Journal
JOURNAL OF ELECTROMYOGRAPHY AND KINESIOLOGY
Volume 48, Issue -, Pages 169-175Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jelekin.2019.07.016
Keywords
Spine posture; Craniofacial structure; Cephalometry; Occlusion; Spinal mouse
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Funding
- Italian Ministry of Research-University of Turin, Italy
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Purpose: The relationship between thoracic-lumbar-sacral spine sagittal alignment and craniofacial morphology is still controversial. Evidence-based results are difficult to obtain and scientific studies are inhomogeneous. The aim of this study was to investigate the difference of thoracic-lumbar-sacral spine posture and cephalometric values comparing two groups of subjects with different cranial structure in the sagittal plane. Methods: Eighty-one subjects were consecutively selected and divided into two groups, according to the orientation of the condyle-orbital plane (CoOr) with respect to the superior maxilla (SpP): Group1: 49 subjects 11.6 (2.1) years showing posterior-rotation of CoOr: SpP(boolean AND)CoOr <= -2 degrees, -4.1 degrees(2.1 degrees); Group2: 32 subjects 12.9 (2.3) years showing anterior-rotation of CoOr: SpP(boolean AND)CoOr >= 2 degrees, 3.7 degrees(1.9 degrees). Each patient underwent in blinding, Spinal Mouse recording and cephalometry of the skull. Results: Group1 showed a significant forward tilting of the spine 4.4 degrees(1.8 degrees) with respect to Group2 2.4 degrees(1.3 degrees) (p < 0.0001) and higher values related to the vertical dimension of the skull: higher maxillary divergency (p < 0.0001), steep occlusal plane (p < 0.0007), higher gonial angle (p < 0.001). Discussion: The results of this study showed a difference in the thoracic-lumbar-sacral spine inclination between groups with different craniofacial morphology. The achievement of this outcome is important to improve our multidisciplinary evaluation and treatment planning.
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