Movements in the Sacroiliac Joints Demonstrated with Roentgen Stereophotogrammetry

Egund, Niels; Olsson, Tord; Schmid, Heike; Selvik, Göran

doi:10.1177/028418517801900513

Cited by 126 publications

(64 citation statements)

References 5 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…matics of the joint, but only a few have been able to accurately measure the joint's in vivo motion. 4,13,[17][18][19]25 In all of those studies, rotation mainly occurred around the SI joint surface (the x axis), and translation was minute. Sturesson and colleagues measured SI joint motion with various positions, using RSA.…”

Section: Helical Axis and Motion Around The Axismentioning

confidence: 99%

See 1 more Smart Citation

Sacroiliac joint motion in patients with degenerative lumbar spine disorders

Nagamoto

Iwasaki

Sakaura

et al. 2015

SPI

View full text Add to dashboard Cite

OBJECT Usually additional anchors into the ilium are necessary in long fusion to the sacrum for degenerative lumbar spine disorders (DLSDs), especially for adult spine deformity. Although the use of anchors is becoming quite common, surgeons must always keep in mind that the sacroiliac (SI) joint is mobile and they should be aware of the kinematic properties of the SI joint in patients with DLSDs, including adult spinal deformity. No previous study has clarified in vivo kinematic changes in the SI joint with respect to patient age, sex, or parturition status or the presence of DLSDs. The authors conducted a study to clarify the mobility and kinematic characteristics of the SI joint in patients with DLSDs in comparison with healthy volunteers by using in vivo 3D motion analysis with voxel-based registration, a highly accurate, noninvasive method. METHODS Thirteen healthy volunteers (the control group) and 20 patients with DLSDs (the DLSD group) underwent low-dose 3D CT of the lumbar spine and pelvis in 3 positions (neutral, maximal trunk flexion, and maximal trunk extension). SI joint motion was calculated by computer processing of the CT images (voxel-based registration). 3D motion of the SI joint was expressed as both 6 df by Euler angles and translations on the coordinate system and a helical axis of rotation. The correlation between joint motion and the cross-sectional area of the trunk muscles was also investigated. RESULTS SI joint motion during trunk flexion-extension was minute in healthy volunteers. The mean rotation angles during trunk flexion were 0.07° around the x axis, −0.02° around the y axis, and 0.16° around the z axis. The mean rotation angles during trunk extension were 0.38° around the x axis, −0.08° around the y axis, and 0.08° around the z axis. During trunk flexion-extension, the largest amount of motion occurred around the x axis. In patients with DLSDs, the mean rotation angles during trunk flexion were 0.57° around the x axis, 0.01° around the y axis, and 0.19° around the z axis. The mean rotation angles during trunk extension were 0.68° around the x axis, −0.11° around the y axis, and 0.05° around the z axis. Joint motion in patients with DLSDs was significantly greater, with greater individual difference, than in healthy volunteers. Among patients with DLSDs, women had significantly more motion than men did during trunk extension. SI joint motion was significantly negatively correlated with the cross-sectional area of the trunk muscles during both flexion and extension of the trunk. CONCLUSIONS The authors elucidated the mobility and kinematic characteristics of the SI joint in patients with DLSDs compared with healthy volunteers for the first time. This information is useful for spine surgeons because of the recent increase in spinopelvic fusion for the treatment of DLSDs.

show abstract

Section: Helical Axis and Motion Around The Axismentioning

confidence: 99%

“…4,13,[17][18][19]25 Among them, roentgen stereophotogrammetric analysis (RSA) has been viewed as the gold standard for evaluating 3D micromotion in joints. With RSA, a maximum rotation of 3.9° around a single axis has been measured, and the translation along that axis does not exceed 2 mm in the SI joint.…”

mentioning

confidence: 99%

Sacroiliac joint motion in patients with degenerative lumbar spine disorders

Nagamoto

Iwasaki

Sakaura

et al. 2015

SPI

View full text Add to dashboard Cite

show abstract

“…To investigate the changes, a minimally invasive SI joint fusion procedure was simulated in a threedimensional, experimentally validated lumbar spinepelvis finite element model; finite element modelling is a good tool to estimate the limited range of motion (ROM) observed in the SI joint (~2°). 21,22 The angular motions of the SI joint and lumbar motion segments were computed and compared between the intact and treated conditions. The potential for ASD was assessed by comparing the changes in motion of the lumbar spine with previous lumbar arthrodesis studies of ASD.…”

mentioning

confidence: 99%

Sacroiliac Joint Fusion Minimally Affects Adjacent Lumbar Segment Motion: A Finite Element Study

et al. 2015

View full text Add to dashboard Cite

Background Adjacent segment disease is a recognized consequence of fusion in the spinal column. Fusion of the sacroiliac joint is an effective method of pain reduction. Although effective, the consequences of sacroiliac joint fusion and the potential for adjacent segment disease for the adjacent lumbar spinal levels is unknown. The objective of this study was to quantify the change in range of motion of the sacroiliac joint and the adjacent lumbar spinal motion segments due to sacroiliac joint fusion and compare these changes to previous literature to assess the potential for adjacent segment disease in the lumbar spine.

show abstract

“…It is assumed that changes of the pelvis can possibly lead to alterations of the spinal posture, in particular of the lumbar lordosis (46,47). This is explained by the fact that the pelvic position is highly correlated with the lumbar position (47).…”

mentioning

confidence: 99%

Influence of foot positions on the spine and pelvis

Betsch

Schneppendahl

Dor

et al. 2011

Arthritis Care & Research

View full text Add to dashboard Cite

Objective. The management of knee osteoarthritis includes the use of wedged shoe insoles to unload the affected knee compartment. Although the biomechanical effects of shoe insoles on the knee joint are known and described, only little is known about their influence on the pelvis and spine. Therefore, the purpose of this study was to evaluate the effects of different foot positions, such as how they could be achieved by shoe insoles, on pelvic position and spinal posture. Methods. A total of 51 test subjects were measured for this study. The different foot positions (inner and outer margin increase, positive and negative heel height) were simulated with a specially designed stand platform. A rasterstereographic device was used to measure the immediate effects of the simulated foot positions on the pelvic position and spinal posture. Results. Positive and negative heel heights as well as an increase of the outer margin of the platform led to significant changes of the pelvic tilt. The pelvic torsion also changed significantly during positive heel height changes of 10 and 15 mm and increases of the outer margin of the foot. No significant changes were found between foot position and spinal parameters. Conclusion. The results of our study support the existence of a kinematic chain, where changes of foot position also led to significant alterations of the pelvic position. Whether these changes could lead to long-term pathologic alterations still needs to be evaluated. However, in our setting, no correlation between foot position and spinal posture changes was found.

show abstract

Movements in the Sacroiliac Joints Demonstrated with Roentgen Stereophotogrammetry

Cited by 126 publications

References 5 publications

Sacroiliac joint motion in patients with degenerative lumbar spine disorders

Sacroiliac joint motion in patients with degenerative lumbar spine disorders

Sacroiliac Joint Fusion Minimally Affects Adjacent Lumbar Segment Motion: A Finite Element Study

Influence of foot positions on the spine and pelvis

Contact Info

Product

Resources

About