Question

What does Percussive and Sustained mean in dance?

Answer 1

Sustained = slow, smooth, continuous, even.
Percussive = sudden, sharp, choppy, jagged.

Answer 2

Percussive dance is a highly rhythmic and musical dance form that relies on precise execution of foot-based dance patterns

Sustained means a movement quality that is characterized by an even flow of energy resulting in motion that is ongoing and smooth.