Sunday, March 06, 2005

Be careful when handling handhelds

The alert has been raised by the American Society of Hand Therapists: Apparently, heavy and extended use of portable electronic devices — Pocket PCs, BlackBerrys, cellphones and iPods — can cause long-term damage.
"Handheld electronics may require prolonged grips, repetitive motion on small buttons and awkward wrist movements," said society president Donna Breger Stanton. "This combination can lead to hand, wrist and arm ailments such as carpal tunnel syndrome and tendinitis."

The therapists have released several guidelines for using such devices. Among them:

* Use a neutral grip (wrist straight) when holding the device.
* Switch hands frequently. This allows one hand to rest.
* Do hand exercises: (list) ...

Blackberry - User Interface Design, Human Computer Interaction (HCI), Ergonomics

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