Thus, reduced risk of possible damage to {HEAD ~ the vital area} in {TAIL ~ the back} of the knee, and reduced tourniquet time, are primary advantages of the tack device 
Thus , reduced risk of possible damage to { HEAD ~ the vital area } in { TAIL ~ the back } of the knee , and reduced tourniquet time , are primary advantages of the tack device
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH