Evaluation of 3D vertebral and pelvic position by surface topography in asymptomatic females: presentation of normative reference data

Abstract Background Deviations from a conventional physiologic posture are often a cause of complaint. According to current literature, the upright physiological spine posture exhibits inclinations in the sagittal plane but not in the coronal and transverse planes, but individual vertebral body posi...

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Autores principales:	Claudia Wolf, Ulrich Betz, Janine Huthwelker, Jürgen Konradi, Ruben Sebastian Westphal, Meghan Cerpa, Lawrence Lenke, Philipp Drees
Formato:	article
Lenguaje:	EN
Publicado:	BMC 2021
Materias:	Rasterstereography Stance Reference data Healthy women Asymmetrical posture Orthopedic surgery RD701-811 Diseases of the musculoskeletal system RC925-935
Acceso en línea:	https://doaj.org/article/c1c30b2ece964de297ddaac13de90a1a
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spelling	oai:doaj.org-article:c1c30b2ece964de297ddaac13de90a1a2021-12-05T12:19:21ZEvaluation of 3D vertebral and pelvic position by surface topography in asymptomatic females: presentation of normative reference data10.1186/s13018-021-02843-21749-799Xhttps://doaj.org/article/c1c30b2ece964de297ddaac13de90a1a2021-12-01T00:00:00Zhttps://doi.org/10.1186/s13018-021-02843-2https://doaj.org/toc/1749-799XAbstract Background Deviations from a conventional physiologic posture are often a cause of complaint. According to current literature, the upright physiological spine posture exhibits inclinations in the sagittal plane but not in the coronal and transverse planes, but individual vertebral body positions of asymptomatic adults have rarely been described using surface topography. Therefore, this work aims to form a normative reference dataset for the thoracic and lumbar vertebral bodies and for the pelvis in all three planes in asymptomatic women. Methods In a prospective, cross-sectional, monocentric study, 100 pain-free asymptomatic women, aged 20–64 years were enrolled. Habitual standing positions of the trunk were measured using surface topography. Data were analyzed in all three planes. Age sub-analysis was: 1) ages ≤ 40 years and 2) ages ≥ 41 years. Two-sample t-tests were used for age comparisons of the vertebral bodies, vertebra prominence (VP)–L4, and global parameters. One-sample t-tests were used to test deviations from symmetrical zero positions of VP–L4. Results Coronal plane: on average, the vertebral bodies were tilted to the right between the VP and T4 (maximum: T2 − 1.8° ± 3.2), while between T6 and T11 they were tilted to the left (maximum: T7 1.1° ± 1.9). T5 and L2 were in a neutral position, overall depicting a mean right-sided lateral flexion from T2 to T7 (apex at T5). Sagittal plane: the kyphotic apex resided at T8 with − 0.5° ± 3.6 and the lumbar lordotic apex at L3 with − 2.1° ± 7.4. Transverse plane: participants had a mean vertebral body rotation to the right ranging from T6 to L4 (maximum: T11 − 2.2° ± 3.5). Age-specific differences were seen in the sagittal plane and had little effect on overall posture. Conclusions Asymptomatic female volunteers standing in a habitual posture displayed an average vertebral rotation and lateral flexion to the right in vertebral segments T2–T7. The physiological asymmetrical posture of women could be considered in spinal therapies. With regard to spinal surgery, it should be clarified whether an approximation to an absolutely symmetrical posture is desirable from a biomechanical point of view? This data set can also be used as a reference in clinical practice. Trial registration: This study was registered with WHO (INT: DRKS00010834) and approved by the responsible ethics committee at the Rhineland–Palatinate Medical Association (837.194.16).Claudia WolfUlrich BetzJanine HuthwelkerJürgen KonradiRuben Sebastian WestphalMeghan CerpaLawrence LenkePhilipp DreesBMCarticleRasterstereographyStanceReference dataHealthy womenAsymmetrical postureOrthopedic surgeryRD701-811Diseases of the musculoskeletal systemRC925-935ENJournal of Orthopaedic Surgery and Research, Vol 16, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Rasterstereography Stance Reference data Healthy women Asymmetrical posture Orthopedic surgery RD701-811 Diseases of the musculoskeletal system RC925-935
