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Adaptations du geste du rameur expert à l'augmentation de la cadence sur ergomètre

Abstract : Stroke rate is a criterion of performance in rowing. This one must range between 32 and 40 strokes per minute to hope to belong to the medal-holders. However, most of the times, training sessions are realized on rowing ergometer, the best simulation tool, where stroke-rate hardly exceeds 20 strokes per minute which is too low. Therefore, wouldn’t it better to train on rowing ergometer at higher cadence? To answer precisely this question, the performance indicators, and more particularly the technical ones are required. The hypothesis is that technical performance indicators would be good if it’s advantageous, from a technical viewpoint, to row at a high stroke rate on rowing ergometer. The implemented methodology is gradual and uses temporal and space-time indicators of the rower gesture to calculate net joint torques at the elbow, trunk and knee using continuous relative phases. Two series of experiments involving highly experienced rowers were carried out for stroke rates ranging from 18 to 40 strokes per minute. Kinematic and dynamic data, necessary to the calculation of the indicators, were collected and processed. The results show that rowing at high stroke-rate is rather harmful. Nevertheless, they indicate that using extroceptive feedback would change our conclusions and therefore promote training at high stroke-rate on rowing ergometer.
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Submitted on : Monday, December 14, 2020 - 6:19:01 PM
Last modification on : Tuesday, November 23, 2021 - 9:44:43 AM
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  • HAL Id : tel-03065376, version 1


Nicolas Decoufour. Adaptations du geste du rameur expert à l'augmentation de la cadence sur ergomètre. Biomécanique []. Université de valenciennes et du Hainaut-Cambrésis, 2010. Français. ⟨NNT : 2010VALE0002⟩. ⟨tel-03065376⟩



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