| Neck muscle strength across the sagittal and coronal planes: an isometric study. | |
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MedLine Citation:
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PMID: 12206947 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: To determine the maximal isometric strength of neck muscles across different anatomical positions in the body sagittal and coronal planes. DESIGN: A descriptive study involving maximal isometric strength measurements of the cervical musculature in extension, flexion, and left and right lateral bending. Before measurements, the new device was tested for reliability. BACKGROUND: The literature contains only a few studies on cervical musculature strength assessment. Of these, measurement methods have displayed weak reliability. No studies existed reporting neck strength at various positions in the body coronal plane. METHODS: A new device incorporating local population anthropometry was developed for neck strength assessment on an isokinetic dynamometer. The device's repeatability attributes at measuring the strength of functionally different groups of neck muscles were first evaluated. The isometric apparatus was next used to determine the maximal strength of the cervical musculature of 17 healthy volunteers at different anatomical positions across the body sagittal and coronal motion planes. RESULTS: The results showed good intratester repeatability for intraday and day-to-day studies for all measured parameters. Strength values demonstrated that extensor muscles yielded the greatest torque and that flexor muscles provided the least torque. Linear regression analyses showed strong association of isometric strength with anatomical positions in the two body planes. CONCLUSIONS: Maximal isometric strength of neck muscles in four directions was quantified. Cervical musculature strength levels vary in discernible patterns with head-neck positions and contraction directions. RELEVANCE: Knowledge of normative values of neck muscle strength is essential for designing and implementing appropriate rehabilitation programmes. Results from the present study contribute to such literature. |
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Authors:
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Kok-Yong Seng; Vee-Sin Lee Peter; Pin-Min Lam |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Clinical biomechanics (Bristol, Avon) Volume: 17 ISSN: 0268-0033 ISO Abbreviation: Clin Biomech (Bristol, Avon) Publication Date: 2002 Aug |
Date Detail:
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Created Date: 2002-09-03 Completed Date: 2002-10-18 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 8611877 Medline TA: Clin Biomech (Bristol, Avon) Country: England |
Other Details:
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Languages: eng Pagination: 545-7 Citation Subset: IM |
Copyright Information:
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Copyright 2002 Elsevier Science Ireland Ltd. |
Affiliation:
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Human Effectiveness Lab, Defence Medical Research Institute, Defence Science and Technology Agency, 5 Depot Road, Defence Technology Tower B, #20-04 Singapore 109681, Singapore. kyseng@dsta.gov.sg |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Humans Isometric Contraction* Male Muscle, Skeletal / physiology* Neck / physiology* Reproducibility of Results |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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