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