Dennis Sturm of KTH in news article on improved elite kayaking:

• http://www.kth.se/aktuellt/snart-kan-tranaren-ersattas-av-mobilen-1.83650
• http://www.flemingsberg.se/sv/Nyheter/Nyheter-och-press/Ny-teknik-for-att-hitta-OS-formen-/

Research paper related to this in Sport Science section of Design for Wellbeing site.