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Optimal loading for force production in the straight bar deadlift: force-time characteristics in strength trained adults

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dc.contributor.author Lawson, Chelsey
dc.contributor.author Mundy, Peter
dc.contributor.author Lyons, Mark
dc.contributor.author Duncan, Michael J.
dc.date.accessioned 2021-08-18T14:21:58Z
dc.date.issued 2021
dc.identifier.uri http://hdl.handle.net/10344/10490
dc.description peer-reviewed en_US
dc.description The full text of this article will not be available in ULIR until the embargo expires on the 11/08/2022
dc.description.abstract This study sought to identify whether there is an optimum load in relation to peak force development and rate of force development (RFD) in the straight bar deadlift and to examine whether baseline strength levels influence this optimum load. Twelve strength-trained men (mean age ± SD; 25.1 ± 5.4 years) performed 3 deadlift repetitions at loads of 10% intervals of 20–90% of their predetermined individual 1 repetition maximum (1RM). Peak vertical force (PFz) and RFD were determined from each repetition. The repetition at each percentage of 1RM that produced the greatest PFz was used for analysis. All data were collected on an AMTI force platform. Repeated-measures analysis of variance indicated significant differences in PFz across loads of 20–90% 1RM (p = 0.001) with a linear increase in PFz with increasing % of 1RM. The highest PFz occurred at 90% of 1RM. For RFD, there was a significant main effect for load (p = 0.018) where instantaneous RFD was significantly higher at 80 and 90% 1RM compared with 20% 1RM. When analyses were re-run using baseline strength as a covariate, the results did not change, indicating that baseline strength did not influence the PFz or RFD output. These results suggest that there is no significant difference in RFD between adjacent loads, but that peak force production was greatest at 90% 1RM in the straight bar deadlift. en_US
dc.language.iso eng en_US
dc.publisher Lippincott, Williams & Wilkins en_US
dc.relation.ispartofseries Journal of Strength and Conditioning Research (JSCR);35 (6), pp. 1636-1641
dc.relation.uri http://dx.doi.org/10.1519/JSC.0000000000002942
dc.rights This is the author's accepted version of "Optimal loading for force production in the straight bar deadlift: force-time characteristics in strength trained adults" published in Journal of Strength and Conditioning Research (JSCR) Volume 35 - Issue 6 - p 1636-1641 © 2021 Lippincott, Williams and Wilkins. The final published version can be found at http://dx.doi.org/10.1519/JSC.0000000000002942 en_US
dc.subject resistance training en_US
dc.subject strength en_US
dc.subject rate of force development en_US
dc.subject peak force en_US
dc.title Optimal loading for force production in the straight bar deadlift: force-time characteristics in strength trained adults en_US
dc.type info:eu-repo/semantics/article en_US
dc.type.supercollection all_ul_research en_US
dc.type.supercollection ul_published_reviewed en_US
dc.identifier.doi 10.1519/JSC.0000000000002942
dc.date.embargoEndDate 2022-08-11
dc.embargo.terms 2022-08-11 en_US
dc.rights.accessrights info:eu-repo/semantics/embargoedAccess en_US


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