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Related Experiment Video

Updated: Jul 23, 2025

Evaluation of Patients' Posture and Gait Profile After Lumbar Fusion Surgery by Video Rasterstereography and Treadmill Gait Analysis
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Leg Length Discrepancy After Hip Fracture Repair is Associated With Reduced Gait Speed.

Alexa N Pearce1, Frederick E Sieber2, Nae-Yuh Wang3

  • 1Department of Orthopaedic Surgery, University of Arkansas for Medical Sciences, Little Rock, AR, USA.

Geriatric Orthopaedic Surgery & Rehabilitation
|July 12, 2023
PubMed
Summary

Leg length discrepancy (LLD) after hip fracture repair impacts walking speed but not most functional recovery metrics. Efforts to restore leg length may improve gait post-surgery.

Keywords:
gait speedhip fractureleg length discrepancysit to standwalking time

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Area of Science:

  • Orthopedics
  • Geriatric Medicine
  • Rehabilitation Science

Background:

  • Hip fracture repair in elderly patients can lead to leg length discrepancy (LLD).
  • LLD is a potential factor influencing functional outcomes post-surgery.
  • Previous studies suggest a negative correlation between LLD and functional recovery.

Purpose of the Study:

  • To assess the impact of LLD on functional outcomes in elderly patients post-hip fracture repair.
  • To evaluate LLD effects on 3-meter walking time, standing time, ADL, and IADL.

Main Methods:

  • Analysis of 169 patients from the STRIDE trial with various hip fractures and repair methods.
  • Measurement of LLD on follow-up radiographs.
  • Assessment of functional outcomes including 3-meter walking time, ADL, and IADL at 1 year post-surgery.

Main Results:

  • LLD was observed in 48% of patients, with 15% having >10 mm discrepancy.
  • LLD did not significantly impact ADL, IADL, sit-to-stand time, grip strength, or return to ambulation.
  • A statistically significant negative impact of LLD was found on 3-meter walking time (P = .006).

Conclusions:

  • LLD following hip fracture repair is associated with reduced gait speed (3-meter walking time).
  • LLD did not significantly affect most functional recovery parameters.
  • Restoring leg length after hip fracture repair may be beneficial for gait improvement.