Aerial Anatomy for Indestructible Shoulders Experience your anatomy and shoulder biomechanics. Aerial shoulders have to work overhead and upside down. Understanding how they work can allow you to optimize your strength and flexibility and recognizing correctable faults can take you to the next level of your aerial practice. Bio Dr. Emily Scherb is a physical therapist who specializes in the treatment of circus artists. and is the author of the upcoming book Applied Anatomy of Aerial Arts. As an aerialist for over 25 years, circus is her life.