Reliability of horizontal force-velocity-power profiling during short sprint-running accelerations using radar technology.

Abstract:

:Radar technology can be used to perform horizontal force-velocity-power profiling during sprint-running. The aim of this study was to determine the reliability of radar-derived profiling results from short sprint accelerations. Twenty-seven participants completed three 30 m sprints (intra-day analysis), and nine participants completed the testing session on four separate days (inter-day analysis). The majority of radar-derived kinematic and kinetic descriptors of short sprint performance had acceptable intra-day and inter-day reliability [intraclass correlation coefficient (ICC) ≥ 0.75 and coefficient of variation (CV) ≤ 10%], but split times over the initial 10 m and some variables that include a horizontal force component had only moderate relative reliability (ICC = 0.49-0.74). Comparing the average of two sprint trials between days resulted in acceptable reliability for all variables except the relative slope of the force-velocity relationship (S Fvrel; ICC = 0.74). Practitioners should average sprint test results over at least two trials to reduce measurement variability, particularly for outcome variables with a horizontal force component and for sprint distances of less than 10 m from the start.

journal_name

Sports Biomech

journal_title

Sports biomechanics

authors

Simperingham KD,Cronin JB,Pearson SN,Ross A

doi

10.1080/14763141.2017.1386707

subject

Has Abstract

pub_date

2019-02-01 00:00:00

pages

88-99

issue

1

eissn

1476-3141

issn

1752-6116

journal_volume

18

pub_type

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