Sit on the edge of a bed and alternately bend your wrists forward and back on the mattress, with locked elbows. A deliciously stimulating sensation for computer users and cashiers.
Sit on the edge of your bed or any other firm surface where there is space to put your hands down on either side of you. Stretch the hand back by placing the palm face down with your fingers towards you. Lean into it a bit and then release. Repeat this on the other side. Now go back to the first hand again and do the opposite: place the back of your hand downwards, fingers still pointing towards you. Lean into it for a moment, and then switch to the other side. Now just rhymically move back and forth: right, left, right, left, and so on. Keeping your elbows locked helps.
Good for …