Feldenkrais Super Rubber Arms More variations on the Feldenkrais Awareness Through Movement lesson 'Rubber Arms' theme. We often do this in the Feldenkrais Method. In fact Moshe Feldenkrais had a definition of intelligence that referred more to the flexibility and the number of ways that a person knew how to do something rather than the amount of information they knew. He had a very high regard for flexibility in life situations and the capacity to adapt. As such, welcome to the Feldenkrais principle of variation within themes and explore your capacity as a contortionist - effortlessly.