2016
DOI: 10.1519/jsc.0000000000001421
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Change of Direction Deficit: A More Isolated Measure of Change of Direction Performance Than Total 505 Time

Abstract: Nimphius, S, Callaghan, SJ, Spiteri, T, and Lockie, RG. Change of direction deficit: A more isolated measure of change of direction performance than total 505 time. J Strength Cond Res 30 (11): 3024-3032, 2016-Most change of direction (COD) tests use total time to evaluate COD performance. This makes it difficult to identify COD ability because the majority of time is a function of linear running. The COD deficit has been proposed as a practical measure to isolate COD ability independent of sprint speed. This … Show more

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Cited by 225 publications
(385 citation statements)
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“…The current study measured 505-agility time as well, which did not correlate with performance in any of the countermovement jumps. As such, the correlation observed between jump performance and COD performance may be largely influenced by the straight line sprint, not the actual ability to decelerate and re-accelerate in a COD [66,67]. The measurement of peak velocity supported this finding, as peak velocity was related to the total and 505-agility times in the COD test, plus performances in the bilateral jumps (Table 2).…”
Section: Discussionmentioning
confidence: 86%
“…The current study measured 505-agility time as well, which did not correlate with performance in any of the countermovement jumps. As such, the correlation observed between jump performance and COD performance may be largely influenced by the straight line sprint, not the actual ability to decelerate and re-accelerate in a COD [66,67]. The measurement of peak velocity supported this finding, as peak velocity was related to the total and 505-agility times in the COD test, plus performances in the bilateral jumps (Table 2).…”
Section: Discussionmentioning
confidence: 86%
“…COD involves fast accelerations that convert into sudden decelerations requiring high–eccentric strength gradients [ 5 , 6 ], including different angles for COD [ 9 , 40 ]. However, this is not required in straight sprints [ 41 ]. In our study, IAT required smooth and sudden COD, while SGT required sudden accelerations and decelerations, and these tests are normally used in classification to evaluate the impact of the eligible impairments in CP-Football.…”
Section: Discussionmentioning
confidence: 99%
“…The COD deficit for both limbs was calculated as the difference between mean 505 or 505 mod time and mean 10-m sprint time [ 29 ]. Sprint testing was performed on the same surface as the COD trials with timing gates placed at 0-, 5-, 10-, and 20-m.…”
Section: Methodsmentioning
confidence: 99%