The Relationship between Lower-Body Strength and Power, and Load Carriage Tasks: A Critical Review

Rob Marc Orr, Jay Dawes, Robert G. Lockie, Daniel Godeassi

Research output: Contribution to journalArticleResearchpeer-review

20 Citations (Scopus)
263 Downloads (Pure)


The purpose of this review was to critically appraise articles that have investigated the association between lower-body strength and power during load carriage in tactical personnel. Literature databases were searched with specific search terms, yielding 921 articles. Additional studies found from article reference lists were also assessed for eligibility. Out of these articles, 16 met the inclusion/exclusion criteria and were critically appraised. Articles were assessed by the Downs and Black evaluation tool with inter-rater agreement determined by Cohen’s kappa and final results graded according to the Kennelly quality grading system. Of the 940 identified articles, 16 studies met the criteria for inclusion in this review. The average score of the eligible articles was 58%, considered to be of fair quality by the Kennelly grading system. The strength and volume of evidence reviewed suggests that: measures of lower-body strength and power can predict load carriage performance and appear to be important physical factors for load carriage ability, and that load carriage tasks negatively impact the performance of leg strength and power. Together these findings suggest that leg strength and power should be important considerations for tactical personnel training and assessment, as well as managing the impact of load carriage on tactical performance.
Original languageEnglish
Pages (from-to)1001-1022
Number of pages22
JournalInternational Journal of Exercise Science
Issue number6
Publication statusPublished - 10 Aug 2019


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