There isn't a single finger specifically designated for digestion. However, the concept of mudras in yoga practices associates specific hand gestures with bodily functions, including digestion.
Mudras and Digestion
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Pushan Mudra: This mudra, also known as the "gesture of digestion," is described as activating prana vayu (energy of receptivity) and samana vayu (energy of digestion). Source: Yogainternational.com It involves folding the ring finger and pressing it down with the thumb. This is not a finger for digestion, but a hand gesture associated with improving it.
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Prana Mudra: This mudra also plays a role in enhancing metabolism and improving digestion. [Source: Prana Mudra information provided] The exact finger positions may vary slightly depending on the practitioner's interpretation, but it similarly involves a specific hand gesture and is not about a single finger itself.
While some practices associate specific finger positions with energy pathways linked to digestive processes, no scientific evidence definitively links one particular finger to digestion. The references provided highlight the importance of the gut microbiome, dietary factors, and specific hand positions in yoga as methods to improve digestion. The connection, however, does not attribute any direct control over digestion to a specific finger.
