

Purpose of the Study:

  • To present a comprehensive treatment algorithm for radial longitudinal deficiency (RLD).
  • To synthesize literature evidence and clinical experience for managing RLD.
  • To guide surgeons in developing individualized treatment plans for RLD.

Main Methods:

  • Literature review of existing RLD management strategies.
  • Analysis of clinical experience with various surgical interventions.
  • Development of a treatment algorithm integrating evidence and clinical practice.

Main Results:

  • Centralization and radialization remain primary surgical techniques for RLD.
  • Innovative approaches involve biomechanical alterations through bony, soft tissue, and microvascular procedures.
  • Holistic management requires understanding proximal limb changes.

Conclusions:

  • A structured treatment algorithm can help standardize RLD management.
  • Tailoring interventions to patient-specific factors, including associated conditions, is crucial.
  • Further advancements are needed to improve functional and aesthetic outcomes in RLD treatment.