1, stretching, loosen the bones, every hour to do 2, push down push down push down, every hour push loose hand tendons! 3, do not want to become stiff neck, have to turn around, both sides turn! 4, million, million, million, every hour to turn the arms! 5, office sitting posture has to be careful! 6, take the mouse has the correct posture Oh!!!! 7, remember to turn the foot every hour to loosen the tendons 8, remember to loosen the hands every hour to stretch the tendons 9, remember to kick the legs every hour, stretch the tendons