Complex sentence: Ruthy Alon was among the first students of Moshe Feldenkrais, with whom she trained since 1958 and participated in the expansion of the Feldenkrais Method around the world, contributing to the development of professional Feldenkrais practitioners in Europe, the United States, Australia, and Israel.
Split into simpler sentences: Ruthy Alon was among the first students of Moshe Feldenkrais, with whom she began training in 1958. She participated in the expansion of the Feldenkrais Method around the world, contributing to the development of professional Feldenkrais practitioners in Europe, the United States, Australia, and Israel.