| A radiographic analysis of the influence of initial neck posture on cervical segmental movement at end-range extension in asymptomatic subjects. | |
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MedLine Citation:
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PMID: 20708429 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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In the management of neck pain disorders, McKenzie recommends performing neck extension exercises from a fully neck retracted position in order to achieve a maximum range of lower cervical extension. However, no study has investigated the impact of pre-positioning the neck prior to the extension exercise. This study compared end-range sagittal cervical segmental rotation and translation from three starting positions: the neck in neutral (Ex), retraction (Ret-Ex) and protraction (Pro-Ex). Twenty asymptomatic healthy volunteers were recruited. Lateral radiographs were taken in neutral and at each of the three end-range extension positions and differences in sagittal rotation angles and translation from the neck neutral posture were calculated at each segment. The results indicated that there was a significant difference in the pattern of the sagittal segmental rotation (P < 0.001) but no difference in summed rotations (total extension) between the three conditions (P > 0.05). Pro-Ex generated significantly (P < 0.05) greater extension range at C1-2 and Ret-Ex produced significantly (P < 0.05) greater extension range at C6-7 than alternate conditions. In contrast, there was no significant difference in segmental translation values between the three conditions (P > 0.05). These results indicate initial neck positions can influence cervical segmental extension range at C1-2 and C6-7. |
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Authors:
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Hiroshi Takasaki; Toby Hall; Shouta Kaneko; Yoshikazu Ikemoto; Gwendolen Jull |
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Publication Detail:
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Type: Journal Article Date: 2010-08-12 |
Journal Detail:
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Title: Manual therapy Volume: 16 ISSN: 1532-2769 ISO Abbreviation: Man Ther Publication Date: 2011 Feb |
Date Detail:
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Created Date: 2010-12-24 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9610924 Medline TA: Man Ther Country: Scotland |
Other Details:
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Languages: eng Pagination: 74-9 Citation Subset: IM |
Copyright Information:
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Copyright © 2010 Elsevier Ltd. All rights reserved. |
Affiliation:
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Division of Physiotherapy, School of Health and Rehabilitation Science, The University of Queensland, Brisbane, Queensland 4072, Australia. hiroshi.takasaki@uqconnect.edu.au |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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