Other embodiments provide data related to movement of {HEAD ~ the tibia} in other degrees of {TAIL ~ freedom} 
Other embodiments provide data related to movement of { HEAD ~ the tibia } in other degrees of { TAIL ~ freedom }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL