One of the most vocal critics of abstract expressionism at the time was New York Times art critic John Canaday. Meyer Schapiro and Leo Steinberg along with Clement Greenberg and Harold Rosenberg were important art historians of the post-war era who voiced support for abstract expressionism.
Keyboards should be of appropriate size and key-spacing to accommodate most users. Generally, the horizontal spacing between the centers of two keys should be 0.71-0.75 inches (18-19 mm) and the vertical spacing should be between 0.71-0.82 inches (18-21 mm) (Figure 9).
Steps. 1  1. Sit up tall. Push your hips as far back as they can go in the chair. 2  2. Sit close to your keyboard. Position it so that it is directly in front of your body. 3  3. Adjust the keyboard height. Make sure your shoulders are relaxed, your elbows are in a slightly open position, and your wrists and hands are straight.