Patent ID: 8398170

Claim:
A contoured seat, comprising: a seatback and a seat pan connected to the seatback, the seatback having anatomical supports for a seated user; said anatomical supports comprising: a seatback sacral support having a top portion and a bottom portion narrower than the top portion the sacral support being configured to isolate the sacral region from other anatomical regions of the seated user's spine, a seatback lumbar vertebra complex support configured to isolate the lumbar vertebra complex region from other anatomical regions of the seated user's spine, a seatback ilium and para-vertebral support configured to isolate the ilium and para-vertebral region from other anatomical regions of the seated user's spine, a seatback thoracic support configured to isolate the thoracic region from other anatomical regions of the seated user's spine, and a seatback scapular support configured to isolate the scapular region from other anatomical regions of the seated user's spine, each seatback support being adjustable toward and away from the seated user; wherein the seatback lumbar vertebra complex support has a top portion having a first width, a bottom portion having a second width and an intermediate portion connecting the top portion and the bottom portion, the intermediate portion smaller than the first width and the second width.