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1
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2
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3
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4
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- Work set-up- lack of equipment flexibility can facilitate chronically
poor postures in a work environment
- Inadequate muscle strength- weaker
muscles fatigue more quickly and are less able to respond to greater stresses
- Inadequate flexibility- increased
muscle tension, affects metabolic processes
- Somatic perception- person may ignore signals to alleviate stresses (ex:
squirming in a chair)
- 5. Vibration- increases tissue
stress
- 6. Other medical factors- DM, CVD
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5
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6
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7
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- The longer you assume the same posture, the greater the stress on your spine
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8
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9
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10
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11
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12
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13
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- Adjust chair so feet are firmly on the floor and your knees at or slightly lower than your hips
- Hips should rest against back of chair with adequate lumbar support
- Shoulders relaxed with elbows at side, forearms level with ground
- Your straight-ahead vision should be equal with the top ¼ of the screen
(exceptions: majority of work done in lower quarter of the screen
- 5. Move hands across keyboard,
use full arm while moving mouse, and use wrist rests for rest only
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14
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15
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16
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17
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Notes