The body and the implantable magnet are positioned such that the body is shifted to one of the first position and the second position as a function of {HEAD ~ the external magnetic field} resulting in {TAIL ~ a magnetic force} between the magnet and the magnetically soft body 
resulting in
The body and the implantable magnet are positioned such that the body is shifted to one of the first position and the second position as a function of { HEAD ~ the external magnetic field } resulting in { TAIL ~ a magnetic force } between the magnet and the magnetically soft body
OTH OTH OTH OTH OTH OTH OTH 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 HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH