FOP causes muscles, tendons and ligaments to gradually turn into bone, forming an extra skeleton that slowly locks the body in place.

FOP causes muscles, tendons and ligaments to gradually turn into bone, forming an extra skeleton that slowly locks the body in place.

FOP causes muscles, tendons and ligaments to gradually turn into bone, forming an extra skeleton that slowly locks the body in place.

Fibrodysplasia ossificans progressiva (FOP) is a rare genetic disorder that occurs when muscle and supportive tissues of the body, such as the tendons, ligaments, and cartilage, are gradually replaced ...

It was a reverential experience—and a very emotional one.” A closeup of Orzel's skeleton shows the effects of FOP, such as the plates of bone that lock across joints.

Fibrodysplasia ossificans progressiva (FOP) is an extremely rare congenital condition that causes the body to grow a second skeleton, rendering patients immobile.

Symptoms: FOP causes the body's muscle and connective tissue to be gradually replaced with bone tissue. This essentially forms a second skeleton that impedes the person's movement.