c7f619ed__it_fast___Dohrmann_Consulting__Common_contributing_factors
[Body part fatigued] Lower back [What can you try] Adjust back rest height and angle to give firm support, remove arms from chair, remove obstructions under desk (eg drawers) [Common contributing factors] 
Inadequate lumbar support
Spot the office pain, and fix it fast | Dohrmann Consulting
Common contributing factors