Pūrṇa (full)—in energy and arrogance. Kampita (trembling)—in anger and joy. Kuñcita (contracted)—in horripilation (sensitive) touch, cold, fear and fever.
प्राकृतं शेषभावेषु गण्डकर्म भवेदिति । विवर्तनं कम्पनं च विसर्गो विनिगूहनम्॥१४२॥
Sama (natural)—in the remaining conditions. Gestures of the lips are six in number. (They are): Vivartana (narrowing), Kampana (trembling), Visarga (spreading out), Vinigūhana (concealing).
Sandaṣṭaka (biting) and Samudgaka (contracting) are six gestures of lips . Vivartana (narrowing)—lips narrowed down. Kampana (trembling)—throbbing (of lips).