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ABSTRACT
The game of rugby, a developing contact sport, is mainly based on the extreme pressure put on the opponent in order to gain the ball; most notably during the scrum. Injuries and traumas to the head and cervical vertebrae are numerous. A specific ergometer, equipped with sensors has been developed with the aim of measuring the impact force and the arching of the neck of a player. The entire signal acquisition chain and their processing via software is detailed. This study clearly identifies and characterizes two phases, the impact phase and that of drive, and has led to the identification of potential risky behaviors.
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INTRODUCTION
When scrummaging in a rugby match, front-row players are subjected to considerable mechanical stress, particularly in the shoulders and neck, as a result of the impact with the opposition and the positioning of their heads. In order to characterize these stresses, an ergometer was designed to measure the support and head extension forces generated by a single player. The player's performance was assessed in this way, making it possible to identify potentially risky behaviours on the pitch.
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