It is very important in the sense that once you practice this cardinal asana, you re slated for a number of benefits which re very scientific and wonderful t the same time! This pose gives your spine its natural posture, pacify your breathing process nd mind. There is a myth that this asana cretes electric flow in the spine. Yes we have heard bout some marine animals which can produce electric shock in their body, So it might not be an absolute absurdity (Electric fish such as the marine electric ray (genus Torpedo) and the freshwater electric eel (Electrophorus electricus)) ! It does justice to your shoulders, prt from other spinal areas like waist and neck. Mostly acclaimed as a basis for meditation, it enhances attention and concentration of the mind especially required for the students and office-goers. Can we say it a panacea for all the ills of life ? Practice to justify whether it is a Truth, Myth or just a Cliche.