{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,1]],"date-time":"2025-05-01T18:46:28Z","timestamp":1746125188023,"version":"3.37.3"},"reference-count":17,"publisher":"Wiley","license":[{"start":{"date-parts":[[2017,1,1]],"date-time":"2017-01-01T00:00:00Z","timestamp":1483228800000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Shanghai Committee of Science and Technology","award":["15401934100","81473702","81503596","81202707","81001528"],"award-info":[{"award-number":["15401934100","81473702","81503596","81202707","81001528"]}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["15401934100","81473702","81503596","81202707","81001528"],"award-info":[{"award-number":["15401934100","81473702","81503596","81202707","81001528"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["15401934100","81473702","81503596","81202707","81001528"],"award-info":[{"award-number":["15401934100","81473702","81503596","81202707","81001528"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["15401934100","81473702","81503596","81202707","81001528"],"award-info":[{"award-number":["15401934100","81473702","81503596","81202707","81001528"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["15401934100","81473702","81503596","81202707","81001528"],"award-info":[{"award-number":["15401934100","81473702","81503596","81202707","81001528"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Healthcare Engineering"],"published-print":{"date-parts":[[2017]]},"abstract":"<jats:p><jats:italic>Introduction<\/jats:italic>. This study investigated the relationship between the parameters related to the natural head position and cervical segmental angles and alignment of patients with neck pain. <jats:italic>Material and Methods<\/jats:italic>. The lateral radiographs of the cervical spine were collected from 103 patients and were used to retrospectively analyze the correlation between the natural head position, cervical local sagittal angles, and alignment. Sagittal measurements were as follows: cervical curvature classification, slope of McGregor\u2019s line (McGS), local sagittal angles (C0\u2013C2 angle, C2\u2013C5 angle, C5\u2013C7 angle, and C2\u2013C7 angle), T1 slope, center of gravity of the head to sagittal vertical axis (CG\u2013C7 SVA), and local sagittal alignment (C0\u2013C2 SVA and C2\u2013C7 SVA). <jats:italic>Results<\/jats:italic>. McGS was significantly correlated to C0\u2013C2 angle (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M1\"><mml:mi>r<\/mml:mi><mml:mo>=<\/mml:mo><mml:mn>0.57<\/mml:mn><\/mml:math>), C0\u2013C2 SVA (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M2\"><mml:mi>r<\/mml:mi><mml:mo>=<\/mml:mo><mml:mo>\u2212<\/mml:mo><mml:mn>0.53<\/mml:mn><\/mml:math>), C2\u2013C7 SVA (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M3\"><mml:mi>r<\/mml:mi><mml:mo>=<\/mml:mo><mml:mo>\u2212<\/mml:mo><mml:mn>0.28<\/mml:mn><\/mml:math>), and CG\u2013C7 SVA (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M4\"><mml:mi>r<\/mml:mi><mml:mo>=<\/mml:mo><mml:mo>\u2212<\/mml:mo><mml:mn>0.47<\/mml:mn><\/mml:math>). CG\u2013C7 SVA was also significantly correlated to curvature type (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M5\"><mml:mi>r<\/mml:mi><mml:mo>=<\/mml:mo><mml:mn>0.27<\/mml:mn><\/mml:math>), C5\u2013C7 angle (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M6\"><mml:mi>r<\/mml:mi><mml:mo>=<\/mml:mo><mml:mo>\u2212<\/mml:mo><mml:mn>0.37<\/mml:mn><\/mml:math>), and C2\u2013C7 angle (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M7\"><mml:mi>r<\/mml:mi><mml:mo>=<\/mml:mo><mml:mo>\u2212<\/mml:mo><mml:mn>0.39<\/mml:mn><\/mml:math>). <jats:italic>Conclusions<\/jats:italic>. A backward shift with an extended head position may accompany a relatively normal curvature of the cervical spine. The effect of posture control in relieving abnormal mechanical state of the cervical spine needs to be further confirmed by biomechanical analysis.<\/jats:p>","DOI":"10.1155\/2017\/2941048","type":"journal-article","created":{"date-parts":[[2017,8,13]],"date-time":"2017-08-13T17:02:36Z","timestamp":1502643756000},"page":"1-7","source":"Crossref","is-referenced-by-count":11,"title":["The Influence of Natural Head Position on the Cervical Sagittal Alignment"],"prefix":"10.1155","volume":"2017","author":[{"given":"Kuan","family":"Wang","sequence":"first","affiliation":[{"name":"Shi\u2019s Center of Orthopedics and Traumatology, Shuguang Hospital Affiliated to Shanghai University of TCM, Shanghai 201203, China"},{"name":"Tongji Hospital, Tongji University School of Medicine, Shanghai 200092, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhen","family":"Deng","sequence":"additional","affiliation":[{"name":"Shi\u2019s Center of Orthopedics and Traumatology, Shuguang 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