| 摘要 |
<p>Ergonomic systems and devices are disclosed. In accordance with the embodiments of the invention, a system or device includes a traction surface that provides traction and/or support through contact with a portion of a user's body. For example, an ergonomic system includes a backrest cushion. The backrest cushion has a traction surface with a plurality of protruding traction pads for resting against a user's back and pulling along the user's back. The traction pads help stretch or decompress the user's spine through contact at multiple positions on the back and flanking the spine. In alternative embodiments of the invention, a chair, resting table, bed or other article of furniture includes one or more traction surfaces that provide traction through contact with one or more corresponding portions of a user's body.</p> |
