A biomechanical analysis of the heavy sprint-style sled pull and comparison with the back squat

P W Winwood; J B Cronin; S R Brown; Justin W L Keogh

doi:10.1260/1747-9541.10.5.851

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A biomechanical analysis of the heavy sprint-style sled pull and comparison with the back squat

P W Winwood, J B Cronin, S R Brown and Justin W L Keogh

International Journal of Sports Science and Coaching, Vol.10(5), pp.851-868

2015

DOI: https://doi.org/10.1260/1747-9541.10.5.851

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Abstract

kinematics

kinetics

powerlifting

resisted sprinting training

strongman

This study compared the biomechanical characteristics of the heavy sprintstyle sled pull and squat. Six experienced male strongman athletes performed sled pulls and squats at 70% of their 1RM squat. Significant kinematic and kinetic differences were observed between the sled pull start and squat at the start of the concentric phase and at maximum knee extension. The first stride of the heavy sled pull demonstrated significantly (p <0.05) lower stride lengths and average velocities and a higher mean ratio of force than the stride at 2 - 3 m. The force orientation and magnitude associated with the heavy sprint-style sled pull demonstrates that the heavy sled pull may be an effective conditioning stimulus to generate superior anterior-propulsive forces compared to vertically orientated exercises such as the squat with the same given load. Such adaptations may be beneficial in sports where higher levels of sprint momentum are needed to make and break tackles

Details

Title: A biomechanical analysis of the heavy sprint-style sled pull and comparison with the back squat
Authors: P W Winwood (Author) - Sport Performance Research Institute New Zealand
J B Cronin (Author) - Sport Performance Research Institute New Zealand
S R Brown (Author) - Sport Performance Research Institute New Zealand
Justin W L Keogh (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
Publication details: International Journal of Sports Science and Coaching, Vol.10(5), pp.851-868
Publisher: Sage Publications Ltd.
Date published: 2015
DOI: 10.1260/1747-9541.10.5.851
ISSN: 1747-9541
Organisation Unit: University of the Sunshine Coast, Queensland
Language: English
Record Identifier: 99450450602621
Output Type: Journal article

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