This study used video analysis to examine how similar the coordination values obtained in a submaximal protocol were to those obtained in maximal testing. This three-part experiment examined the effect of relative intensity, the distance swum and expertise (during maximal 400-m testing) on the Index of Coordination (IdC) as defined by Chollet et al. (2000). The results showed that IdC increased with increased relative intensity during 300-m freestyle testing and that it did not vary significantly with the distance swum, whatever the level of expertise, during maximal 400-m freestyle testing. These findings suggest that the IdC adaptations can be assessed at all swimming speeds on the basis of a short-distance protocol, as proposed by Chollet et al. (2000).
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