Side Crow and Side Crane Pose: How to Practice Parsva Bakasana
The key to Parsva Bakasana (Side Crow or Side Crane) is twisting enough to place the outer edge of one upper arm on the outside of the opposite thigh.
United States Sarah Ezrin Parsva Kakasana Parsva Bakasana Chaturanga Dandasana Christopher Dougherty
Source: yogajournal.com