Ballerina's Bend, also known as a plie, is a ballet move that involves bending the knees while keeping the back straight. It is used to prepare for jumps and other movements, and is an essential part of a dancer's training. The term 'plie' comes from the French verb 'plier, ' which means 'to bend.' Ballerina's Bend is a fundamental move in ballet and is used to transition between steps and to help dancers maintain balance.