Demonstrate extreme flexibility, as an acrobat crossword clue NYT

About Acrobatic

Acrobatic (from Greek ἀκροβατέω akrobateō, "walking on tiptoe, supporting") is an extraordinary performance involving balance, dexterity, and motor coordination. This can be found in many performing arts, sporting events, and martial arts. Acrobatics is most often associated with activities that make extensive use of gymnastic elements, such as acro dance, circus, and gymnastics, but many other athletic activities - such as ballet and diving - may also employ acrobatics. Although acrobatics is most often associated with the performance of the human body, it may also apply to other types of performance, such as aerobatics.

What is the term used to describe extreme flexibility in an acrobat?

The term used to describe extreme flexibility in an acrobat is "Contort movement."