Vertebral morphology influences the development of Schmorl's nodes in the lower thoracic vertebrae

Plomp, Kimberly A.; Roberts, Charlotte A.; Viðarsdóttir, Una Strand

doi:10.1002/ajpa.22168

Cited by 44 publications

(74 citation statements)

References 68 publications

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“…Aunque el mecanismo por el cual se producen los NS no son completamente comprendidos (Plomp et al 2012;Zhang et al 2010), la teoría original y más aceptada actualmente (Schmorl & Junghans 1971) sugiere que son el resultado del debilitamiento de los platillos vertebrales, los cuales tienden a ser más delgados en la región central adyacente al núcleo pulposo (Moore 2006;Plomp et al 2012;Roberts et al 1989). Los discos intervertebrales son estructuras cilíndricas, compuestas por un núcleo pulposo central altamente hidratado, rodeado por un anillo fibroso de colágeno, firme pero flexible ( Fig.1) (Yasuma et al 1988).…”

Section: Palabras Clave: Nódulos De Schmorl Restos Humanos Arqueológunclassified

“…En este sentido, Plomp et al (2012) propusieron que la forma y morfología normal de las últimas vértebras dorsales, variable entre poblaciones debido en parte a su constitución biológica, tendría un efecto relevante en la formación de los NS debido a los movimientos de flexión, extensión y rotación a los cuales está sometida esta porción de la columna dorsolumbar y al menor espesor de los discos intervertebrales en relación con el tamaño de los cuerpos vertebrales. En esta muestra particular de Patagonia Austral las lesiones afectaron la región inferior de la columna dorsal y superior de la columna lumbar, resultados que acompañan la tendencia general reportada en estudios clínicos y bioarqueológicos (Peng et al 2003;Pfirrmann & Resnick 2001;Üstündağ 2009), y que podrían coincidir con la causas morfológicas asociadas a este segmento de la columna vertebral.…”

Section: Discusión Y Conclusionesunclassified

“…Como consecuencia de la asociación con aspectos morfológicos vertebrales normales, Plomp et al (2012) indican que la interpretación de los NS como indicadores de actividad física debe ser tomada con cautela. Sin embargo, una parte importante de los resultados alcanzados en restos esqueletales atribuyen la presencia de NS al estrés mecánico y los traumas repetitivos relacionados con patrones de actividad física producto de prácticas económicas y culturales (Knüsel et al 1997;Lai & Lovell 1992;Novak & Salus 2011;Šlaus 2000;Üstündağ et al 2009).…”

Section: Discusión Y Conclusionesunclassified

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Nódulos de Schmorl en Restos Humanos Arqueológicos de Patagonia Austral

Suby

2014

Magallania

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RESUMENLos nódulos de Schmorl (NS) son herniaciones del núcleo pulposo de los discos intervertebrales dentro de los cuerpos vertebrales adyacentes. Las causas de su desarrollo son parcialmente comprendidas, asociadas a factores morfológicos, degenerativos, traumáticos y metabólicos, mientras el rol de su interpretación como indicador de actividad física es aún cuestionado. En este trabajo se estudia la prevalencia de NS en 22 esqueletos arqueológicos de Patagonia Austral, discutiendo sus posibles causas y relación con los estilos de vida propuestos para las poblaciones humanas de esa región. Se registró una prevalencia de 27,3% para el total de los esqueletos analizados. Además, se encontró una mayor prevalencia de NS en la región de Santa Cruz/Magallanes en relación a los esqueletos de Tierra del Fuego. Aunque no puede descartarse una tendencia biológica al desarrollo de estas lesiones, los resultados sugieren un mayor grado de estrés mecánico sobre la columna vertebral en los individuos de la región continental de Patagonia Austral. PALABRAS CLAVE: nódulos de Schmorl, restos humanos arqueológicos, Patagonia austral, paleopatología SCHMORL´S NODES IN ARCHAEOLOGICAL SKELETALREMAINS FROM SOUTHERN PATAGONIA ABTRACT Schmorl´s Nodes are herniations of the intervertebral disc nucleous pulposus into the adjacent vertebra. Their causes are partially understood and associated to morphological, degenerative, traumatic and metabolic factors, whereas their role as an indicator of physical activity is currently under debate. In this paper the prevalence of NS in 22 archaeological skeletons from Southern Patagonia is studied, discussing their possible causes and their relationship with the lifestyles of the human populations of this region. A prevalence of 27.3% was recorded. The skeletons from the Santa Cruz/Magallanes region showed higher prevalence of NS than skeletons from northern and southern Tierra del Fuego. Although biological susceptibility for this difference could not be

