Vietnam-era radical Bill Ayers said he doesn't know President-elect Barack Obama any better than thousands of other Chicagoans and the two never talked about Ayers' anti-war activities.
Learn all about the chair's adjustable features. Sit in the chair with your feet on the ground. You want to achieve a chair height that allows you to sit all the way back with your feet on the floor. Push the height adjustment lever backward to move the chair up and down. It is typically on the right side of the chair.
First fit your chair, then your desk. Consider your chair and desk as a unit: both must fit you. Determine your chair height first, then determine your work surface height. A chair alone rarely controls how you sit. Your line of vision, the activity of your arms, and the physical demands of your particular task will influence your posture.