The Humpty Bump is the second vertical maneuver taught in most aerobatic programs, directly following the Hammerhead. The maneuver consists of two vertical lines connected by a half circle flown across the top. 

In addition to giving a recovery from vertical flight, "humps" provide an excellent platform for vertical rolls, up and down, and  a convenient way to rebuild airspeed (it is not necessary to begin and end at the same altitude). 

This animation depicts the most common form of the Humpty Bump: a "pull-pull-pull," composed of three Positive G changes of direction. Another common variant  involves a "push" across the top instead of a pull. 

Click anywhere in image to repeat
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