Effect of the Environment on the Sport Performance: Computer Supported Training -- Video-based Soccer Ball Detection in Difficult Situations -- Application and UI Design for Ergonomic Heart Rate Monitoring in Endurance Sports -- Modelling Peloton Dynamics in Competitive Cycling: A Quantitative Approach -- Analyzing the Sensorimotor Training using Wireless Sensors: Studying the Effects of Balance Boards with Different Dimensions of Instability -- Scenarios for Sharing Good Practices in Sport Management -- Application of Mobile Technologies in the Preparations for Long Distance Running.