In {TAIL ~ use}, {HEAD ~ a patients thighs} are positioned atop the platform 186 and are spaced apart by the separator 188 
In { TAIL ~ use } , { HEAD ~ a patients thighs } are positioned atop the platform 186 and are spaced apart by the separator 188
REL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH