| A kinematic and kinetic analysis of drop landings in military boots. | |
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MedLine Citation:
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PMID: 21977709 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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OBJECTIVE: The purpose of this study was to examine knee valgus in drop landings during three different footwear conditions and to examine the ground reaction forces exhibited during the drop landing in the three different footwear conditions. METHODS: Sixteen male and female Reserve Officer Training Corps (ROTC) university undergraduate cadets (21 +/- 3 yrs, 79 +/- 12 kg, and 172 +/- 10 cm) volunteered to participate in the study. Kinematic data were collected while participants performed drop landings in three conditions: bare feet, tennis shoes, and issued military boots. RESULTS: Significant differences among footwear for ground reaction forces (bare feet: 1646 +/- 359%, tennis shoe: 1880 +/- 379%, boot: 1833 +/- 438%; p < 0.05) were found, while there was no significant difference in knee valgus among footwear. CONCLUSIONS: Though footwear conditions did not affect knee valgus, they did affect ground reaction forces. Participants in this study had yet to receive any military training on how to land properly from a specified height. Further research should be completed to analyze the kinematics and kinetics of the lower extremity during different landing strategies implemented by trained military personnel in order to better understand injury mechanisms of drop landings in this population. It is likely that injury prevention landing techniques would be beneficial if these were employed by the military and not just in the sporting community. |
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Authors:
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G D Oliver; A J Stone; J M Booker; H A Plummer |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Journal of the Royal Army Medical Corps Volume: 157 ISSN: 0035-8665 ISO Abbreviation: J R Army Med Corps Publication Date: 2011 Sep |
Date Detail:
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Created Date: 2011-10-07 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7505627 Medline TA: J R Army Med Corps Country: England |
Other Details:
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Languages: eng Pagination: 218-21 Citation Subset: IM |
Affiliation:
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Graduate Athletic Training Education Program, University of Arkansas, Fayetteville 72701, USA. goliver@uark.edu |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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