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Dynamometric method for the evaluation of hiking in Catamaran boats

This study aimed to propose and to validate a method for the measurement of hiking distance (Hd) and hiking moment (Hm) in Catamaran boats, through the use of force plates. This new method proposes the measurement by dynamometry, with the positioning of a force plate below each boat hoof to measure the Ground Reaction Forces (GRF). Based on the classic static equations Hd and Hm were determined. In order to validate the method a validation of competing was carried out through the comparison with kinematic values measured through the Peak Motus system. Intraclass correlation coeficient was used. Different positions in two different inclinations of the boat, simulating the boat heeling, had been analyzed. The results showed a high correlation (ICC > 0.99) and a small average error (1.00% for Hd and 0.96% for Hm) between the methods. Thus, the new method seems to be valid and efficient since it measured the variables in a fast and precise way, facilitating the analysis and assisting sailors and coaches on decision taking

Biomechanics; Dynamometry; Sailing; Hiking


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