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Working in a Sitting Position - What to Avoid while Sitting

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Why is body position or posture important while sitting?

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Poor arrangement of the workstation encourages an awkward body position. A poor body position or posture can hinder blood circulation, affect the nervous system, and contribute to injuries and illnesses


What to avoid doing while sitting?

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  • Tilting the head forward to prevent neck injury
  • Sitting without lumbar support to prevent back pain
  • Working with arms raised to prevent neck and shoulder pain
  • Bending wrists to prevent wrist pain and muscle cramps
  • Working with unsupported forearms to prevent shoulder and back pain
  • Lifting or dropping the shoulders
  • Keeping elbows far from the body
  • Frequently reaching for things (especially when bending or twisting of the back is necessary)
Avoid working with unsupported...
  • Cramming thighs under a worktable will affect blood circulation.
  • Sitting on a chair that has poor support for your body or stability
  • Rounding the back (slouching)
  • Excessively arching the lower back
  • Leaning forward without supporting bodyweight
  • Reclining the chair’s backrest at an angle greater than 30°
  • Dangling feet

How does sitting on a chair that is too high affect your body?

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  • It puts pressure on your thighs which reduces the flow of blood and can cause varicose veins and swelling in the legs and ankles
  • It puts pressure on the sciatic nerve causing pain or discomfort

How does sitting on a chair that is too low affect your body?

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  • It disrupts blood circulation in lower legs, causing swelling
  • It creates too much pressure on buttocks and causes discomfort
  • It can cause rounding of the lower back, resulting in lower back pain
Avoid sitting on a chair that is too low

How does work at a worktable that is too high affect your health?

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  • It causes bending of the wrists to reach the worktable, or resting the wrists on the edge which  result in damage to tissues and pain
  • It prevents use of proper lumbar support and can cause back injury
  • It makes it necessary to lift the shoulders, causing pain
  • It tires the whole body

How does work at a worktable that is too low affect your health?

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  • It causes excessive rounding and bending of the back to reach the worktable, leading to back pain
  • Bending of the wrists may occur when working on the table (e.g., typing on a keyboard), causing wrist pain
  • Supporting the weight of the upper body causes fatigue

 


  • Fact sheet confirmed current: 2022-09-28
  • Fact sheet last revised: 2022-09-28