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May 16, 2026Orthopaedic Proceedings

The Distribution Characteristics of Whole-Lower-Limb Axial Torsion: A Large-Scale Developmental Dysplasia of the Hip Cohort Study Reveals Deformities Primarily Located in the Proximal Femur With Rare Tibial Abnormalities

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Authors

HZHong Zhang

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Overview

Randomized trial defines torsion distribution in DDH patients, highlighting proximal femur deformities.

Key Points

  • This research aims to clarify the distribution characteristics of lower limb torsion in patients with developmental dysplasia of the hip.
  • Retrospective review of imaging data from 254 DDH patients and 61 non-DDH controls
  • Measured various angles related to femoral and tibial torsion
  • Used ANOVA with Bonferroni correction for intergroup comparisons and regression for factor analysis
  • DDH patients had significantly greater femoral torsion (34.2±10.6 vs. 22.3±19.4, p<0.01)
  • 78% of DDH hips exhibited increased femoral torsion, while only 10% showed increased tibial torsion
  • Three-fifths of the total femoral torsion occurred proximal to the lesser trochanter

Cite This Study

Hong Zhang (2026) studied this question.

synapsesocial.com/papers/6a0809bea487c87a6a40b8a6https://doi.org/10.1302/1358-992x.2026.4.061
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Relationship between femoral anteversion and tibial torsion: CT evaluation of 38 unilateral developmental dysplasia of the hip patients2018 · 3 citations
  2. 2Lower limb maltorsion and acetabular deformity in children and adolescents with X-linked hypophosphatemia2024 · 1 citations
  3. 3Three-Dimensional Analysis Versus Two-Dimensional Slice-Based Analysis of CT for Measuring Femoral Torsion and Its Correlation to Passive Hip Range of Motion2022 · 8 citations
  4. 4Proximal Femoral Morphology in Development Dysplasia of the Hip Based on Three-Dimensional (3D) Analysis2025
  5. 5The morphology of the femur in developmental dysplasia of the hip1998 · 194 citations