Natyashastra
अग्रगौ पृष्ठगौ वापि ह्यनुगौ चापि योगतः । पादयोस्तु द्विजा हस्तौ कर्तव्यौ नाट्ययोक्तृभिः ॥ ४७॥
O Brahmins, in all these cases the two hands should according to the circumstances, either precede, go simultaneously with or follow the feet.
english translation
agragau pRSThagau vApi hyanugau cApi yogataH । pAdayostu dvijA hastau kartavyau nATyayoktRbhiH ॥ 47॥
hk transliteration by Sanscript