bˌælɐsˈɑːnə ɪz nˌɑːt dᵻskɹˈaɪbd ʌntˈɪl ðə twˈɛntiəθ sˈɛntʃɚɹi; ɐ sˈɪmɪlɚ pˈoʊz ɐpˈɪɹz ɪn nˈiːlz bˈʌkz nˈaɪntiːnhˈʌndɹɪd twˈɛnti fˈoːɹ pɹˈaɪmɚɹi dʒɪmnˈæstɪks.
Balasana is not described until the 20th century; a similar pose appears in Niels Bukh's 1924 Primary Gymnastics.