| Can footwear affect achilles tendon loading? | |
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MedLine Citation:
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PMID: 20818191 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: To investigate the effects of footwear on Achilles tendon tension by directly measuring Achilles tendon tension and dorsiflexion range of motion. DESIGN: A total of 48 matched pair tests were performed comparing the effects of shoe type (high-top vs low-top) for each shoelace configuration (tied vs untied). These were performed using the Achilles tendons of 4 human cadaver lower extremities that were instrumented with a customized load cell designed to measure tension. The lower extremity was inverted in a custom testing apparatus designed to inertially invoke dorsiflexion of the foot, putting the Achilles tendon in tension. SETTING: Research laboratory. PATIENTS: Left and right lower extremities of 2 human cadavers. INTERVENTIONS: None. Independent variables were shoe type and shoelace configuration. MAIN OUTCOME MEASURES: Achilles tendon tension and dorsiflexion range of motion. RESULTS: High-top shoes significantly reduced peak Achilles tendon tension by an average of 9.9% when compared with low-top shoes. Tied laces significantly reduced peak tension for low-top (3.7%) and high-top (12.8%) shoes when compared with untied laces. With tied laces, high-top shoes significantly reduced peak dorsiflexion angle by an average of 7.2% when compared with low-top shoes. Tied laces with high-top shoes significantly reduced peak dorsiflexion angle by an average of 4.7% when compared with untied laces. A P value of 0.05 was determined to be significant. CONCLUSIONS: This study offers valuable insight that footwear can affect Achilles tendon loading during dorsiflexion. |
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Authors:
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Steven Rowson; Craig McNally; Stefan M Duma |
Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine Volume: 20 ISSN: 1536-3724 ISO Abbreviation: Clin J Sport Med Publication Date: 2010 Sep |
Date Detail:
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Created Date: 2010-09-06 Completed Date: 2011-01-06 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9103300 Medline TA: Clin J Sport Med Country: United States |
Other Details:
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Languages: eng Pagination: 344-9 Citation Subset: IM |
Affiliation:
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Center for Injury Biomechanics, Virginia Tech-Wake Forest University, Blacksburg, VA, USA. srowson@vt.edu |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Achilles Tendon* Aged Biomechanics Cadaver Humans Male Middle Aged Range of Motion, Articular* Shoes* Weight-Bearing |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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