It is assumed that a high impact height and therefore a high jump height is a relevant factor for success in volleyball spikes. The purpose of the study was to investigate whether the speed of the vertical movement of the centre of mass during the approach phase affects the jump height or not. Therefore, spikes from position IV were analysed at a tournament of the European League. Results showed that the faster the COM can be lowered and the faster the direction of the COM movement can be turned into an upward movement, the higher the jump height can be. This should be addressed within the training process.
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