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