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Tag: ergonomics

Everyday Usability 14 – Learning to use chop sticks

Everyday Usability 14 – Learning to use chop sticks

Learning how to use chopsticks is not an easy task. The fingers need to be in the correct position and it requires fine motor skills to successfully aim at small pieces. After struggling to acquire that skill myself, I wondered how little kids learn to eat with chopsticks. It appears that one option is to follow a guide such as this wiki instruction page. Another option is to invest in special chopsticks for children, also called learning chopsticks. A colleague…

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Everyday Usability 13 – Carpal tunnel syndrome: explanation and improvement

Everyday Usability 13 – Carpal tunnel syndrome: explanation and improvement

What is it? The carpal tunnel is a tunnel out of connective tissue between the bony forearm and hand. The tunnel is a passage for nerves such as for movement of the fingers and haptic feedback of the hand. While using the computer and interacting with a mouse the wrist is strongly bent. This causes a contraction of this nerve tunnel and over longer time the nerves passing through will be damaged. Consequential effects are pain during and after mouse…

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