ArticleGlobal spine journal2022
Variations of Sagittal Alignment in Standing Versus Sitting Positions Under the Roussouly Classification in Asymptomatic Subjects.
Article in Global spine journal, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Normatıve sagıttal spınopelvıc profıles: A systematıc revıew of the Roussouly classıfıcatıon across dıfferent ethnıc groups ın asymptomatıc adults.Spine deformity · 2026Review
- Article
- Assessment of lumbosacral spinal curvatures before and after surgery using 3D posturography.Scientific reports · 2025Article
- Change of Sacral Slope according to the Surgical Position in Total Hip Arthroplasty.Hip & pelvis · 2024Article
- Sagittal balance in sitting and standing positions: A systematic review of radiographic measures.Heliyon · 2024Review
- Distance between the C2 vertical line and the femoral heads: a quasi-invariant global sagittal alignment parameter in both standing and sitting positions for asymptomatic adults.Quantitative imaging in medicine and surgery · 2023Article
- Clinical Application of the Roussouly Classification in the Sagittal Balance Reconstruction of 101 Adolescent Idiopathic Scoliosis Patients.Orthopaedic surgery · 2023Article
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Authors and funding
6 authors.
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No grant is acknowledged in the PubMed record.
Abstract
STUDY
designProspective radiological analysis.
objectiveTo investigate the characteristics of the sagittal spinopelvic alignment in the standing and sitting positions under the Roussouly classification in a healthy population.
methodsThis study using standing and sitting lateral radiographs included 143 volunteers whose spinopelvic parameters were measured. The parameters were compared in the standing and sitting positions. The lumbo-pelvic profile was identified according to the Roussouly classification. The differences in the values of the parameters between the standing and sitting positions were analyzed. The different frequencies of the unchanged apex were assessed.
resultsAll parameter values except the thoracolumbar angle (TLK) were significantly altered. With regard to the classification of the lumbopelvic profile, 15 (10.5%) subjects were excluded because they were evaluated as not belonging to any of the Roussouly types. The remaining 128 subjects were evaluated and classified as follows: 19 (14.8%), type 1; 53 (41.4%), type 2; 9 (7.0%), type 3 + anteverted pelvis (AP); 33 (25.8%), type 3; and 14 (10.9%), type 4. The differences in the pelvic tilt (PT), sacral slope (SS), and thoracic pelvic angle (TPA) values were significantly lower in types 1 and 2 than in other Roussouly types. Corresponding variations in the apical vertebra for the sagittal lumbar curves in the sitting position were observed.
conclusionsSubjects with Roussouly type 1 and type 2 sagittal alignments were found to be less capable of performing changes in alignment when changing to the sitting position. The characteristics of the apical movement were also different.
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