{HEAD ~ The rib foot} is then scanned or mapped to generate the surface profile of {TAIL ~ the rib foot} 
{ HEAD ~ The rib foot } is then scanned or mapped to generate the surface profile of { TAIL ~ the rib foot }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL