In one embodiment, an apparatus is provided that quantifies the rotation of the tibia in {TAIL ~ response} to {HEAD ~ a known torque} 
In one embodiment , an apparatus is provided that quantifies the rotation of the tibia in { TAIL ~ response } to { HEAD ~ a known torque }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD