Still a further object of the present invention is to provide {HEAD ~ such a prosthetic} which includes {TAIL ~ spherical and smooth surfaces} to minimize damage to tendons and ligaments 
includes
Still a further object of the present invention is to provide { HEAD ~ such a prosthetic } which includes { TAIL ~ spherical and smooth surfaces } to minimize damage to tendons and ligaments
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH