Some think the phrase "break a leg" refers to crossing the "leg line" on stage. This was an invisible line separating the main stage from the wings, where actors would wait to go on stage.

Medically reviewed by Theresa Marko, PT There are three main bones in the leg. The femur is the long bone in your thigh that ...

"Break a leg out there!" This use carries the same meaning: You hope for their success and wish them luck. Before a job interview: Suppose someone is about to go in for an important interview ...