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The recent progress in sensor technology in terms of better signal acquisition, lower energy consumption and higher integration ability paves the way for a variety of mobile data collection and analysis applications. From a sports perspective, this enables wearable support and monitoring tools that are often realized as Body Sensor Networks (see fig. 1). Different biosignals, like physiological and kinematic data, can be acquired with such networks and pattern recognition methods provide valuable tools for online and offline signal analysis (Eskofier et al., 2009).