Spiritual journey starts from the physical body, and progress through our mine, ultimately to the soul, the center of our being. The goal is to integrate the five levels of human being, which in Yoga are called Koshas. Those layers of being must be in harmony with each other to reach a wholeness of our existence. When these five levels are not integrated, we inevitably experience the alienation that causes all problems not only with other people but also with ourselves.
The outermost layer is our physical body called Annamaya Kosha. The physical Kosha is an anatomical body that is not only our skin, muscle and bones but also encompasses the other four subtle Koshas. These sheaths include Pranamaya Kosha, our energetic body, Manomaya Kosha, our mental body, Vijnanamaya Kosha, our intellectual body, and the most centric body or our soul body, Anandamaya Kosha. When these bodies are clash with another, we experience disintegration. On the other hand, when they are in harmony with one another, the integration and unity are achieved. To achieve the entireness state we desire, it has to be communication between each another, from the inner level to the other level and the outer to the inner.
It is essential to understand that the physical body is not separated from the mind and soul. We cannot neglect our outer body, nor are we became too much focused on it. The continuous practice of yoga allows us to live fully as spiritually as well physically. By yoga practice, we experience greater benefits, and positive changes take place not only physical strength. We can understand better how our soul and mind work and by that we do not make the same mistakes. There are not tangible borders between the Koshas because a human being is a continuum.