Hatha yoga classes in Porto. Hatha is an ancient practice developed in India and Nepal. Today, it is one of the most popular practices in the West, based on the combination of postures (asanas) and breathing techniques (pranayama). It can be as smooth or intense as the students can achieve, and the practice and requirement is personalized to the stage of evolution and characteristics of each person. The term Hatha derives from the combination of the concepts of "Ha" (which represents the Sun) and "Tha" (Moon), and Hatha Yoga is a practice of joining these two energies and balance between body and mind. Yoga is always as physical as it is mental… what is physical, mental or spiritual in any Yoga practice is always a very personal experience.