spellingShingle	Rasterstereography Stance Reference data Healthy women Asymmetrical posture Orthopedic surgery RD701-811 Diseases of the musculoskeletal system RC925-935 Claudia Wolf Ulrich Betz Janine Huthwelker Jürgen Konradi Ruben Sebastian Westphal Meghan Cerpa Lawrence Lenke Philipp Drees Evaluation of 3D vertebral and pelvic position by surface topography in asymptomatic females: presentation of normative reference data
description	Abstract Background Deviations from a conventional physiologic posture are often a cause of complaint. According to current literature, the upright physiological spine posture exhibits inclinations in the sagittal plane but not in the coronal and transverse planes, but individual vertebral body positions of asymptomatic adults have rarely been described using surface topography. Therefore, this work aims to form a normative reference dataset for the thoracic and lumbar vertebral bodies and for the pelvis in all three planes in asymptomatic women. Methods In a prospective, cross-sectional, monocentric study, 100 pain-free asymptomatic women, aged 20–64 years were enrolled. Habitual standing positions of the trunk were measured using surface topography. Data were analyzed in all three planes. Age sub-analysis was: 1) ages ≤ 40 years and 2) ages ≥ 41 years. Two-sample t-tests were used for age comparisons of the vertebral bodies, vertebra prominence (VP)–L4, and global parameters. One-sample t-tests were used to test deviations from symmetrical zero positions of VP–L4. Results Coronal plane: on average, the vertebral bodies were tilted to the right between the VP and T4 (maximum: T2 − 1.8° ± 3.2), while between T6 and T11 they were tilted to the left (maximum: T7 1.1° ± 1.9). T5 and L2 were in a neutral position, overall depicting a mean right-sided lateral flexion from T2 to T7 (apex at T5). Sagittal plane: the kyphotic apex resided at T8 with − 0.5° ± 3.6 and the lumbar lordotic apex at L3 with − 2.1° ± 7.4. Transverse plane: participants had a mean vertebral body rotation to the right ranging from T6 to L4 (maximum: T11 − 2.2° ± 3.5). Age-specific differences were seen in the sagittal plane and had little effect on overall posture. Conclusions Asymptomatic female volunteers standing in a habitual posture displayed an average vertebral rotation and lateral flexion to the right in vertebral segments T2–T7. The physiological asymmetrical posture of women could be considered in spinal therapies. With regard to spinal surgery, it should be clarified whether an approximation to an absolutely symmetrical posture is desirable from a biomechanical point of view? This data set can also be used as a reference in clinical practice. Trial registration: This study was registered with WHO (INT: DRKS00010834) and approved by the responsible ethics committee at the Rhineland–Palatinate Medical Association (837.194.16).
format	article
author	Claudia Wolf Ulrich Betz Janine Huthwelker Jürgen Konradi Ruben Sebastian Westphal Meghan Cerpa Lawrence Lenke Philipp Drees
author_facet	Claudia Wolf Ulrich Betz Janine Huthwelker Jürgen Konradi Ruben Sebastian Westphal Meghan Cerpa Lawrence Lenke Philipp Drees
author_sort	Claudia Wolf
title	Evaluation of 3D vertebral and pelvic position by surface topography in asymptomatic females: presentation of normative reference data
title_short	Evaluation of 3D vertebral and pelvic position by surface topography in asymptomatic females: presentation of normative reference data
title_full	Evaluation of 3D vertebral and pelvic position by surface topography in asymptomatic females: presentation of normative reference data
title_fullStr	Evaluation of 3D vertebral and pelvic position by surface topography in asymptomatic females: presentation of normative reference data
title_full_unstemmed	Evaluation of 3D vertebral and pelvic position by surface topography in asymptomatic females: presentation of normative reference data
title_sort	evaluation of 3d vertebral and pelvic position by surface topography in asymptomatic females: presentation of normative reference data
publisher	BMC
publishDate	2021
url	https://doaj.org/article/c1c30b2ece964de297ddaac13de90a1a
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Evaluation of 3D vertebral and pelvic position by surface topography in asymptomatic females: presentation of normative reference data

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