Bhujangasana is a yoga pose done on the stomach on the floor. The chest and torso curl upwards away from the floor. Representing the snakes body and the arms and head the Cobras hood. The hands are used only lightly and not traditionally used to push up into the pose as the snake has no limbs.
Bandha is a word that you will often hear your yoga teacher using in class, to explain how to enhance your yoga practice. Like a mysterious key to unlocking the techniques and the benefits.
But, for many yoga students, Bandhas remain just some distant, illusionary idea. In order to truly take your understanding of yoga and your physical yoga practice to a new level; a deep and practical understanding of bhanda is essential.