This refers to the injuries that accumulate from repeated trauma. You stress one area and then shift your position and create stress in another area over and over
Ergostoreonline (A Division of Ergonomic Resources), Ergonomics Dictionary and Glossary North Carolina, USA 2014. http://www.ergostoreonline.com/ergonomics-dictiona ry.aspx, (Ergo - Amer) {744}