How total work during rowing ergometry relates to the performance of three main body segments (arms, legs, trunk) was analyzed. A strong positive relationship was found between each segment and total performance. However, when all data were combined and partial correlations computed, there was a strong and significant relationship between total work and trunk action, a weak negative relationship with the legs, and a non-significant relationship with the arms. Implication: The major focus for force production in the technique of rowing should be the trunk action. To emphasize either the legs or arms over the trunk would be to coach a style that is not associated with the most effective power. The arms and legs should be used to facilitate the complete and most effective action of the trunk possible.
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