[Response to A New Key posting]
Maybe the key could consist of a “back to normal” sign drawn on top of an action stroke, as shown below.

Dance Notation Bureau is a 501(c)(3) non-profit organization dedicated to the preservation, documentation, and dissemination of dance choreographies through Labanotation.
Dance Notation Bureau is a 501(c)(3) non-profit organization dedicated to the preservation, documentation, and dissemination of dance choreographies through Labanotation.