नाट्यं नृत्तं च सर्वं हि सौष्ठवे सम्प्रतिष्ठितम् । कटीनामभिचरौ हस्तौ वक्षश्चैव समुन्नतम् ॥ ९४॥
All aspects of Nāṭya (dramatic performance) and Nṛtta (pure dance) are based on Sauṣṭhava (graceful poise). It is characterized by the hands moving near the waist and the chest being raised.
english translation