Yoga Mudra, Ayurveda and the Chakras

Thumb = Fire
Index finger = Air
Middle finger = Heaven/Ether
Ring finger = Earth
Little finger = Water
In yoga, the chakra corresponding to each finger
Thumb = Solar plexus/manipura
Index finger = Heart/anahata
Middle finger = Throat/vishuddhi
Ring finger = Root/muladhara
Little finger = Sacral/svadisthana