It should be understood however, that the deep
even diaphragmatic breathing taught as part of the āsana practice is in essence prāṇāyāma and has a profound effect on our system at many levels.
The method of Aṣṭāṅga yoga first stabilizes the body and mind through daily practice of the these first three limbs with attention on deep and
even diaphragmatic breathing, which is in itself a foundational prāṇāyāma.