Functional analysis of postural spinal and pelvic parameters using static and dynamic spinometry

Background: Spinometry is a radiation-free method to three-dimensional spine imaging that provides additional information about the functional gait patterns related to the pelvis and lower extremities. This radiation-free technology uses the surface topography of the trunk to analyze surface asymmet...

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Main Authors: Tobias Bode, Schima Zoroofchi, Eik Vettorazzi, Jan-Niklas Droste, Götz H. Welsch, René Schwesig, Robert Percy Marshall
Format: Article
Language:English
Published: Elsevier 2024-04-01
Series:Heliyon
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2405844024052708
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author Tobias Bode
Schima Zoroofchi
Eik Vettorazzi
Jan-Niklas Droste
Götz H. Welsch
René Schwesig
Robert Percy Marshall
author_facet Tobias Bode
Schima Zoroofchi
Eik Vettorazzi
Jan-Niklas Droste
Götz H. Welsch
René Schwesig
Robert Percy Marshall
author_sort Tobias Bode
collection DOAJ
description Background: Spinometry is a radiation-free method to three-dimensional spine imaging that provides additional information about the functional gait patterns related to the pelvis and lower extremities. This radiation-free technology uses the surface topography of the trunk to analyze surface asymmetry and identify bony landmarks, thereby aiding the assessment of spinal deformity and supporting long-term treatment regimes. Especially reliable dynamic spinometric data for spine and pelvis are necessary to evaluate the management of non-specific back pain. Research aim: This study aims to generate reliable dynamic spinometric data for spine and pelvis parameters that can serve as reference data for future studies and clinical practice. Methods: This study assessed 366 subjects (185 females) under static and 360 subjects (181 females) under dynamic (walking on a treadmill at 3 km/h and 5 km/h) conditions. The DIERS Formetric 4Dmotion® system uses stripes of light to detect the surface topography of the spine and pelvis and identifies specific landmarks to analyze the spine during standing and walking. Results: Relevant gender effects were calculated for lordotic angle (ηp2 = 0.22) and pelvic inclination (ηp2 = 0.26). Under static conditions, female subjects showed larger values for both parameters (lordotic angle: 41.6 ± 8.60°; pelvic inclination: 25.5 ± 7.49°). Regarding speed effects, three relevant changes were observed (sagittal imbalance: ηp2 = 0.74, kyphotic angle: ηp2 = 0.13, apical deviation: ηp2 = 0.11). The most considerable changes were observed between static condition and 3 km/h, especially for sagittal imbalance and lordotic angle. For these parameters, relevant effect sizes (d > 0.8) were calculated between static and 3 km/h for males and females. Concerning clinical vertebral parameters, only lordotic angle and pelvic inclination were correlated with each other (r = 0.722). Conclusion: This study generated a gender-specific reference database of asymptomatic individuals for static and dynamic spinometry. It demonstrated that the DIERS Formetric 4Dmotion® system could capture natural changes in static and dynamic situations and catalogue functional adaptations of spino-pelvic statics at different speeds. The lordotic angle is an indirect marker of pelvic inclination, allowing spinometry to identify individuals at risk even under dynamic conditions.
