Exercises are only supplementary! The general feeling I get when I receive such questions is the fear of tiredness of dance practice and hence the search for alternatives. Hence, this video. Yes cardio work and cross training can be very beneficial for dancing for long periods, but these activities can never take precedence over dance practice. Hence the fastest way to get high stamina for dance is to do aduvus, and practise pieces in succession. Learn Bharatanatyam with mindfulness @nritya_nive