Toshiba PORTEGE M400 - Manual (Page 56)

User’s Manual 3-4
Getting Started
Seating and posture
Maintain a comfortable working posture when using your PC where your
body joints are naturally aligned to reduce stress on different parts of your
body. Consider the following:
Posture and positioning of the computer
■ Keep hands, wrists, and forearms straight, in-line and roughly parallel to
the floor.
■ Keep head level, or bent slightly forward, forward facing, and balanced.
Generally the head is in-line with the torso.
■ Keep shoulders relaxed and let upper arms hang normally at the side of
the body.
■ Keep elbows in close to the body and bent.
■ Keep feet fully supported by floor or foot rest.
■ Keep back fully supported with appropriate lumbar support when sitting
vertical or leaning back slightly.
■ Keep thighs and hips supported by a well-padded seat cushion and
generally parallel to the floor.
■ Keep knees about the same height as the hips with the feet slightly
forward.
Lighting
Select the right level of illumination and place your PC appropriately to
minimize glare from overhead lights, desk lamps and windows. Glare on
the LCD or monitor may cause eye strain, eye fatigue or headaches.
Consider the following suggestions regarding lighting your work
environment:
Foot rest
Below eye level
90°angles