A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 5/01 (2006.01) A47C 20/02 (2006.01) A61G 7/07 (2006.01)
Patent
CA 2054992
The posture board according to the present invention is contoured to a spinal mating shape. The board comprises an upper back supporting portion having a leading edge and a lower back supporting portion terminating in a trailing edge. The board has a longitudinally extending sine wave configuration with an up curve at the lower back supporting portion. The board further has a side to side concave curvature defining a trough like center region and upwardly turned outside edges. The center region along at least part of the upper back supporting portion and at the trailing edge is in contact with the supporting surface on which the posture board is used. The up curve defines a gap beneath the center region along the lower back supporting portion and the supporting surface. The outside edges of the board are more flexible than the center region to allow some edge flattening while the center region is much less flexible to prevent lengthwise full flattening of the board at the center region under weight of a user such that the board provides vibratory feedback responsive to body vibrations given off by the user.
Dennison Associates
Shields Mary
LandOfFree
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