During the practice of this asana, the front and back parts of the body are lowered and the middle part is raised, the body assumes the shape of an ostra; That is why it is called Ustrasan. Stand with knees bent. Wrap the legs. Then, while exhaling, raise the chest and lower the head back and hold the foot tube of the left foot with the left hand and the right foot immediately above the heel of the right foot. As soon as the asana is done in this way, the chest will be raised and the body will become almost semi-circular. Stay in this posture for 10/15 seconds while holding your breath; Then inhale slowly and come back to a straight position. After some rest, perform the action again and be disciplined. Similarly perform the action 3/4 times.