Patent ID: 7338123

Claim:
An ergonomic chair comprising: a seat back having a superior portion and an inferior portion, the superior portion protruding forward greater than the inferior portion, a seat back transition being located where the inferior and superior portions meet, the inferior portion providing an acute angle to support a user's lower lumbar spine and the superior portion providing a graduated angle to support the user's mid to upper lumbar spine, wherein an angle of the seat back is from vertical to about 5 degrees back slant from the seat back transition to avoid a forward head posture; a seat bottom operatively associated with the seat back, said seat bottom being constructed and sized to support the user's ischia and buttocks with no weightbearing through the user's thighs when the user is in a sitting position on the seat bottom with the user's back being fully against the seat back, wherein the seat bottom has a length of about 10 to about 14 inches; and a seat post and base constructed and arranged supporting the seat bottom and seat back at a height such that when the user is sitting in the chair the user's thighs are in a range of from about horizontal to about 20 degrees below horizontal.