Force/torque sensors are used for an estimation of human functional condition, analysis of neurologic and orthopedic pathologies. The signal measured by the force/torque sensor, contacting with a human body, has an integrative character. It includes the mechanical components caused by a motion control system, and also, respiration, cardiac rhythm, etc. This effect is observed in the frequency content of sensors. The problem of spectral components separation caused by activity of congenerous muscles during human postural micromovements is considered.
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