Cited by 43Lower Extremity Biomechanics and PathologiesHip disorders and treatmentsGait Recognition and Analysis

Quantification of Pelvic Soft Tissue Artifact in Multiple Static Positions

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Hara, Reiko, Sangeux, Morgan, Baker, Richard, McGinley, Jennifer·2014·Gait & Posture

Abstract

Soft tissue artifact (STA) has been identified as the most critical source of error in clinical gait analysis. Multiple calibration is a technique to reduce the impact of STA on kinematic data, which involves several static calibrations through the range of motion of the joint of interest. This study investigated how skin markers at the pelvis were displaced in relation to anatomical body landmarks in multiple static calibration positions. The magnitude and direction of the pelvic marker displacement was assessed in nine different body positions including 90° and 45° hip flexion, maximum hip extension, and pelvic tilt in 20 healthy young adults. ASIS markers were found to be more susceptible to relative displacement than PSIS markers, with displacement particularly evident in positions where the hip was flexed (up to 17 mm). A strong correlation was found between the hip flexion angle and marker displacement (r(2) = 0.70). While the estimated impact of pelvic STA on gait kinematics was relatively small, the findings suggest that activities with large hip flexion would cause larger STA with a greater impact on pelvic kinematics. The skin surface located over the ASIS differed by a mean of 17 mm between standing and supine positions, which could affect the inter-ASIS distance and the location of hip joint center (HJC) by up to 20mm and 10mm, respectively.

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Crossref · 10.1016/j.gaitpost.2013.10.001

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  • The predictable widening of error thresholds at P2-particularly for hip flexion-likely reflects increased tissue tension and potential displacement of skin-mounted markers at maximal joint range.

    “the predictable widening of error thresholds observed at P2—particularly for hip flexion—likely reflects increased tissue tension and potential displacement of skin-mounted markers at maximal joint range [49,50].”

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Authors
Hara, R., Sangeux, M., Baker, R., & McGinley, J.
Affiliations
  • Royal Children's Hospital (AU)
  • University of Salford (GB)
  • The University of Melbourne (AU)
Venue
Gait & Posture
Publisher
Elsevier BV
Published
2014-02
Volume
39
Issue
2
Pages
712-717
ISSN
0966-6362 (ISSN-L)
OpenAlex
W1977921813
Cited by
43
References
18
Citations by year
2026: 2 · 2025: 2 · 2024: 3 · 2023: 1 · 2021: 2 · 2020: 6 · 2019: 2 · 2018: 2 · 2017: 5 · 2016: 8 · 2015: 7 · 2014: 2 · 2013: 1
FWCI
3.30
Type
journal article
Language
en
Open access
Locations
  • Gait & Posture (publishedVersion)
  • PubMed (publishedVersion)
  • University of Salford Institutional Repository (University of Salford) (submittedVersion, cc-by)
Funders
  • Australian Federal Government
  • University of Melbourne (Faculty of Medicine, Dentistry and Health Sciences)
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Lower Extremity Biomechanics and Pathologies
  • Health Sciences › Medicine › Surgery › Hip disorders and treatments
  • Physical Sciences › Engineering › Biomedical Engineering › Gait Recognition and Analysis
Keywords
soft tissue artifacts, pelvic kinematics, hip flexion, hip joint center, supine position
MeSH terms
Adult, Biomechanical Phenomena, Calibration, Female, Gait, Hip Joint, Humans, Male, Models, Biological, Pelvic Bones, Pelvis, Posture, Reproducibility of Results, Range of Motion, Articular, Artifacts, Young Adult, Anatomic Landmarks, Healthy Volunteers

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