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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: The effect of a novel square-profile hand rim on propulsion technique of wheelchair tennis players.
    Author: de Groot S, Bos F, Koopman J, Hoekstra AE, Vegter RJK.
    Journal: Appl Ergon; 2018 Sep; 71():38-44. PubMed ID: 29764612.
    Abstract:
    The purpose of this study was to investigate the effect of a square-profile hand rim (SPR) on propulsion technique of wheelchair tennis players. Eight experienced wheelchair tennis players performed two sets of three submaximal exercise tests and six sprint tests on a wheelchair ergometer, once with a regular rim (RR) and once with a SPR. Torque and velocity were measured continuously and power output and timing variables were calculated. No significant differences were found in propulsion technique between the RR and SPR during the submaximal tests. When sprinting with the racket, the SPR showed a significantly lower overall speed (9.1 vs. 9.8 m s-1), maximal speed (10.5 vs. 11.4 m s-1), and maximal acceleration (18.6 vs. 10.9 m s-2). The SPR does not seem to improve the propulsion technique when propelling a wheelchair with a tennis racket in the hand. However, the results gave input for new hand rim designs for wheelchair tennis.
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