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The effects of electrical stimulation (ES) applied to the ankle musculature while walking on lower limb coordination and on muscle activation were assessed in a child with cerebral palsy (CP) when walking without ES. Three-dimensional lower extremity joint motion and surface electromyographic (EMG) data from the lower extremity muscles were collected before and after a 20-week gait training protocol...
Neuroprostheses use electrical stimulation of paralyzed muscles to produce controlled limb movement. A first generation implanted neuroprosthesis for upper extremity function underwent a successful multi-center clinical trial and received FDA approval in 1997. We have now developed a family of second generation implanted neuroprosthetic systems. These systems provide control of grasp-release, forearm...
The reproducibility of surface myoelectric signal measurements is of paramount importance for clinical applications of electromyography (EMG) techniques. The repeatability of electrically-evoked myoelectric signal shape (M-wave) as well as spectral and amplitude parameters, conduction velocity and elicited torque was tested, in isometric conditions, on the tibialis anterior muscle of 10 normal subjects...
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