Typing or just browsing for long hours can stress the hands and arms, and sitting in a static posture for extended periods may lead to cramped muscles and pinched nerves, research suggests this to be a big problem especially the older you get.
 
That's why many occupational health professionals advise warming up before work and performing stretches and
exercises throughout the day. Think of it as ergo-robics.

HIT the Interactive button in the picture above to start through the exercises.