Bending the wrist far backward, either by means of letting it fall backwards limply, or having it pressed up against something. The opposite of [[palmar flexion]]. 

h4. Usage examples
* "No thanks"; "I don’t want it" gesture.
* [[Rejection]]; "Go away" gesture.
* Indicating towards something. (Note that in Japan, [[pointing]] with one's finger may be considered rude, so using the whole hand is a polite/formal alternative).
* "Effeminate poses"; [[girly running]], [[girly boy]], etc.
* "Why?" gesture.
* "Rebellious", "bratty" body language; [[mesugaki]] and [[osugaki]].
* "Give it to me" gesture.
* [[Beckoning]]; "come here".
* "Hand shrug" / "I don't know" gesture; [[confused|confusion]].
* [[Stretching]] poses (e.g post #4390381).
* [[Shading eyes]].
dorsiflexion (wrist)