Monitoring and feedback of tibial shock using wireless skin mounted sensors could reduce the risk of injury in runners. The purpose of this study was to assess the agreement between a wireless sensor and a skin mounted accelerometer in measuring peak tibial acceleration during running. A skin mounted laboratory standard accelerometer was mounted to a wireless inertial sensor and attached to the tibia. Peak positive tibial accelerations of 13 participants were compared at 2.5 ms-1, 3.5 ms-1 and 4.5 ms-1. Intraclass correlation coefficient demonstrated good agreement. Limits of agreement showed accuracy to within 1.2 - 1.65 g. The inertial sensor can be used as a tool to measure peak tibial accelerations during running for the purpose of real-time feedback in a gait training system.
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