The acquired motion NMR data is processed on {HEAD ~ line} to produce a signal indicative of the displacement of {TAIL ~ the abdominal wall} from a reference position 
The acquired motion NMR data is processed on { HEAD ~ line } to produce a signal indicative of the displacement of { TAIL ~ the abdominal wall } from a reference position
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH