Setting Up a Healthy Work Environment A-1Setting Up a HealthyWork Environment! WARNINGProlonged or improper use of a computer workstationmay pose a risk of serious injury. To reduce your risk ofinjury, set up and use your computer in the mannerdescribed in this appendix.Contact a doctor if you experience pain, tenderness,swelling, burning, cramping, stiffness, throbbing, weak-ness, soreness, tingling and/or numbness in the hands,wrists, arms, shoulders, neck, back, and/or legs.MAKING YOUR COMPUTER WORK FOR YOUComputers are everywhere. More and more people sit atcomputers for longer periods of time. This appendix explainshow to set up your computer to fit your physical needs. Thisinformation is based on ergonomics—the science of making theworkplace fit the needs of the worker.Some nerve, tendon, and muscle disorders (musculoskeletaldisorders) may be associated with repetitive activities,improper work environments, and incorrect work habits.Examples of musculoskeletal disorders that may beassociated with certain forms of repetitive activities includecarpal tunnel syndrome, tendinitis, tenosynovitis, deQuervain’s tenosynovitis, and trigger finger, as well asother nerve, tendon, and muscle disorders.A