From Wiktionary, the free dictionary
The exercise name has developed as a reference to the figure of Bruce Lee titled in his most famous Chinese films 龍／龙 (lóng, “dragon”).
dragon flag (plural dragon flags)
- Used other than figuratively or idiomatically: see dragon, flag.
- A core exercise consisting of lying face-up, gripping a support over the head and raising the rest of the body below the upper back up to over the face and then backing it down reversely to parallel the ground.
