Kundalini Yoga as taught by Yogi Bhajan is an ancient practice of meditation and yoga centered on different kriyas (sets) which involve movement, sound, breath, hand position, focus and meditation. It is often described as a science of angles, or a geometry for the human self. Every angle created within the body is designed to bring about positve effects on the mind and body. After been handed down from master to student over thousands of years in India, a Sikh known as Yogi Bhajan introduced the praactice to the West in the 1960s. It is known as the 'yoga for householders.