ArticleGlobal spine journal2024
Hip-Spine Relationship between Sagittal Balance of the Lumbo-Pelvi-Femoral Complex and Hip Extension Capacity: An EOS Evaluation in a Healthy Caucasian Population.
Article in Global spine journal, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT01909258 (Comparison and Reproducibility of Pelvic Area Extension Measurements for Four Types of Lumbopelvic Balance Using Three Different Methods), which is not on this map. Cited by 7 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Comparison and Reproducibility of Pelvic Area Extension Measurements for Four Types of Lumbopelvic Balance Using Three Different Methods: Clinical Observation Versus Photography Versus the EOS Imaging System
Who cites it
7 citing papers in PubMed, 10 citations in OpenAlex.
- Exploring the Influence Factors of Pelvic Tilt Restoration After Surgical Treatment of Lumbar Degenerative Diseases: Value of Preoperative Standing-Sitting Radiograph.Global spine journal · 2026Article
- High pelvic incidence is associated with inferior one-year outcomes after hip arthroscopy for femoroacetabular impingement: a multicentre study with spinopelvic analysis.International orthopaedics · 2026Article
- Excellent 12-month outcomes after hip arthroscopy for femoroacetabular impingement: role of spinopelvic alignment and hip morphology-a multicenter study.Journal of orthopaedic surgery and research · 2026Article
- Biomechanical compensatory chain and residual compensation potential in aging spinal deformity: a narrative review and multimodal assessment framework.Frontiers in medicine · 2026Review
- Comparison of 1-Year Clinical and Radiographic Outcomes Between 2 Expandable Cage Designs in Navigation-Assisted Minimally Invasive Transforaminal Lumbar Interbody Fusion.International journal of spine surgery · 2025Article
- Biomechanical changes in females with poly cystic ovarian syndrome: a case-control study.Scientific reports · 2025Observational
- Expandable cages that expand both height and lordosis provide improved immediate effect on sagittal alignment and short-term clinical outcomes following minimally invasive transforaminal lumbar interbody fusion (MIS TLIF).Journal of spine surgery (Hong Kong) · 2024Article
Corrections and comments
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Authors and funding
7 authors at 5 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
STUDY
designA prospective study of healthy volunteers.
objectivesThe influence of the sagittal alignment of the spine and its influence on the extension reserve have been reported in the literature. However, specific analysis of the intrinsic coxofemoral and extrinsic pelvic component in subjects without any spinal or hip pathologies remains poorly reported. The aim of this study was to categorize the hip extension capacity, or extension reserve (ER), in relation to spinal sagittal alignment whilst standing, in a young healthy population. We hypothesized that the global extension reserve (GER) of the hip joint was influenced by the sagittal spinopelvic alignment.
methodsWe evaluated the ER of 120 healthy Caucasian volunteers (56 females (46.7%), 74 males (53.3%); mean age 25.6 years), using low dose radiographs from an EOS® X-ray imaging system in 2 functional positions; neutral standing position and in a forward lunge position. The GER is defined as the sum of the intrinsic (hip) extension reserve (IER) and the extrinsic (pelvic) extension reserve (EER). Cases were grouped into 4 sagittal alignment subtypes according to the Roussouly classification, and analyzed.
resultsGlobal extension reserve values were not significantly different between the 4 Roussouly subtypes (
conclusionAn inverse relationship was found between IER and EER among Roussouly subtypes. The range of motion of the pelvis and the hip joint was higher in patients with a greater sacral slope.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.