{HEAD ~ The present invention} relates to apparatuses and {TAIL ~ methods} for evaluating the performance of a joint 
relates to
{ HEAD ~ The present invention } relates to apparatuses and { TAIL ~ methods } for evaluating the performance of a joint
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH