This is accomplished while reducing externally placed components that compromise {HEAD ~ the ability} of the tendon to glide through {TAIL ~ the pulleys} 
This is accomplished while reducing externally placed components that compromise { HEAD ~ the ability } of the tendon to glide through { TAIL ~ the pulleys }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL