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