ArticleScientific reports2021
Evaluation of the reliability of lower extremity alignment measurements using EOS imaging system while standing in an even weight-bearing posture.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 1 of them a synthesis that pooled it.
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Who cites it
11 citing papers in PubMed, 1 synthesis or guideline pooled it, 19 citations in OpenAlex.
- High variability exists in 3D leg alignment analysis, but underlying principles that might lead to agreement on a universal framework could be identified: A systematic review.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2025Pooled it
- Comparison of coronal and sagittal pelvic-lower limb alignment after open wedge distal tibial tuberosity osteotomy and total knee arthroplasty using the EOS imaging system.Asia-Pacific journal of sports medicine, arthroscopy, rehabilitation and technology · 2026Article
- Radiographic reliability of anatomical knee landmarks for joint line determination in healthy adults.BMC musculoskeletal disorders · 2025Article
- Radiological Approach to Assessment of Lower-Limb Alignment-Coronal and Transverse Plane Analysis.Journal of clinical medicine · 2024Review
- Measurement of tibial slope using biplanar stereoradiography (EOS®).Skeletal radiology · 2024Article
- Automatic measurement of lower limb alignment in portable devices based on deep learning for knee osteoarthritis.Journal of orthopaedic surgery and research · 2024Article
- Coronal and sagittal alignment of ankle joint is significantly affected by high tibial osteotomy.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2023Article
- Changes in Parameters after High Tibial Osteotomy: Comparison of EOS System and Computed Tomographic Analysis.Journal of clinical medicine · 2023Article
- The Reliability of Measurements for Tibial Torsion: A Comparison of CT, MRI, Biplanar Radiography, and 3D Reconstructions With and Without Standardized Measurement Training.Journal of the Pediatric Orthopaedic Society of North America · 2023Article
- Analysis of lower extremity alignment (LEA) in children with recurrent patellar dislocation by EOS system.Frontiers in pediatrics · 2023Article
- Evaluation of the relationship between the bone alignment of the lower extremity and the importance of Q angle in male athletes.Science progressArticle
Corrections and comments
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This study aimed to analyze the reproducibility and reliability of the alignment parameters measured using the EOS image system in both limbs while standing with an even weight-bearing posture. Overall, 104 lower extremities in 52 patients were analyzed retrospectively. The patients stood with an even load over both lower extremities then rotated 15° in both directions. Two EOS images were acquired and 104 pairs of lower extremities were compared according to the position of the indexed lower extremities. Then, the inter-observer reliability of the EOS system and the inter-modality reliability between EOS and computed tomography (CT) were evaluated. Femoro-tibial rotation (FTR) and tibial torsion demonstrated a significant difference between the anterior and posterior positions of the indexed lower extremity. In the inter-observer reliability analysis, all values except for FTR and tibial torsion demonstrated good or very good reliability. In the anterior position, FTR demonstrated moderate, and tibial torsion demonstrated poor reliability. In the posterior position, both FTR and tibial torsion demonstrated poor reliability. In the reliability analysis between the three-dimensional (3D) EOS model and 3D CT images, all measurements of the femur demonstrated very good reliability, but measurements of the tibia did not. For the coronal and sagittal alignment parameters measured by the EOS 3D system with rotated standing posture, except for the measurement including tibial torsion., there were no significant difference for either position of the indexed extremities with high agreement between the observers as well as with the CT 3D model.
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Registered trials
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