Essential Office Chair Features – Part III

5.  Seat pan front edge

  • The front edge of the seat pan in some chairs is not padded or contoured properly.
  • If the front edge of the seat pan causes contact stress at the back of the knees, blood supply will be lacking and may result in numbness and/or cramping.
  • The front edge of the seat pan should have a waterfall edge (gently sloping) with proper padding.

6.  Back rest design

  • The back rest in some chairs is too big, too small, or not the right shape.
  • If the back rest doesn’t fit the back properly, there will be discomfort from pressure points and there may be a reduction in range of motion for the shoulders (when the back rest is too wide).
  • The back rest should fit the back properly and be smaller at the top to allow for shoulder movement.
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