For example, during the heelstrike phase of gait, the signal may be temporarily amplified or the waveform shape or {HEAD ~ frequency} changed to match {TAIL ~ the joints} natural rhythm of increased current flow during joint compression 
changed to match
For example , during the heelstrike phase of gait , the signal may be temporarily amplified or the waveform shape or { HEAD ~ frequency } changed to match { TAIL ~ the joints } natural rhythm of increased current flow during joint compression
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH