Summer Glau Wu-Shu training for Serenity.
A behind the scenes look at Summer Glau's fighting sequence in the maiden bar in Joss Whedon's Serenity, taken from the Blu-ray. Serenity Blu-ray Extra. Summer Glau talks about her wushu training. She did the stunts herself with her incredible flexibility and with her background as a dancer she was able to do a lot more complex scenes than that one could expect from an actress.