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floorwork

n. Any part of dance or aerobics performed close to the floor.

Wikipedia
Floorwork

In dance, floorwork refers to movements performed on the floor. Floorwork is used extensively in modern dance, particularly Graham technique and Hawkins technique, as well as in vernacular breakdancing. Some dance training practices, notably Floor-Barre, consist entirely of floorwork.

Floorwork changes the body's relationship with gravity, and requires dancers to navigate between higher and lower levels ("going in and out of the floor"). These features are central to the use of floorwork in choreography, and also affect its role in technique classes. Executing floorwork smoothly requires flexible joints, a relaxed body, and attention to the kinesthetic feedback provided by the floor.

The "low" or floorwork level is one of three principal spatial levels dancers may occupy, along with the middle or bipedestrian (upright) and the high or aerial (jumping) levels.