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