Making himself into a “minimalist” prop sculpture in the manner of Richard Serra, Nauman moves through various poses in realtion to the floor and wall. While other sculptors were using wood planks, pieces of lead, or sheets of steel, Nauman uses his body to explore the space of the room, turning it into a sort of yardstick to investigate and measure the dimensions of the space. This title was in the original Castelli-Sonnabend video art collection.