Left ring — earth (pṛthvī)
Anatomical-left hand
The anatomical-left ring finger mirrors the earth locus. Its paired placement makes the bilateral circuit readable without implying a diagnostic or physiological finger test.
Point 9 of 10 in Mudrās — Hand Element Circuits (मुद्रा)
Cross-tradition overlaps
No overlapping points are registered for this point.
Sources
Vasant Lad, Ayurveda: The Science of Self-Healing (secondary)
Hand-mudrā section, five-element finger correspondence; ring finger is assigned to earth in the convention used here.
Haṭha Yoga Pradīpikā (primary_canonical)
Chapter 3, Mudrā-prakaraṇa (verses 1–126), documenting mudrā as a yogic seal and gesture practice.