Volleyball is a complex discipline with high technical, tactical, and athletic demands on the players. Because of this there is a need for the players to specialise early in certain tasks in the game, such as spiking or setting. Setting is the way in which the ball is hit with the fingertips, the wrist being radially deviated and hyperextended. In spiking, the player hits the ball at the maximum height of a vertical jump, directing the hit downwards on the ball so that the ball cannot be returned. This specialisation causes uniform repetitive loads for the players.

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The inquiry of subjective patient impressions can be performed in anaesthesia departments without much effort. The results help to identify and avoid psycho-vegetative stressing situations and to improve patient satisfaction with anaesthesia.

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