Modern roller derby is a predominately female driven full contact sport. A relatively new and evolving sport, players are yet to benefit from recent advances in wearable technologies. This paper reports on our initial investigations into player attitudes towards the use of technology as a training aid. Our survey results highlight broad support for the development of a wearable training device. Over 300 participants identified the skills they want help with improving and provided some initial feedback on the appropriateness of feedback modalities and location of a wearable training device. We end the paper by introducing our first interaction prototype, TapTrain, that allows skaters to access feedback on their technique while skating.
Figure 1(a) Typical roller derby skate often showing the available space (top right) for sensor pack containing Inertia sensors, Arduino, XBee module and battery with charger/booster (top left) (b) Roller derby skaters during a 'bout' (c) Typical raw sensor data (blue) with filtering results (red) during cross overs showing similar results between estimate and manual logger (black dash) ABSTRACTThe recent resurgence of Roller Derby has seen the game progress to an elite level with leagues becoming increasingly competitive and taking a more structured and athletic approach to training. Leagues that the authors are involved in have expressed a desire for an objective measure of basic skills and a way to monitor improvements in performance especially amongst junior skaters. This paper details the construction of an inertia-sensing platform designed to be safe to wear by skaters. We have identified a skating manoeuvre, the "crossover" that can be automatically detected using a simple filtering and thresholding procedure. We also report on some initial results in automatically detecting when a crossover occurs and provide details of our future work.
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