The second series begins with noose pose and then flows into heron, followed by a series of back bends, including locust, frog, bow, side bow and camel poses. The back bends provide a range of benefits, including improving posture, opening the heart center, and improving lung function. The back bends are followed by counterbalance poses and then deep forward bends, which assist nerve cleansing and increase blood flow to the spine, lungs and heart.