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This paper proposes a novel wearable system and assesses its reliability in monitoring sagittal knee movement, and discriminating between activities of daily living. The system consists of a flexible conductive polymer unit, embedded into a pair of leggings at the level of the knee, interfaced with a customized sensing node for wireless data acquisition. Design constraints included the need for the...
This preliminary study reports on the combined use of wireless accelerometers and wireless EMG sensors for monitoring walking patterns. The sensor data was analyzed in frequency domain through FFT, PSD and time-frequency spectrogram analysis. Accelerometer spectra was found to shift towards lower frequencies (<3 Hz) while EMG spectra of selected muscles shifted towards higher frequencies (>50...
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