flexibility
The quality of bending easily without breaking. མ་ཆག་པའི་སྒོ་ནས་གུག་གུག་བཟོ་ཐུབ་པའི་ཁྱད་ཆོས།
flexor reflex
biol. A sudden automatic withdrawal movement occurring in response to a painful stimulus and effected by the contraction of the flexor muscles of all the joints on the same side. […]