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