Natyashastra
भग्नं च स्थानकं नृत्ते चारी चेत्समुपस्थिता । एवं स्थानविधिः कार्यः स्त्रीणां नृणामथापि च ॥ १७७॥
In dance, the posture (Sthāna) is considered broken when a Cārī (leg movement) is introduced. Thus, this is the rule regarding postures to be observed for both women and men.
english translation
bhagnaM ca sthAnakaM nRtte cArI cetsamupasthitA । evaM sthAnavidhiH kAryaH strINAM nRNAmathApi ca ॥ 177॥
hk transliteration by Sanscript