Human: Is it normal to experience back pain after sitting at a desk all day? Assistant: 
It is common for people to experience back pain after sitting at a desk all day. However, there are steps you can take to reduce the risk of developing back pain while working at a desk. These include making sure your chair is comfortable and adjustable; taking regular breaks; stretching and strengthening exercises; using ergonomic products such as an armrest or keyboard tray; and adjusting the height of your desk so that your feet rest flat on the floor when seated.