The Acute Potentiating Effects of Heavy Sled Pulls on Sprint Performance

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

doi:10.1519/JSC.0000000000001227

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The Acute Potentiating Effects of Heavy Sled Pulls on Sprint Performance

Journal article

Peer reviewed

The Acute Potentiating Effects of Heavy Sled Pulls on Sprint Performance

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

Journal of strength and conditioning research, Vol.30(5), pp.1248-1254

2016

DOI: https://doi.org/10.1519/JSC.0000000000001227

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Abstract

complex training

resistance training

speed

power

post activation potentiation

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.

Details

Title: The Acute Potentiating Effects of Heavy Sled Pulls on Sprint Performance
Authors: Paul W Winwood (Author) - Auckland University of Technology, New Zealand
Logan R Posthumus (Author) - Auckland University of Technology, New Zealand
John B Cronin (Author) - Auckland University of Technology, New Zealand
Justin W L Keogh (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
Publication details: Journal of strength and conditioning research, Vol.30(5), pp.1248-1254
Publisher: Lippincott Williams & Wilkins
Date published: 2016
DOI: 10.1519/JSC.0000000000001227
ISSN: 1064-8011
Organisation Unit: University of the Sunshine Coast, Queensland
Language: English
Record Identifier: 99449560202621
Output Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Web Of Science research areas: Sport Sciences