Rodano, R.

English

ISBS (International Society of Biomechanics in Sports): Conference Proceedings Archive

IMPACT FORCES OF THE BLADE IN FENCING MOVEMENTS R. Rodano Politecnico di Milano, Milano, ITALY Fencing is a sport in which the contact between the opponents occurs through weapons: foil, s w d  and sabre. In order to avoid any physical harm, the athletes wear proper equipmen4 specially designed to protect against the impact of the blade. The protective performance of the equipment dramatically decreases when the blade accidentally breaks during the impact. This event, which occurs more frequently with the foil, may give rise to tragic consequences. The knowledge of the force exchangedbetween blade and target is the fundamental step towards designing safer equipment and to choosing the most appropriate. steel for the blades. Despite its importance, few researchers have studied the problem. One example is given by Klinger and Adrian (1983). who measured the acceleration of the handle during the impact of the foil with different targets. The purpose of this investigation was to measure the force exerted by the tip of foil and sword blades during mche and lunge actions, performed by athletes of different age. and skills. METHODOLOGY Fifteen fencers were the subjects of the study grouped as follows: five young foilists (beginners), five adult foilists and five eflists, the l a m  groups being of international level. The fencers were asked to hit an aluminium circular target (diameter 160 mm) covered with a sheet of EVA foam (height 10 mm) end mounted on a three component load cell. The cell-target system was fixed to a pillar of cement by means of a mechanical device, designed in order to adjust the height of the center of the target from the floor and to ensure the right alignment of blade, wrist and shoulder of each subject Two basic movements were studied: flkheand lunge. All the subjects performed the experiments by using weapons with new blades. The foilists repeated the movements with foils fitted with three different handles: Italian, French and anatomic. The latter was used as the handle for all the swords. The signals were acquired with a sampling frequency of 1000 Hz and filtered with anumerical low pass filtering, with acut-off frequency of 300 Hz. This value was chosen when considering the free frequency of the measurement device as a whole. The maximum of the peak of force (Mf) and its integral (If) for the first 50 mil- liseconds of the impact were computed for each trial. 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IMPACT FORCES OF THE BLADE IN FENCING MOVEMENTS

https://ojs.ub.uni-konstanz.de/cpa/article/download/2632/2473

IMPACT FORCES OF THE BLADE IN FENCING MOVEMENTS

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