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Kinematic Variables of Disabled Swimmers and Their Correlation With the International Paralympic Committee Classification

Dos Santos, Karini Borges, Bento, Paulo Cesar Barauce, Payton, Carl ORCID logoORCID: https://orcid.org/0000-0001-8896-9753 and Rodacki, André Luiz Felix (2021) Kinematic Variables of Disabled Swimmers and Their Correlation With the International Paralympic Committee Classification. Motor Control, 25 (4). pp. 575-586. ISSN 1087-1640

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Abstract

This study described the kinematic variables of disabled swimmers' performance and correlated them with their functional classification. Twenty-one impaired swimmers (S5-S10) performed 50-m maximum front-crawl swimming while being recorded by four underwater cameras. Swimming velocity, stroke rate, stroke length, intracycle velocity variation, stroke dimensions, hand velocity, and coordination index were analyzed. Kendall rank was used to correlate stroke parameters and functional classification with p < .05. Swimming velocity, stroke length, and submerged phase were positively correlated with the para swimmers functional classification (.61, .50, and .41; p < .05, respectively), while stroke rate, velocity hand for each phase, coordination index, and intracyclic velocity variation were not (τ between -.11 and .45; p > .05). Thus, some objective kinematic variables of the impaired swimmers help to support current classification. Improving hand velocity seems to be a crucial point to be improved among disabled swimmers.

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