The squatting posture is the foundation of these yoga exercises. Franklin Sills, Dean of the Polarity Therapy Educational Trust, refers to this as a “return to the fetal position where energies were at a formative stage.” (Sills, 1985, p.149) Dr. Stone's new concept of 'polarity yoga' creates a new opportunity for individuals to free habitual stress patterns, energy blockage, and imbalances. (Sills, 1985 p.149)