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Volume 41 Number 3B, May/June 2004
Pages 421 — 428

Abstract - The effects of rear-wheel camber on the mechanical parameters produced during the wheelchair sprinting of handibasketball athletes

Arnaud Faupin, BS; Philippe Campillo, MS; Thierry Weissland, MS; Philippe Gorce, PhD; André Thevenon, PhD

Laboratoire d'Etudes de la Motricité Humaine, Université de Lille 2, Faculté des Sciences du Sport et de l'Education Physique, Lille, France; Centre de L'ESPOIR, Lille, France; Laboratoire Ergonomie du Sport et Performance,
Université de Toulon-Var, La Garde Cedex, France; Centre Hospitalier Régional Universitaire de Lille, Service de Médecine Physique et de Réadaptation Fonctionnelle, Unité d'Analyse du Mouvement, Lille Cedex, France
Abstract — The wheel camber of a wheelchair is a significant parameter that must be taken into account in the search for optimal regulation of a wheelchair. This study examined the effects of different rear-wheel camber (9°, 12° and 15°)-today used mainly in the handibasket championship-on the various kinetic and kinematic parameters of the propulsion cycle. Eight males, all players in the French handibasket championship, were asked to participate in this study. They performed three 8 s maximal sprints as measured by a wheelchair ergometer, 9°, 12°, and 15° of rear-wheel camber. The results of our study show that residual torque increases in proportion to the increase in wheel camber. This could explain other study results, which show a decrease in mean velocity and an increase in both power output and time of the propelling phase, in relation to the wheel camber. These results should provide the information necessary for optimal wheelchair regulation.
Key words: basketball, biomechanics, camber, propulsion, wheelchair ergometer.

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