50 likes | 137 Vues
Healthy computing. Candelaria Fernandèz. eyestrains.
E N D
Healthy computing Candelaria Fernandèz
eyestrains The display screen may reflect light from overhead lights, task lights, light from windows, or clothing of a light color. The reflections and the resultant glare can increase the difficulty of visual work. The user's age should also be considered in problems of glare since age affects eyesight in general, and glare sensitivity in particular
Back strain A back strain occurs when you injure one or more muscles that move the spine. Most of the time, back strains are caused by lifting heavy objects with a bent spine. They might also be caused by motion done without control, as in wild dancing or other types of movements with abandon.
Handproblems Numerous muscles, ligaments, and sheaths can be found within the hand. The muscles are the structures that can contract, allowing movement of the bones in the hand. The ligaments are fibrous tissues that help bind together the joints in the hand. The sheaths are tubular structures that surround part of the fingers.