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spelling doaj.art-258b0de28fc845cbba6492654b860c092024-04-11T04:41:38ZengElsevierHeliyon2405-84402024-04-01107e29239Functional analysis of postural spinal and pelvic parameters using static and dynamic spinometryTobias Bode0Schima Zoroofchi1Eik Vettorazzi2Jan-Niklas Droste3Götz H. Welsch4René Schwesig5Robert Percy Marshall6Athleticum, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Germany; Corresponding author.Athleticum, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, GermanyInstitute of Medical Biometry and Epidemiology, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, GermanyRasenBallsport Leipzig GmbH, Cottaweg 3, 04177, Leipzig, Germany; BG Klinikum Hamburg-Boberg, Bergedorfer Str. 10, 21033, Hamburg, GermanyAthleticum, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, Germany; Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246, Hamburg, GermanyDepartment of Orthopedic and Trauma Surgery, Martin-Luther-University Halle-Wittenberg, 06120 Halle (Saale), GermanyRasenBallsport Leipzig GmbH, Cottaweg 3, 04177, Leipzig, Germany; Department of Orthopedic and Trauma Surgery, Martin-Luther-University Halle-Wittenberg, 06120 Halle (Saale), GermanyBackground: Spinometry is a radiation-free method to three-dimensional spine imaging that provides additional information about the functional gait patterns related to the pelvis and lower extremities. This radiation-free technology uses the surface topography of the trunk to analyze surface asymmetry and identify bony landmarks, thereby aiding the assessment of spinal deformity and supporting long-term treatment regimes. Especially reliable dynamic spinometric data for spine and pelvis are necessary to evaluate the management of non-specific back pain. Research aim: This study aims to generate reliable dynamic spinometric data for spine and pelvis parameters that can serve as reference data for future studies and clinical practice. Methods: This study assessed 366 subjects (185 females) under static and 360 subjects (181 females) under dynamic (walking on a treadmill at 3 km/h and 5 km/h) conditions. The DIERS Formetric 4Dmotion® system uses stripes of light to detect the surface topography of the spine and pelvis and identifies specific landmarks to analyze the spine during standing and walking. Results: Relevant gender effects were calculated for lordotic angle (ηp2 = 0.22) and pelvic inclination (ηp2 = 0.26). Under static conditions, female subjects showed larger values for both parameters (lordotic angle: 41.6 ± 8.60°; pelvic inclination: 25.5 ± 7.49°). Regarding speed effects, three relevant changes were observed (sagittal imbalance: ηp2 = 0.74, kyphotic angle: ηp2 = 0.13, apical deviation: ηp2 = 0.11). The most considerable changes were observed between static condition and 3 km/h, especially for sagittal imbalance and lordotic angle. For these parameters, relevant effect sizes (d > 0.8) were calculated between static and 3 km/h for males and females. Concerning clinical vertebral parameters, only lordotic angle and pelvic inclination were correlated with each other (r = 0.722). Conclusion: This study generated a gender-specific reference database of asymptomatic individuals for static and dynamic spinometry. It demonstrated that the DIERS Formetric 4Dmotion® system could capture natural changes in static and dynamic situations and catalogue functional adaptations of spino-pelvic statics at different speeds. The lordotic angle is an indirect marker of pelvic inclination, allowing spinometry to identify individuals at risk even under dynamic conditions.http://www.sciencedirect.com/science/article/pii/S2405844024052708SpinometryPostureVideo rasterstereographySpino-pelvic dysfunctionBack painMotion analysis
spellingShingle Tobias Bode
Schima Zoroofchi
Eik Vettorazzi
Jan-Niklas Droste
Götz H. Welsch
René Schwesig
Robert Percy Marshall
Functional analysis of postural spinal and pelvic parameters using static and dynamic spinometry
Heliyon
Spinometry
Posture
Video rasterstereography
Spino-pelvic dysfunction
Back pain
Motion analysis
title Functional analysis of postural spinal and pelvic parameters using static and dynamic spinometry
title_full Functional analysis of postural spinal and pelvic parameters using static and dynamic spinometry
title_fullStr Functional analysis of postural spinal and pelvic parameters using static and dynamic spinometry
title_full_unstemmed Functional analysis of postural spinal and pelvic parameters using static and dynamic spinometry
title_short Functional analysis of postural spinal and pelvic parameters using static and dynamic spinometry
title_sort functional analysis of postural spinal and pelvic parameters using static and dynamic spinometry
topic Spinometry
Posture
Video rasterstereography
Spino-pelvic dysfunction
Back pain
Motion analysis
url http://www.sciencedirect.com/science/article/pii/S2405844024052708
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