Tree Pose is called Vrksasana in Sanskrit. The term 'vrksa' means 'tree'. Performing the pose promotes balance of body and mind and hence is rightly called Tree Pose.
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.