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These guidelines apply to seated as well as
standing postures.
Shoulders:
- No elevated or shrugged shoulders.
- Arms not raised above your shoulder.
- Elbows should rest close to your torso.
- Make sure to provide support if elbows are not close to your
torso
Head/Neck:
- Maximum: 30° of forward bending. (A)
- Maximum: 20° twist from side to side. (B)
Elbows:
- Work in 70 - 135° range, with keyboard tilted to
match. (C)
- Elbows should be relaxed near your torso.
Hand/Wrist:
- Forearm, wrist, and hand should be fairly straight and
not significantly bent in any direction.
- During keying, fingers should be slightly curved but
not curled.
Torso/Thigh: 90 - 120° range. (D)
- Thigh/Knee: 60 - 90° range. (E)
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- Primary work area: (shown in green)
- The area where you frequently perform tasks (e.g.,
typing, using the mouse) without overextending your
upper body.
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- Visual Zone:
- The most frequently looked at objects should be in
the green zones.
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Unit Objectives: Demonstrate the right attitude, ready position, and
keyboarding skills to
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