The bodily symptoms which are manifested by a devotee in expressing ecstatic love for Kṛṣṇa are called anubhāva. Practical examples of anubhāva are as follows: dancing, rolling on the ground, singing very loudly, stretching the body, crying loudly, yawning, breathing very heavily, neglecting the presence of others, drooling, laughing like a madman, wheeling the head and belching. When there is an extraordinary excess of ecstatic love, with all of these bodily symptoms manifested, one feels relieved transcendentally.
These symptoms are divided into two parts: one is called śīta, and the other is called kṣepaṇa. When there is yawning, it is called śīta, and when there is dancing it is called kṣepaṇa.
Dancing
While watching the rāsa dance performed by Lord Kṛṣṇa and the gopīs, Lord Śiva beheld the beautiful face of Kṛṣṇa and immediately began to dance and beat upon his small ḍiṇḍima drum. While Lord Śiva was dancing in ecstasy, his eldest son, Ganeśa, joined him.
Rolling on the Ground
In the Third Canto, 1st Chapter, 31st verse, of Śrīmad-Bhāgavatam, Vidura inquires from Uddhava, "My dear friend, is Akrūra in an auspicious condition? He is not only a learned scholar and sinless, but he is also a devotee of Lord Kṛṣṇa. He has such ecstatic love for Kṛṣṇa that I have seen him rolling upon Kṛṣṇa's footprints in the dust as if bereft of all senses." Similarly, one gopī gave a message to Kṛṣṇa that Rādhārāṇī, because of Her separation from Him and because of Her enchantment with the flavor of His flower garlands, was rolling on the ground, thereby bruising Her soft body.