Spinal muscle activity during different rugby scrum engagement procedures

D Cazzola, Benjamin Stone, Timothy Holsgrove, G Trewartha, Ezio Preatoni

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Abstract

Biomechanical studies of rugby union scrummaging have focussed on kinetic and kinematic analyses, whilst muscle activation strategies employed by front row players during scrummaging are still unknown. The aim of this study was to investigate the activity of the sternocleidomastoid, upper trapezius and erector spinae muscles during machine and live scrums. Nine male front-row forwards scrummaged individually against a scrum machine under 'crouch-touch-set' and 'crouch-bind-set' conditions, and against a two-player opposition in a simulated live condition. Results suggest that the pre-bind technique, may effectively prepare the cervical spine by stiffening joints before the impact phase. Additionally, machine scrummaging does not replicate the muscular demands of live scrummaging for the erector spinae.
Original languageEnglish
Title of host publicationProceedings of the 33st International Conference on Biomechanics in Sports (2015) Poitiers, France, June 29 – July 3, 2015
Pages559
Number of pages562
Publication statusPublished - 2015
EventXXXIII International Conference on Biomechanics in Sports - Poitiers, France
Duration: 29 Jun 20153 Jul 2015

Conference

ConferenceXXXIII International Conference on Biomechanics in Sports
CountryFrance
CityPoitiers
Period29/06/153/07/15

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    Cazzola, D., Stone, B., Holsgrove, T., Trewartha, G., & Preatoni, E. (2015). Spinal muscle activity during different rugby scrum engagement procedures. In Proceedings of the 33st International Conference on Biomechanics in Sports (2015) Poitiers, France, June 29 – July 3, 2015 (pp. 559)