Pelvic Incidence Changes Between Flexion and Extension

Schroeder, Nicholas; Noschenko, Andriy; Burger, Evalina L.; Patel, Vikas V.; Cain, Christopher M.; Ou-Yang, David; Kleck, Christopher

doi:10.1016/j.jspd.2018.03.008

Cited by 18 publications

(14 citation statements)

References 29 publications

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“…Three articles compared PI change between pre- and post-operative patient data, and seven studies assessed PI change with different postures (Table 2). 7,28–36 In a study of PI change using adult patients with spine deformity, there was 9.4° PI change between pre-operative and last follow up data. In this study, patients who did not have sacropelvic fixation showed 11.4° of PI change between pre- and post-operative data.…”

Section: Resultsmentioning

confidence: 99%

“…In general, PI increases during childhood and adolescence, but stabilizes in adulthood. 7 However, recently, some of the studies have reported higher PI changes than other PI change studies and biomechanical studies. Therefore, this study reviewed SIJ movement in the sagittal plane (x axis; nutation and counternutation) and PI change to compare spinopelvic parameters and the results of mechanical tests.…”

Section: Discussionmentioning

confidence: 97%

“…However, three studies of patients without lumbopelvic problems showed less than 3° of PI change, similar to SIJ movement studies. 7,29,33…”

Section: Discussionmentioning

confidence: 99%

“…Of those parameters, pelvic incidence (PI) is a standard measurement in adult spine patients; it is used to understand global spinopelvic alignment with lumbar lordosis, sacral slope (SS), and pelvic tilt (PT). 6,7…”

Section: Introductionmentioning

confidence: 99%

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Movement of the sacroiliac joint: Anatomy, systematic review, and biomechanical considerations

Cho

Kwak

2020

Proc Inst Mech Eng H

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Several researchers investigated the anatomy and biomechanics of the sacroiliac joint (SIJ) to understand the relationship between lower back pain and the SIJ. Many studies concluded that the SIJ has little movement; however, some studies using spinopelvic parameters mentioned high change in pelvic incidence (PI). In this study, SIJ movement and PI change reported in previous studies were reviewed according to position and posture changes. Literature on SIJ movement was reviewed by searching through the publication databases. In biomechanical studies, the result of the rotational angle in the sagittal plane was mainly investigated to compare with the results of PI change. From the results of SIJ movement studies, the minimum movement of nutation and count-nutation was 0.01°, and maximum movement was 2.27°. From the results of PI change studies with different positions and movements, the highest change was 9°, and the lowest change was 0°. Movement of the SIJ was limited by its anatomical structure; maximum movement of the SIJ was 9° in a previous study. Therefore, SIJ movement should be studied more intensely as biomechanical perspective to understand its movement.

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Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 97%

“…However, three studies of patients without lumbopelvic problems showed less than 3° of PI change, similar to SIJ movement studies. 7,29,33…”

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Movement of the sacroiliac joint: Anatomy, systematic review, and biomechanical considerations

Cho

Kwak

2020

Proc Inst Mech Eng H

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“…The alteration in the lumbopelvic parameters determine whether the forces act more on the discs and vertebral bodies (anteriorly) or on the facet joints and ligaments (posteriorly). [13][14][15] Obesity is becoming a public health problem worldwide especially in industrialized countries of the west. Other parts of the world where western diets and sedentary lifestyles are becoming more prevalent have begun to experience an upsurge in patients who are overweight or obese.…”

Section: Introductionmentioning

confidence: 99%

The Effects of Patients BMI on Lumbo Pelvic Parameters in Patients with Chronic Low Back Pain in Jos North Central Nigeria

Ode¹,

Tony²,

Olu³

et al. 2021

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Introduction. The pelvic posture is defined by measurable radiologic parameters which are related to the lumbar and sacral spine. These parameters include, pelvic tilt (PT), lumbar Lordosis (LL), Sacral slope (SS), Pelvic incidence (PI) and the Lumbosacral angle (LSA) The lumbopelvic parameters in the lower back have been noticed to be altered in patients presenting with low back pain. Increased BMI has been found to be a contributing factor in the onset and course of low back pain. Increased weight especially around the trunk affects the dynamics of posturing to maintain sagittal balance. We set out to determine the extent BMI influenced the lumbopelvic parameters in patients presenting with chronic nonspecific low back pain. Methods. This was a prospective cross sectional study. There were three BMI groups; normal weight (BMI19-24.9), overweight (BMI 25-29.9) and obese (BMI>30). All subjects had standing lateral radiographs of the spine. The pelvic parameters; PI, LL PT, SS and LSA, were measured. The mean values and standard deviations of the parameters in each group was determined. Analysis of variance was used to determine differences in means The relationships between all parameters were assessed using Spearman's coefficients and statistically significant correlation coefficients were determined. The level of significance was set at P<0.05Results. A hundred and forty patients participated in the study. Their ages ranged from 18 to 65years.

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Sacroiliac pain after total hip arthroplasty: a combined analysis of clinical data and three-dimensional imaging in standing and sitting positions

Lazennec,

Pour

2024

International Orthopaedics (SICOT)

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Pelvic Incidence Changes Between Flexion and Extension

Cited by 18 publications

References 29 publications

Movement of the sacroiliac joint: Anatomy, systematic review, and biomechanical considerations

Movement of the sacroiliac joint: Anatomy, systematic review, and biomechanical considerations

The Effects of Patients BMI on Lumbo Pelvic Parameters in Patients with Chronic Low Back Pain in Jos North Central Nigeria

Sacroiliac pain after total hip arthroplasty: a combined analysis of clinical data and three-dimensional imaging in standing and sitting positions

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