This paper presents a wearable system for long term monitoring of knee kinematics in the home and community settings. The system consists of a knee sleeve with embedded sensors to track knee flexion/extension movements and to monitor compliance with the use of the knee sleeve.Knee flexion/extension movement data is captured using a potentiometer. Compliance with the use of the knee sleeve is monitored by using an e-textile sensor that measures the knee sleeve fabric stretch thus allowing one to infer whether the subject wears the knee sleeve. The system is also equipped with a wireless unit that has the capability of relaying data to a smart phone. The smart phone can be used as a gateway to provide remote access to the data. Comparison of measures gathered using the proposed wearable system and a stereo photogrammetric system for biomechanical data collection demonstrates the reliability of the knee kinematic data collected using the proposed knee sleeve.
This study demonstrates the feasibility of use of an exoskeleton-based interactive gaming system in the burn population. Future studies are needed that examine the efficacy of tailoring interactive video games to the specific joint impairments of burn survivors.
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