Abstract
In this paper, we take a hard look at the performance of REMOTE, a sensor network based application that provides a detailed picture of a boat movement, individual rower performance, or his/her performance compared with other crew members. The application analyzes data gathered with a WSN strategically deployed over a boat to obtain information on the boat and oar movements. Functionalities of REMOTE are compared to those of RowX [1] outdoor instrument, a commercial wired sensor instrument designed for similar purposes. This study demonstrates that with smart geometrical configuration of the sensors, rotation and translation of the oars and boat can be obtained. Three different tests are performed: laboratory calibration allows us to become familiar with the accelerometer readings and validate the theory, ergometer tests which help us to set the acquisition parameters, and on boat tests shows the application potential of this technologies in sports.
Highlights
Wireless Sensor Networks (WSN) have been applied to gather data from a large number of scenarios with various purposes such as environmental monitoring [2], structural monitoring [3] or movement tracking [4]
A system has been presented to monitor rowing performance based on wireless sensor networks
The sensor board was equipped with two 3 axis MEMS accelerometers which allows oars and boat motion tracking
Summary
Wireless Sensor Networks (WSN) have been applied to gather data from a large number of scenarios with various purposes such as environmental monitoring [2], structural monitoring [3] or movement tracking [4]. WSN turn out to be miniaturized wireless sensors that provide real-time feedback and in situ analysis of the biomechanics indices of the athletes during training. Athletes improvement depends on multiple metrics that coaches try to study, correlate and understand. Most of the metrics are studied through simple observation or athletes sensations. These information, even extremely useful, is not accurate or completely objective. We show how information related to the rowing technique can be gathered in an unprecedented way and used to track oars and boat motion, monitor the balance of power transmitted by both arms, or monitor the equilibrium and balancing of the athlete during the effort, and objectively determine the endurance of the athlete. The obtained information could be used to follow rower evolution during a season, or to compare its performance to ideal cases or other rowers using the same system
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