In order to understand how specific movements are performed, it is important to describe the specific movement under consideration with high accuracy. Assets and drawbacks of these movements can only be understood, if it is possible to describe movements with close-to-reality and artifact-poor time histories for the inner co-ordinates. By modelling it is possible to gain further information about movement. For example it is possible to forecast effects of changes in coordination techniques. Another advantage is the quantification of motion details using inverse kinematics. Therefore, joint angles can be analyzed more accurately in a competition setting without using marker sets. The aim of this study was to perform inverse kinematics for a volleyball spike under competitive conditions and to investigate the shoulder angles by modelling methods.
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