Natyashastra
व्यायामे ताण्डवे चैव कार्यमुद्वर्तनं बुधैः । निवर्तनं तु कर्तव्यं सम्भ्रादिपरिभ्रमे ॥ २५७॥
Udvartana (springing up) should be employed in physical exercise and in the Tāṇḍava dance. Vivartana (turning round) is to be used in hurried or bewildered circling movements.
english translation
vyAyAme tANDave caiva kAryamudvartanaM budhaiH । nivartanaM tu kartavyaM sambhrAdiparibhrame ॥ 257॥
hk transliteration by Sanscript