Backbends are not poses meant for expressionism. Backbends are meant to understand the back parts of our bodies. The front body can be seen with the eyes, but the back body can only be felt. That's why I say these are the most advanced postures, where the mind begins to look at the back.
B.K.S. IyengarAs breath stills our mind, our energies are free to unhook from the senses and bend inward.
B.K.S. IyengarDo not allow past experiences to be imprinted on your mind. Perform asana each time with a fresh mind and with a fresh approach.
B.K.S. IyengarThere is no progress toward ultimate freedom without transformation, and this is the key issue in all lives.
B.K.S. Iyengar