The acute potentiating effects of heavy sled pulls on sprint performance

Paul W. Winwood, Logan R. Posthumus, John B. Cronin, Justin W L Keogh

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Abstract

Winwood, PW, Posthumus, LR, Cronin, JB, and Keogh, JWL. The acute potentiating effects of heavy sled pulls on sprint performance. J Strength Cond Res 30(5): 1248-1254, 2016 - This study examined the acute potentiating effects of heavy sprint-style sled pulls on sprint performance. Twenty-two experienced resistance-trained rugby athletes performed 2 heavy sprint-style sled pull training protocols on separate occasions using a randomized, crossover, and counterbalanced design. The protocols consisted of 2-baseline 15 m sprints followed by 15 m sprints at 4, 8, and 12 minutes after completing 15 and 7.5 m heavy sled pulls with loads of 75 and 150% body mass (respectively). A significantly faster (p ≤ 0.05) 15 m sprint time was observed at 12 minutes for the 75% body mass load. Small nonsignificant improvements (effect size [ES] 0.22-0.33) in 5, 10, and 15 m sprint times were observed at 8 and 12 minutes after the 75% body mass sled pull. No significant changes were observed for any sprint time after the 150% body mass sled pull. Significant differences in the percentage of change in sprint times between the 2 sled pull conditions were observed at 4 (ES 0.44-0.52), 8 (ES 0.59), and 12 minutes (ES 0.64). It would seem that the 75% body mass sled pull can be an effective preload stimulus for improving subsequent sprint performance provided that adequate recovery (8-12 minutes) is allowed. Practitioners should be advised that prescription of training load based on decrement in sprint velocity may be the best approach to determine loading for athletes.

Original languageEnglish
Pages (from-to)1248-1254
Number of pages7
JournalJournal of Strength and Conditioning Research
Volume30
Issue number5
DOIs
Publication statusPublished - 1 May 2016

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Winwood, Paul W. ; Posthumus, Logan R. ; Cronin, John B. ; Keogh, Justin W L. / The acute potentiating effects of heavy sled pulls on sprint performance. In: Journal of Strength and Conditioning Research. 2016 ; Vol. 30, No. 5. pp. 1248-1254.
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abstract = "Winwood, PW, Posthumus, LR, Cronin, JB, and Keogh, JWL. The acute potentiating effects of heavy sled pulls on sprint performance. J Strength Cond Res 30(5): 1248-1254, 2016 - This study examined the acute potentiating effects of heavy sprint-style sled pulls on sprint performance. Twenty-two experienced resistance-trained rugby athletes performed 2 heavy sprint-style sled pull training protocols on separate occasions using a randomized, crossover, and counterbalanced design. The protocols consisted of 2-baseline 15 m sprints followed by 15 m sprints at 4, 8, and 12 minutes after completing 15 and 7.5 m heavy sled pulls with loads of 75 and 150{\%} body mass (respectively). A significantly faster (p ≤ 0.05) 15 m sprint time was observed at 12 minutes for the 75{\%} body mass load. Small nonsignificant improvements (effect size [ES] 0.22-0.33) in 5, 10, and 15 m sprint times were observed at 8 and 12 minutes after the 75{\%} body mass sled pull. No significant changes were observed for any sprint time after the 150{\%} body mass sled pull. Significant differences in the percentage of change in sprint times between the 2 sled pull conditions were observed at 4 (ES 0.44-0.52), 8 (ES 0.59), and 12 minutes (ES 0.64). It would seem that the 75{\%} body mass sled pull can be an effective preload stimulus for improving subsequent sprint performance provided that adequate recovery (8-12 minutes) is allowed. Practitioners should be advised that prescription of training load based on decrement in sprint velocity may be the best approach to determine loading for athletes.",
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The acute potentiating effects of heavy sled pulls on sprint performance. / Winwood, Paul W.; Posthumus, Logan R.; Cronin, John B.; Keogh, Justin W L.

In: Journal of Strength and Conditioning Research, Vol. 30, No. 5, 01.05.2016, p. 1248-1254.

Research output: Contribution to journalArticleResearchpeer-review

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