文档介绍：Computer & Desk Stretches Approximately 4 Minutes Sitting at puter for long periods often causes neck and shoulder stiffness and occasionally lower back pain. Do these stretches every hour or throughout the day, or whenever you feel stiff. Photocopy this and keep it in a drawer. Also, be sure to get up and walk around the office whenever you think of it. You ’ ll feel better! Overview 3 21 Action ! 1-1 1 Once more! 1-2 Stand up!