Emily Vancamp is a highly trained ballerina so I'm sure they are using that to their advantage for her character.
Regarding her kicking Bucky, from her expression she looks like she got spooked. Depending on whether or not he is in WS mode, he may or may not attack her back.
Regarding her kicking Bucky, from her expression she looks like she got spooked. Depending on whether or not he is in WS mode, he may or may not attack her back.