| 摘要 |
<p>A step-like forearm support (6,7,8) that enables the forearm (1) to rest on a platform (6) that is higher than a computer keyboard (3) or other interface while typing, so that the hands will hang downward and the wrist's angle (α) between the upper back of the forearms and the back of the hands and the angle (β) between the fingers (5) and the back of the hands shall be equal or greater than 180 degrees.</p> |
