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Previously conducted trials comparing the gait pattern of individuals with a transfemoral amputation using a user-adaptive and a non-microprocessor-controlled prosthetic knee (NMPK) found mixed and conflicting results. Few trials, however, have compared user-adaptive to non-adaptive prosthetic knees across different walking speeds. Because of the ability of variable damping, the effect of user-adaptive...
Advancements in prosthetic knee design have led to biologically inspired microprocessor-controlled prosthetic knees. The added value of these devices has been extensively studied in walking. However, trials into the activity pattern of persons with an amputation show that the majority of ambulation activities are short in duration. This means that a high percentage of ambulatory activities involves...
In this study we determined if detection of the onset of gait initiation in transfemoral amputees can be useful for voluntary control of upper leg prostheses. From six transfemoral amputees inertial sensor data and EMG were measured at the prosthetic leg during gait initiation. First, initial movement was detected from the inertial sensor data. Subsequently it was determined whether EMG could predict...
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