The 100th pose in 'Yoga Pose for the Day' is Headstand, which is called the King of all Yoga Poses. Headstand is called Sirsasana in Sanskrit. 'Sirasa' means 'head'.
Similar to Keezhadi excavations which bring to light the rich past of the Thamizh civilization, Thirumoolar's Thirumanthiram draws our attention to the unbelievably rich knowledge possessed by ancient Thamizh civilization in the field of medicine. It will be only right to say that Thirumoolar would have been the world's first anatomical scientist.