Kṛkāṭikā
Cervico-cranial junction (sandhi-marma)
Kṛkāṭikā — at the joint of the head and neck, the cervico-cranial junction (atlanto-occipital articulation). Sandhi-marma, vaikalya-kara — disabling if injured (causing tremor / unsteadiness of the head). Rendered on the back view, where the bony substrate is most accessible.
Point 5 of 13 in Marma Points (Suśruta-saṃhitā)
Cross-tradition overlaps
No overlapping points are registered for this point.
Sources
Suśruta-saṃhitā, Śārīrasthāna 6 (primary_canonical)
Śārīrasthāna 6.26–28 (Acharya ed.) records the paired Kṛkāṭikā marmas at the head–neck junction and classifies them as sandhi-marmas with a vaikalya-kara prognosis.