Search for other papers by Javier Pizones in
Google Scholar
PubMed
Search for other papers by Eduardo García-Rey in
Google Scholar
PubMed
assessed by the pelvic incidence (PI) angle, a concept that originated from Duval-Beaupère’s studies, 16 which can be measured in a sagittal standing radiograph. PI is defined as the angle created by the intersection of the line drawn from the centre
Hospital del Trabajador, Santiago, Chile
Search for other papers by Juan I. Cirillo Totera in
Google Scholar
PubMed
Hospital del Trabajador, Santiago, Chile
Search for other papers by José G. Fleiderman Valenzuela in
Google Scholar
PubMed
Search for other papers by Jorge A. Garrido Arancibia in
Google Scholar
PubMed
Hospital Roberto del Río, Santiago, Chile
Search for other papers by Samuel T. Pantoja Contreras in
Google Scholar
PubMed
Search for other papers by Lyonel Beaulieu Lalanne in
Google Scholar
PubMed
Search for other papers by Facundo L. Alvarez-Lemos in
Google Scholar
PubMed
”, “sagittal balance”, “sagittal imbalance”, “pelvic incidence” and “lumbar lordosis”. The inclusion criteria were articles, clinical guidelines, systematic reviews and randomized controlled trials (RCTs) published in indexed journals, with full
Search for other papers by Luigi Zagra in
Google Scholar
PubMed
Search for other papers by Francesco Benazzo in
Google Scholar
PubMed
Search for other papers by Dante Dallari in
Google Scholar
PubMed
Search for other papers by Francesco Falez in
Google Scholar
PubMed
Search for other papers by Giuseppe Solarino in
Google Scholar
PubMed
Search for other papers by Rocco D’Apolito in
Google Scholar
PubMed
Search for other papers by Claudio Carlo Castelli in
Google Scholar
PubMed
aspect of the femur ( 7 ). Spinopelvic parameters such as sacral slope (SS), pelvic tilt (PT), and pelvic incidence (PI) aid in classifying such positional changes ( Figs 1 and 2 ). Figure 1 Reduction of sacral slope (SS, blue lines) between the
Search for other papers by Emmanuelle Ferrero in
Google Scholar
PubMed
Search for other papers by Pierre Guigui in
Google Scholar
PubMed
, sagittal facets). More recently, the role of sagittal alignment was highlighted: DS patients had on average higher pelvic incidence than asymptomatic subjects. 38 Based on these findings, one explanation of the physiopathology of DS might be that high
Search for other papers by George Grammatopoulos in
Google Scholar
PubMed
Search for other papers by Moritz Innmann in
Google Scholar
PubMed
Search for other papers by Philippe Phan in
Google Scholar
PubMed
Search for other papers by Russell Bodner in
Google Scholar
PubMed
Search for other papers by Geert Meermans in
Google Scholar
PubMed
bicoxofemoral axis to the midpoint of the sacral plate and the vertical ( 47 ). Pelvic incidence (PI) Pelvic incidence is defined as the angle between a line perpendicular to the sacral plate at its midpoint and a line connecting the same point to the
Search for other papers by Charles Rivière in
Google Scholar
PubMed
Search for other papers by Stefan Lazic in
Google Scholar
PubMed
Search for other papers by Loïc Villet in
Google Scholar
PubMed
Search for other papers by Yann Wiart in
Google Scholar
PubMed
Search for other papers by Sarah Muirhead Allwood in
Google Scholar
PubMed
Search for other papers by Justin Cobb in
Google Scholar
PubMed
Comparison between a ‘hip’ and ‘spine’ user’s pelvic kinematics in standing (solid line) and sitting (dashed line). Note the differences in pelvic incidence (blue), sacral slope (green) and the sacro-femoral angle (orange). Fig. 4 Type 1 spine
South West London Elective Orthopaedic Centre, UK
Search for other papers by Charles Rivière in
Google Scholar
PubMed
Search for other papers by Stefan Lazic in
Google Scholar
PubMed
Search for other papers by Louis Dagneaux in
Google Scholar
PubMed
Search for other papers by Catherine Van Der Straeten in
Google Scholar
PubMed
Search for other papers by Justin Cobb in
Google Scholar
PubMed
Search for other papers by Sarah Muirhead-Allwood in
Google Scholar
PubMed
spino-pelvic parameters: sacral slope (SS), pelvic tilt (PT), pelvic incidence (PI), lumbar lordosis (LL) and the C7 plumb line (C7pl) ( Fig. 1 ). 4 , 5 SS, PT and LL are ‘functional parameters’, as their value varies with body position; PI is a
Search for other papers by Alessandro Colombi in
Google Scholar
PubMed
Search for other papers by Daniele Schena in
Google Scholar
PubMed
Search for other papers by Claudio Carlo Castelli in
Google Scholar
PubMed
lumbo-pelvic complex and the hip joint. The main spino-pelvic parameters important to know are: sacral slope, pelvic tilt and pelvic incidence. Pelvic incidence is a morphological parameter (constant for an individual), sacral slope and pelvic tilt are
Search for other papers by Charles Court in
Google Scholar
PubMed
Search for other papers by Leonard Chatelain in
Google Scholar
PubMed
Search for other papers by Barthelemy Valteau in
Google Scholar
PubMed
Search for other papers by Charlie Bouthors in
Google Scholar
PubMed
type 2. Conversely, an extension of the spine will lead to type 3. The SPD can change the shape of the sacrum and acetabulum, thereby altering the position of the acetabula within the pelvis and changing the pelvic incidence (cf. Fig. 3 ). Pelvic
Search for other papers by Kashif Ansari in
Google Scholar
PubMed
Search for other papers by Manjot Singh in
Google Scholar
PubMed
SUNY Downstate Medical School, New York City, New York, USA
Search for other papers by Jake R McDermott in
Google Scholar
PubMed
Search for other papers by Jerzy A Gregorczyk in
Google Scholar
PubMed
Department of Orthopaedic Surgery, Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA
Search for other papers by Mariah Balmaceno-Criss in
Google Scholar
PubMed
Search for other papers by Mohammad Daher in
Google Scholar
PubMed
Search for other papers by Christopher L McDonald in
Google Scholar
PubMed
Search for other papers by Bassel G Diebo in
Google Scholar
PubMed
Search for other papers by Alan H Daniels in
Google Scholar
PubMed
changes in key sagittal parameters, including sagittal vertical axis, lumbar lordosis, pelvic incidence, pelvic tilt, and sacral slope. Table 1 Severity and treatment recommendations for AIS based on Cobb angle. Cobb angle magnitude
