|Ergonomic Chairs (Adjustable seating)|
|Purpose:||To fit different workers, or different postures for the same worker.
To avoid back pain by supporting multiple postures and/or “good” postures; to reduce muscle effort required in sitting.
|Possible Drawbacks or Misuse:||Adjustments can be confusing even with instructions.
No single chair will be preferred by all users; many chairs and chair features can be uncomfortable.
Size extremes (very small or large people) are not well served by the seating industry. There are few office chairs appropriate for these people.
Sitting, especially upright or bent forward, is generally considered harder on your back than standing
Too much sitting and prolonged static postures appear to be an independent risk factor for a group of metabolic disorders that some have labeled Sitting Disease.
|General End-user Instructions:||All adjustments and their purpose should be explained to the end user and posted in a central place. Here are general adjustment guidelines:
Your best posture is your next posture. You need to move and change positions regularly throughout the day. Flex, extend, and wiggle your legs. Contract and relax your leg muscles. Stand, march in place and shift around. Get up and move on your breaks. Suggested alternatives:
|Choices:||Multitudinous. Many adjustments allow:
Basic Considerations- these are the minimum features an ergonomic chair should have
Some chairs offer more passive ergonomic features and controls where, for example, the individuals’ seat pressure (weight) modulates the back support pressure without requiring manual tension adjustments.