{HEAD ~ This invention} relates to a chair to be used by workers such as programmers who spend long periods of time in chairs and particularly to {TAIL ~ a chair} that provides knee restraints together with lower back restraint that relieve strain on the back 
{ HEAD ~ This invention } relates to a chair to be used by workers such as programmers who spend long periods of time in chairs and particularly to { TAIL ~ a chair } that provides knee restraints together with lower back restraint that relieve strain on the back
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH