The index, middle and ring finger correspond to vata, pitta and kapha on the wrist at radial artery. The movement of blood in this artery, which results in contraction and relaxation of the blood vessel, sends out signals.. A vaidya or an ayurvedic doctor will have exact knowledge to make sense of the pulse or the signals that come from the pulse.The origin of this approach is in knowing that all living beings occur from nature and there are five natural elements in the whole of the universe, in everything. Those 5 natural elements are Earth, Air, Water, Space and Fire. Every individual possesses a combination of these five elements at different degrees. If you have heard of Pancha Bhoothas, yes, we’re talking exactly about that.