The relationship between lumbar lordosis and pelvic tilt angle

Kroll, Penny G.; Arnofsky, Shara; Leeds, Stacey; Peckham, Douglas; Rabinowitz, Amanda R.

doi:10.3233/bmr-2000-141-205

Cited by 6 publications

(4 citation statements)

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“…Walker et al 17 investigated this relationship across 31 subjects but they found only a very weak correlation (r=0.32). Similar results were obtained by Kroll et al 12 , who studied 54 subjects and found a correlation of r=0.33.…”

Section: Discussionsupporting

confidence: 90%

“…Following this aim, the ASIS-PSIS angle was measured in 30 cadaver specimens fi xed in an anatomical reference position. Th e results of this investigation showed a range in the ASIS-PSIS angle of 23 degrees across the 30 pelves, values similar to those reported with in vivo studies 1,12,13 . For example, Kroll et al 12 reported between 3-22 degrees of tilt in 54 normal subjects and Levine and Whittle 1 a mean of 11.3 degrees and SD of 4.3 degrees across 20 female subjects.…”

Section: Discussionsupporting

confidence: 88%

“…Th e results of this investigation showed a range in the ASIS-PSIS angle of 23 degrees across the 30 pelves, values similar to those reported with in vivo studies 1,12,13 . For example, Kroll et al 12 reported between 3-22 degrees of tilt in 54 normal subjects and Levine and Whittle 1 a mean of 11.3 degrees and SD of 4.3 degrees across 20 female subjects. Similarly, Gilliam et al 13 obtained a range of between 4-21 degrees in a cohort of 15 low back pain patients.…”

Section: Discussionsupporting

confidence: 88%

“…Th e similar fi ndings to those reported in in vivo studies 1,12,13 suggest sig-nifi cant potential for morphological variation across pelves that could potentially infl uence the standard clinical measurement of pelvic tilt. It is possible that diff erences of up to 23 degrees in the ASIS-PSIS angle could refl ect diff erences in morphology rather than diff erences in muscular and ligamentous forces acting between the pelvis and adjacent segments.…”

Section: Discussionsupporting

confidence: 79%

See 3 more Smart Citations

Variation in Pelvic Morphology May Prevent the Identification of Anterior Pelvic Tilt

Preece

Willan²,

Nester³

et al. 2008

Journal of Manual & Manipulative Therapy

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Section: Discussionsupporting

confidence: 90%

Section: Discussionsupporting

confidence: 88%

Section: Discussionsupporting

confidence: 88%

Section: Discussionsupporting

confidence: 79%

See 2 more Smart Citations

Variation in Pelvic Morphology May Prevent the Identification of Anterior Pelvic Tilt

Preece

Willan²,

Nester³

et al. 2008

Journal of Manual & Manipulative Therapy

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Bestimmung einer Beckenasymmetrie – Sinn oder Unsinn

Reichert¹

2020

Manuelle Medizin

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ZusammenfassungPathologien des tiefen Rückens, der Becken- sowie Knie- und Hüftgelenke werden immer wieder mit einer Messung der Beinlänge und Feststellung einer Beckenasymmetrie in Verbindung gebracht. Aufgrund dieser Messungen werden therapeutische Wege eingeschlagen. Zu diesem Thema wurden auf der Basis einer systematischen Literatursuche in zwei maßgeblichen Datenbanken 28 Artikel ermittelt. Die inhaltliche Analyse beschäftigt sich v. a. mit der Variationsanatomie des Beckens sowie der Reliabilität palpatorischer und apparativer Bestimmungen von knöchernen Referenzpunkten am Becken. Hieraus ergeben sich maßgebliche Erkenntnisse: Eine Variationsanatomie des Beckens ist häufig und kommt auch bei nichtsymptomatischen Personen vor. Die palpatorische und apparative Bestimmungen der knöchernen Referenzpunkte sind gering bis moderat reliabel. Der Rückschluss von einer festgestellten Beckenasymmetrie auf den Einfluss bestehender oder noch zu erwartender Rücken‑, Hüft- oder Beckengelenkbeschwerden ist nach derzeitiger Studienlage zumindest umstritten und daher nicht empfehlenswert.

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Concurrent validity and within-session reliability of gait kinematics measured using an inertial motion capture system with repeated calibration

Berner

Cockcroft

Morris

et al. 2020

Journal of Bodywork and Movement Therapies

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Introduction: Wearable inertial measurement units (IMUs) enable gait analysis in the clinic, but require calibrations that may affect subsequent gait measurements. This study assessed concurrent validity and within-session reliability of gait kinematics measured by a frequently calibrated IMU-based system. Calibration pose accuracy and intra-rater repeatability, and IMU orientation tracking accuracy, were additionally quantified. Methods: Calibration poses and gait were recorded in 15 women using IMUs and optical motion capture (OMC) (reference standard) simultaneously. Participants performed six consecutive trials: each comprising a calibration pose and a walk. IMU tracking was assessed separately (once-off) using technical static and dynamic tests. Differences of > 5 constituted clinical significance. Results: Concurrent validity for gait revealed clinically significant between-system differences for sagittal angles (root-mean-square error [RMSE] 6.7 e15.0 ; bias À9.3 e3.0) and hip rotation (RMSE 7.9 ; bias À4.2). After removing modelling offsets, differences for all angles (except hip rotation) were < 5. Gait curves correlated highly between systems (r > 0.8), except hip rotation, pelvic tilt and-obliquity. Within-session reliability of IMU-measured gait angles was clinically acceptable (standard error of measurement [SEM] < 5). Calibration poses were repeatable (SEM 0.3 e2.2). Pose accuracy revealed mean absolute differences (MAD) < 5 for all angles except sagittal ankle, hip and pelvis. IMU tracking accuracy demonstrated RMSE 2.0. Conclusion: A frequently calibrated IMU system provides reliable gait measurements; comparing highly to OMC after removing modelling differences. Calibration poses can be implemented accurately for most angles and consistently. IMU-measured gait data are clinically useful and comparable within participants, but should not be compared to OMC-measured data.

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The relationship between lumbar lordosis and pelvic tilt angle

Cited by 6 publications

References 0 publications

Variation in Pelvic Morphology May Prevent the Identification of Anterior Pelvic Tilt

Variation in Pelvic Morphology May Prevent the Identification of Anterior Pelvic Tilt

Bestimmung einer Beckenasymmetrie – Sinn oder Unsinn

Concurrent validity and within-session reliability of gait kinematics measured using an inertial motion capture system with repeated calibration

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