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Section: Palabras Clave: Nódulos De Schmorl Restos Humanos Arqueológunclassified

Section: Discusión Y Conclusionesunclassified

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Nódulos de Schmorl en Restos Humanos Arqueológicos de Patagonia Austral

Suby

2014

Magallania

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“…There also exist discrepancy in terms of relationships between age and SN occurrence (Saluja et al 1986;Jankauskas 1992;Šlaus 2000;Williams et al 2007;Dar et al 2009;Novak and Šlaus 2011;Plomp et al 2012;Navitainuck et al 2013;Sonne-Holm et al 2013).…”

Section: Introductionmentioning

confidence: 99%

“…Another interesting hypothesis is proposed by Plomp et al (2012Plomp et al ( , 2015, who claimed that shape and size of vertebral body, size of neural foramen, and shape of the superior articular facets and pedicles are correlated not only with the mere presence, but also with severity of SN (Plomp et al 2012(Plomp et al , 2015.…”

Section: Introductionmentioning

confidence: 99%

High stature and body mass might affect the occurrence of Schmorl’s nodes

Trzciński

Myszka

Piontek

2017

Anthropological Review

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Schmorl's nodes are vertical herniation of intervertebral discs into the body of neighbouring vertebral endplate. Notwithstanding extensive studies, no consensus has been reached in the subject of their possible etiology. It is hypothesized that physical stress, trauma and high axial loading are the key factors in the occurrence of this pathology. The main objective of the current work is to reevaluate the relationship between stature and body mass and Schmorl's nodes. For this purpose, skeletal samples from Lithuania (44 males and 19 females) and Poland (97 males and 60 females) were used. The study confirmed that Schmorl's nodes are age-independent, and more frequent in males (12.63% on the superior and 19.32% on the inferior surface of vertebrae) than in females (6.23% and 12.29% respectively). Obtained results also suggest that high stature (e.g. Spearmann correlation for superior: R=0.20 p=0.017, and inferior: R=0.31 p=0.000 surface of vertebrae) and body mass (R=0.25, p=0.002 and R=0.32, p<0.001, respectively) are factors that increase the risk of Schmorl's nodes. Authors hypothesize that the afore-mentioned body size traits alter loadings acting on intervertebral discs, and rigidity of the spine.

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Does the correlation between schmorl's nodes and vertebral morphology extend into the lumbar spine?

Plomp

Roberts

Viðarsdóttir

2015

American J Phys Anthropol

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This is the accepted version of the following article: Plomp, K., Roberts, C. and Strand Vidarsdottir, U. (2015), Does the correlation between schmorl's nodes and vertebral morphology extend into the lumbar spine?. American Journal of Physical Anthropology, 157(3): 526-534, which has been published in nal form at http://dx.doi.org/10.1002/ajpa.22730. This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving.Additional information: Use policyThe full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-pro t purposes provided that:• a full bibliographic reference is made to the original source • a link is made to the metadata record in DRO • the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders.Please consult the full DRO policy for further details. Schmorl's nodes are depressions on vertebrae due to herniation of the nucleus pulposus of the intervertebral disc into the vertebral body. This study provides an extension of our previous study which analyzed the shape of the lower thoracic spine and found that vertebral morphology was associated with the presence of Schmorl's nodes. Ninety adult individuals from the late Medieval site of Fishergate House, York, and the Post-Medieval site of Coach Lane, North Shields, Tyne and Wear, England, were analysed using 2D geometric morphometrics to identify possible relationships between vertebral morphology and Schmorl's nodes at the thoraco-lumbar junction and in the lumbar spine. A significant correlation was found between vertebral shape and the presence of Schmorl's nodes in twelfth thoracic vertebrae and lumbar vertebrae 1-3. The findings corroborate previous findings and suggest that vertebral shape may be an important factor in spinal health and it is hypothesized that the pedicle shape of affected vertebrae may not provide adequate structural support for the vertebral bodies, resulting in vertical disc herniation.

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Vertebral morphology influences the development of Schmorl's nodes in the lower thoracic vertebrae

Cited by 44 publications

References 68 publications

Nódulos de Schmorl en Restos Humanos Arqueológicos de Patagonia Austral

Nódulos de Schmorl en Restos Humanos Arqueológicos de Patagonia Austral

High stature and body mass might affect the occurrence of Schmorl’s nodes

Does the correlation between schmorl's nodes and vertebral morphology extend into the lumbar spine?

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