Here's a sequence I used in class as a preparation for parsva bakasana. This arm balance is just the icing on the cake of a practice that focuses on twists and forward bends.
A two-step yoga practice for your hips! For lack of a better word, hip flexors tend to be jacked due to sitting and also, particularly relevant to belly dancers, they are held contracted because we tend to use a bent-knee posture a lot of the time.
A little yoga history about the lineage of Krishnamacharya and I ask: what are you curious about?