| The effects of opposition and gender on knee kinematics and ground reaction force during landing from volleyball block jumps. | |
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MedLine Citation:
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PMID: 21268461 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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The aim of this study was to examine the effect of opposition and gender on knee kinematics and ground reaction force during landing from a volleyball block jump. Six female and six male university volleyball players performed two landing tasks: (a) an unopposed and (b) an opposed volleyball block jump and landing. A 12-camera motion analysis system (120 Hz) was used to record knee kinematics, and a force platform (600 Hz) was used to record ground reaction force during landing. The results showed a significant effect for level of opposition in peak normalized ground reaction force (p = .04), knee flexion at ground contact (p = .003), maximum knee flexion (p = .001), and knee flexion range of motion (p = .003). There was a significant effect for gender in maximum knee flexion (p = .01), knee flexion range of motion (p = .001), maximum knee valgus angle (p = .001), and knee valgus range of motion (p = .001). The changes in landing biomechanics as a result of opposition suggest future research on landing mechanics should examine opposed exercises, because opposition may significantly alter neuromuscular responses. |
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Authors:
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Gerwyn Hughes; James Watkins; Nick Owen |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Research quarterly for exercise and sport Volume: 81 ISSN: 0270-1367 ISO Abbreviation: Res Q Exerc Sport Publication Date: 2010 Dec |
Date Detail:
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Created Date: 2011-01-27 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8006373 Medline TA: Res Q Exerc Sport Country: United States |
Other Details:
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Languages: eng Pagination: 384-91 Citation Subset: IM |
Affiliation:
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Division of Sport Health and Exercise, University of Hertfordshire, Hatfield, UK. g.hughes@herts.ac.uk |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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