免费vqn加速软件-免费海外vqn加速-免费加速服务器国外-免费海外pvn加速器-免费加速神器vpm-海外加速器七天试用

Before you blame your chair for your poor posture, make sure your desk is at the correct height. Look at your desk height and the placement of your computer, papers, and keyboard. If your hand tasks and visual target are in the wrong place you can suffer from bad posture even in the best chair.

Articles

• Posture and your eyes
• Work surface height
• Desk size & shape
• Monitor Positioning Guidelines