 Parshvasana (Side Stretch Pose), also called Indudalasana, known from 1968, has the arms lifted and the body stretched over to one side.Anuvittasana or Hasta Uttanasana (Standing Back Bend), has the arms raised and the back arched.An extreme form of the pose is Tiryang Mukhottanasana, in which the back bend is sufficient to enable the hands to grasp the ankles.