The official website of New Ergonomics pioneer A.C. Mandal. This gives a concise and well illustrated overview of the concepts of natural sitting http://w1.1396.telia.com/~u139600392/

This website offers a sobering second opinion on "ergonomic" chairs.

www.the-middle-way.com
"The Middle Way" is originally a concept that arose out of Buddhist sitting practice. But the Middle Way is also a guiding principle in the Alexander Technique. In his book Constructive Conscious Control of the Individual, F.M. Alexander wrote thus of the great, broad, midway path: "It is owing to this habit of rushing from one extreme to another -- a habit which, as I have pointed out, seems to go hand in hand with subconscious guidance and direction -- to this tendency, that is, to take the narrow and treacherous sidetracks instead of the great, broad, midway path, that our plan of civilization has proved a comparative failure."

The Complete Guide to the Alexander Technique "The Alexander Technique is a method that works to change (movement) habits in our everyday activities. It is a simple and practical method for improving ease and freedom of movement, balance, support and coordination. The technique teaches the use of the appropriate amount of effort for a particular activity, giving you more energy for all your activities. It is not a series of treatments or exercises, but rather a reeducation of the mind and body. The Alexander Technique is a method which helps a person discover a new balance in the body by releasing unnecessary tension. It can be applied to sitting, lying down, standing, walking, lifting, and other daily activities..."