95dc162e_Glossary_of_Dance_Terms__m_Dance_Dictionary_from_Webref
Core
Sometimes called "center." The group of muscles in the center of the body, encompassing the abdomen, lower and upper back, hips, buttocks, and inner thighs. In all dance movements, the core must be engaged. Beginning dancers often have a hard time finding the core in their bodies and engaging it.
Glossary of Dance Terms
Description Glossary of Terms and Abbreviations from BallroomDancers.com Dance Dictionary from Webref