I can bend my thumb down so far that it touches my forearm. This is one of the stranger and more visible signs of hypermobility spectrum disorder (HSD) and Hypermobility Ehlers-Danlos Syndrome (EDS-HT). Other signs are hyperextension at the elbows and knees, being able to place your hands flat on the floor when bending forward at the waist while keeping your knees straight, and being able to bend your little finger back past 90 degrees. These are the signs used to diagnose hypermobility, which is simply a laxity or looseness in a person’s ligaments and connective tissue.
[Read more…] about What is hypermobility? Signs and symptoms of HSD and EDS-HT