0 able to move and bend the body's joints (= places where bones join such as in your fingers, at your knees, etc.) more than is usual:
Long, thin, hypermobile fingers are characteristic of Marfan Syndrome.
Lots of people have relatively hypermobile areas of their spine, which they find very easy to stretch.
Multiple musculoskeletal problems can occur in hypermobile individuals.
Children on the autistic spectrum are often hypermobile and he became a great yogi.
